Block 4: Synthetic Validation & S3-S4 Lessons

Block 4: Synthetic Validation & S3-S4 Lessons

3 lessons from S3 (bias detection) and S4 (calendar optimization validation) implementation.

# Lesson Core Teaching
028 Chi-Squared for Bias Detection Distribution tests (chi-squared, binomial) detect planted biases at 100-voter scale without heavy machinery
029 Ground-Truth Recovery as Validation Self-reported objective scores are circular; measure recovery of known-good items for external validation
030 Reliability Delta as Noise Measurement Alpha(all) vs Alpha(clean) isolates noise from genuine preference diversity