There is limited recognition of self-determination concept in the Middle Eastern culture. Subsequently, there are no adapted measures of self-determination for Arabic adolescents with intellectual disability, learning disability, and multiple disabilities (intellectual disability and physical impairment). The purpose of this study was to examine…

The purpose of this article is to describe preliminary psychometric characteristics of a student self-report measure of self-determination, the "Self-Determination Inventory: Student Report" version (SDI-SR), designed for youth with and without disabilities. We administered the draft assessment to 311 youth and examined item functioning…

The repetitive behaviour questionnaire (RBQ) (Turner, 1995) is one of the three most commonly used interview/questionnaire measures of repetitive behaviour (Honey et al., in preparation). Despite this there is a scarcity of information concerning its structure, reliability and validity. The psychometric properties of the RBQ were examined when…

This study evaluated the Clarke modification of the Questionnaire on Resources and Stress with parents (n=367) of autistic, mentally retarded, learning-disabled, and asymptomatic children. Good internal consistency, split-half reliability, and coefficient of stability were obtained as well as acceptable construct and concurrent validities.…

Twenty years of research on the Maze, a classroom-based reading measure for students with learning disabilities, is summarized. Overall, the research is supportive of the Maze. However, the most common version requires revision to obtain minimum construct validity, and additional research is needed on reliability and usefulness of alternate forms.…