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Validity and Reliability of Findings

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Problem

Scenario

You have completed a research study that includes a predictive model and supporting analysis. Your stakeholders want to know whether the findings are trustworthy, repeatable, and suitable for decision-making.

Question

How do you ensure the validity and reliability of your research findings?

What This Tests

  • How you validate findings beyond a single metric
  • How you use cross-validation to check stability
  • How you interpret calibration for probability outputs
  • How you use confusion-matrix thinking to connect results to decisions