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Public-data calibration

Ordering Fractions

ASSISTments skill-builder dataset, 2012–13 public release · CML Rasch (log-domain ESF) · WLE person measures

71items calibrated
7,624responses
1.32separation
+0.88targeting gap, logits

Hygiene Ledger

Data-cleaning steps, exclusion criteria, and response-level filters are included in the report. Full report available on request.

Misfit Dispositions

Item-level misfit diagnostics and disposition decisions are included in the report. Full report available on request.

Download report (.md)Item parameters (.csv)

This calibration was performed on public response data. Certificate c8d6dfeb2121208c...96117eb is included in the report.