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Direct linkDaniel Jurich; Chunyan Liu – Applied Measurement in Education, 2023
Screening items for parameter drift helps protect against serious validity threats and ensure score comparability when equating forms. Although many high-stakes credentialing examinations operate with small sample sizes, few studies have investigated methods to detect drift in small sample equating. This study demonstrates that several newly…
Descriptors: High Stakes Tests, Sample Size, Item Response Theory, Equated Scores
