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Download full textJames, Syretta R.; Liu, Shihching Jessica; Maina, Nyambura; Wade, Julie; Wang, Helen; Wilson, Heather; Wolanin, Natalie – Montgomery County Public Schools, 2021
The impact of the COVID-19 pandemic continues to overwhelm the functioning and outcomes of educational systems throughout the nation. The public education system is under particular scrutiny given that students, families, and educators are under considerable stress to maintain academic progress. Since the beginning of the crisis, school-systems…
Descriptors: Achievement Tests, COVID-19, Pandemics, Public Schools
Peer reviewedLi, Feifei – ETS Research Report Series, 2017
An information-correction method for testlet-based tests is introduced. This method takes advantage of both generalizability theory (GT) and item response theory (IRT). The measurement error for the examinee proficiency parameter is often underestimated when a unidimensional conditional-independence IRT model is specified for a testlet dataset. By…
Descriptors: Item Response Theory, Generalizability Theory, Tests, Error of Measurement
