TEACHAID Interactive Item Response Theory Analysis
1PL, 2PL, and 3PL validation reporting with ALL-default geographic scope selection.
Assessment: Year-Term → Grade Category → Subject → Scored Activity. Geography: Region → Division → School Name → Section Name. Every geographic selector begins at ALL.
Assessment and Model Selection
Cascading Geographic Scope
Selecting a parent resets every lower level to ALL. ALL means the complete person-response population within the selected parent.
Model Notes
Common calibrated scale
Region, Division, School, and Section summaries use the selected model's common item calibration. The geographic cascade filters person statistics and does not average child summaries.
Region, Division, School, and Section summaries use the selected model's common item calibration. The geographic cascade filters person statistics and does not average child summaries.
Operational policy
Model status and sample-size gates remain visible. Validation or below-policy models must not be presented as approved operational calibration.
Model status and sample-size gates remain visible. Validation or below-policy models must not be presented as approved operational calibration.