Methodology

Methods before headlines.

Approved research will publish its population, recruitment, measures, missing data, denominators, exclusions, limitations, data-freeze date, snapshot ID, and correction history.

Analysis rules

Use approved de-identified records only
Prefer medians and interquartile ranges for skewed values
Report denominators and missing values
Separate surveys, Help Desk cases, and campus scans by source
Suppress small cells using a configurable threshold, default 10