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How to Perform in the new G2 SEC Examinations | Learner’s Guide Vol 0123 | Science: Path Dependence — The Same Input Can Produce a Different Result When the History Is Different

G2 Science K223, K224 and K225 usually asks learners to connect current conditions with current outcomes. Sometimes the current condition is not enough: the system’s history matters. Two samples can face the same input now but respond differently because they arrived there by different paths.

This one-hundred-and-twenty-third Learner’s Guide develops path-dependence control in an examination-friendly way. It extends Vol 0119 Response Lag and Vol 0115 Baseline Drift.

The path-dependence question

Ask whether the present output is determined only by the present input, or whether starting state, previous exposure, accumulated change or incomplete recovery also matters. If history matters, record it as a variable rather than treating two present conditions as identical.

1. pre-heated versus cold sample

For pre-heated versus cold sample, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

2. pre-cooled versus warm sample

For pre-cooled versus warm sample, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

3. previous light exposure

For previous light exposure, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

4. previous darkness

For previous darkness, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

5. previous exercise

For previous exercise, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

6. previous rest

For previous rest, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

7. previous dehydration

For previous dehydration, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

8. previous watering

For previous watering, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

9. previous nutrient exposure

For previous nutrient exposure, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

10. previous pH exposure

For previous pH exposure, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

11. previous temperature exposure

For previous temperature exposure, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

12. enzyme pre-treatment

For enzyme pre-treatment, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

13. previous concentration

For previous concentration, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

14. previous stirring

For previous stirring, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

15. previous magnetisation

For previous magnetisation, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

16. previous electrical loading

For previous electrical loading, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

17. battery discharge history

For battery discharge history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

18. component heating history

For component heating history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

19. material deformation history

For material deformation history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

20. surface wear history

For surface wear history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

21. previous friction

For previous friction, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

22. previous pressure

For previous pressure, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

23. previous compression

For previous compression, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

24. previous stretching

For previous stretching, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

25. previous state of matter

For previous state of matter, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

26. melting then cooling

For melting then cooling, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

27. heating then cooling

For heating then cooling, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

28. cooling then heating

For cooling then heating, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

29. dissolving then crystallising

For dissolving then crystallising, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

30. evaporation then condensation

For evaporation then condensation, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

31. organism acclimation

For organism acclimation, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

32. plant acclimation

For plant acclimation, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

33. stomatal history

For stomatal history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

34. seed storage history

For seed storage history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

35. population disturbance history

For population disturbance history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

36. ecosystem recovery history

For ecosystem recovery history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

37. predator-prey history

For predator-prey history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

38. resource depletion history

For resource depletion history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

39. treatment washout

For treatment washout, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

40. recovery after treatment

For recovery after treatment, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

41. feedback memory

For feedback memory, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

42. delayed recovery

For delayed recovery, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

43. residual effect

For residual effect, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

44. carryover effect

For carryover effect, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

45. order effect

For order effect, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

46. first treatment changes second

For first treatment changes second, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

47. second treatment after first

For second treatment after first, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

48. control measured after treatment

For control measured after treatment, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

49. same input different starting state

For same input different starting state, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

50. same temperature different history

For same temperature different history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

51. same light different history

For same light different history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

52. same concentration different history

For same concentration different history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

53. same force different material history

For same force different material history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

54. same voltage different battery history

For same voltage different battery history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

55. same stimulus different organism history

For same stimulus different organism history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

56. same endpoint different path

For same endpoint different path, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

57. different endpoint same current input

For different endpoint same current input, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

58. initial condition

For initial condition, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

59. starting concentration

For starting concentration, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

60. starting temperature

For starting temperature, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

61. starting population

For starting population, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

62. starting mass

For starting mass, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

63. starting charge/state

For starting charge/state, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

64. starting extension

For starting extension, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

65. starting velocity

For starting velocity, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

66. starting hydration

For starting hydration, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

67. starting nutrient status

For starting nutrient status, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

68. starting enzyme activity

For starting enzyme activity, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

69. starting baseline

For starting baseline, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

70. path-independent ideal model

For path-independent ideal model, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

71. path-dependent real response

For path-dependent real response, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

72. reversible change

For reversible change, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

73. irreversible change

For irreversible change, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

74. recovery incomplete

For recovery incomplete, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

75. recovery complete

For recovery complete, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

76. hysteresis concept without advanced formalism

For hysteresis concept without advanced formalism, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

77. threshold crossed previously

For threshold crossed previously, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

78. damage accumulated

For damage accumulated, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

79. resource accumulated

For resource accumulated, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

80. product accumulated

For product accumulated, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

81. adaptation accumulated

For adaptation accumulated, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

82. fatigue accumulated

For fatigue accumulated, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

83. learning/practice analogy in experimental design

For learning/practice analogy in experimental design, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

84. instrument drift history

For instrument drift history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

85. sensor warm-up history

For sensor warm-up history, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

86. reagent ageing

For reagent ageing, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

87. sample ageing

For sample ageing, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

88. time since intervention

For time since intervention, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

89. time since recovery

For time since recovery, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

90. washout duration

For washout duration, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

91. randomise order

For randomise order, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

92. counterbalance order

For counterbalance order, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

93. fresh sample

For fresh sample, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

94. reset apparatus

For reset apparatus, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

95. return to baseline

For return to baseline, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

96. verify baseline restored

For verify baseline restored, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

97. path dependence versus interaction

For path dependence versus interaction, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

98. path dependence versus lag

For path dependence versus lag, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

99. path dependence versus drift

For path dependence versus drift, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

100. path dependence versus measurement error

For path dependence versus measurement error, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

101. path dependence final rule

For path dependence final rule, compare two systems with the same current input but different histories. Predict whether the histories could leave different internal states even when the visible current condition matches.

For practice, draw two paths ending at the same present input. Label any accumulated product, adaptation, damage, temperature, charge, resource or biological state that could differ at the endpoint. Then identify the measurement that would reveal whether the system truly reset.

Do not invoke history without evidence. Path dependence is a hypothesis when the present input alone fails to explain reproducible differences. Test it by resetting, using fresh samples, changing order or allowing adequate recovery.

Path dependence is different from lag and drift

Lag means the response takes time after a change. Drift means the reference condition moves with time. Path dependence means the route taken to the current state changes the response. These mechanisms can coexist, but they imply different experimental repairs.

Order effects are a practical clue

If A-then-B gives a different result from B-then-A, treatment order may matter. Randomising or counterbalancing order, using fresh samples or verifying return to baseline can test whether the first condition changes the second.

Links

Use the Science Hub, Vol 0107 Interaction Effects, Vol 0103 Model-Validity Boundaries, the Examination Craft hub and the PSLE Learner’s Guide.

Official-source discipline

For the current 2027 SEC G2 school-candidate framework, use the official SEAB G2 syllabus directory and linked K223–K225 Science syllabuses. Path-dependence control is an eduKateSengkang reasoning framework, not an additional SEAB syllabus topic.

Final rule

When two systems face the same input but respond differently, ask whether they truly started from the same state. Present conditions matter; sometimes the route into those conditions matters too.