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Chapter 1 · Evidence starts with design

Study Design & Bias Lab

Diagnose how a business study was built, identify the most consequential threat, and choose a repair before interpreting its numbers.

1 Predict
2 Explore
3 Explain

Reproducible start

Scenario generator

A seed recreates the same case for a partner or instructor. Change it only when you are ready for another case.

Study record

Target
Observed
Design
1. What is the most serious threat?
2. Which repair best protects the decision?

Make a prediction first

Select one threat and one repair, then check your reasoning.

Biblical/Ethical Stewardship and Integrity

Truthful analysis begins before calculation. Stewardship means seeking evidence that serves decision-makers and neighbors instead of evidence engineered to confirm a preferred story.

Canvas focus question: What would a truthful one-sentence limitation statement say about this study?