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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)
Peer reviewedTobin, Kenneth G.; Capie, William – Journal of Research in Science Teaching, 1982
Describes development and validation of a 24-item test which assesses student performance on a set of 12 objectives related to planning and constructing an investigation. In addition to sound psychometric properties, the test is distinctive because it includes a set of interrelated cumulative objectives which reflect autonomous problem solving.…
Descriptors: College Science, Elementary School Science, Elementary Secondary Education, Group Testing
