Author: eduKate Asia
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PSLE Science Reality Lab Vol No.524 | “This Scatter Plot Shows 80 Visible Dots” — Were There Only 80 Measurements?
A Primary 5/6 evidence guide to scatter-plot overplotting: why visible dots can undercount measurements when records overlap, and how transparency, jitter and raw counts change what the graph shows.
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Top 10 Debugging Skills Worth Learning
Learn 10 durable debugging skills: reproduce failures, compare expected and actual behaviour, locate the earliest divergence, reduce failing cases, test competing causes, trace intermediate state, apply minimal fixes and run regression checks.
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PSLE Science Reality Lab Vol No.523 | “Sample Receipt Temperature = 4°C” — Was the Sample Kept at 4°C for the Whole Journey?
A Primary 5/6 evidence guide to sample receipt temperature: why a 4°C arrival reading is not automatically a continuous cold-chain history, and what evidence would strengthen the claim.
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Top 10 Scenario Reasoning Skills Worth Learning
Learn 10 durable scenario reasoning skills: distinguish scenarios from forecasts, identify critical uncertainties, build coherent alternative futures, trace consequences, include stakeholders, stress-test present decisions and update scenarios as evidence changes.
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Top 10 Sensitivity Analysis Skills Worth Learning
Learn 10 durable sensitivity analysis skills: define outputs, separate inputs and assumptions, vary plausible ranges, identify nonlinear effects and interactions, find decision breakpoints and focus attention on what actually controls the result.
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Top 10 Robustness Skills Worth Learning
Learn 10 durable robustness skills: define acceptable performance, identify plausible disturbances, stress-test boundaries, inspect worst-case vulnerability, build fallbacks, test across contexts and design for graceful degradation.
