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Luinge, Margreet R.; Post, Wendy J.; Wit, Hero P.; Goorhuis-Brouwer, Sieneke M. – Journal of Speech, Language, and Hearing Research, 2006
Purpose: To scale language milestones in a group of 527 children to provide an instrument for screening language development. Procedure: The questionnaire regarding these milestones was completed by parental report. It was evaluated whether the scaled milestones satisfied the assumptions of the Mokken item response model. Results: The scalability…
Descriptors: Test Construction, Test Validity, Test Reliability, Measures (Individuals)