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Direct linkLi, Ying; Jiao, Hong; Lissitz, Robert W. – Journal of Applied Testing Technology, 2012
This study investigated the application of multidimensional item response theory (IRT) models to validate test structure and dimensionality. Multiple content areas or domains within a single subject often exist in large-scale achievement tests. Such areas or domains may cause multidimensionality or local item dependence, which both violate the…
Descriptors: Achievement Tests, Science Tests, Item Response Theory, Measures (Individuals)
Keating, Daniel P. – Early Education and Development, 2007
This article is a commentary for the special issue on the Early Development Instrument (EDI), a community tool to assess children's school readiness and developmental outcomes at a group level. The EDI is administered by kindergarten teachers, who assess their kindergarten students on 5 developmental domains: physical health and well-being, social…
Descriptors: School Readiness, Formative Evaluation, Kindergarten, Cognitive Development
