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Direct linkGuhn, Martin; Gadermann, Anne; Zumbo, Bruno D. – Early Education and Development, 2007
The present study investigates whether the Early Development Instrument (Offord & Janus, 1999) measures school readiness similarly across different groups of children. We employ ordinal logistic regression to investigate differential item functioning, a method of examining measurement bias. For 40,000 children, our analysis compares groups…
Descriptors: School Readiness, Kindergarten, Child Development, Program Validation
