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Kellems, Ryan O.; Cacciatore, Giulia; Hansen, Blake D.; Sabey, Christian V.; Bussey, Heidi C.; Morris, Jared R. – Journal of Special Education Technology, 2021
The purpose of this study was to determine the effectiveness of a video-based instruction packet for teaching math-based vocational skills delivered through augmented reality (AR) to three adults with intellectual disabilities. The dependent variable was the percentage of steps performed correctly to solve each selected type of math problem. The…
Descriptors: Instructional Effectiveness, Mathematics Instruction, Mathematics Skills, Daily Living Skills
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Garcia-Barrera, Mauricio A.; Kamphaus, Randy W.; Bandalos, Deborah – Psychological Assessment, 2011
The problem of valid measurement of psychological constructs remains an impediment to scientific progress, and the measurement of executive functions is not an exception. This study examined the statistical and theoretical derivation of a behavioral screener for the estimation of executive functions in children from the well-established Behavior…
Descriptors: Content Validity, Rating Scales, Factor Analysis, Psychometrics