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Sterling, Lindsey; Renno, Patricia; Storch, Eric A.; Ehrenreich-May, Jill; Lewin, Adam B.; Arnold, Elysse; Lin, Enjey; Wood, Jeffrey – Autism: The International Journal of Research and Practice, 2015
High rates of anxiety and depression are reported among youth with autism spectrum disorders. These conditions are generally assessed using measures validated for typically developing youth. Few studies have investigated their validity for autism spectrum disorders, which is crucial for accurate assessment and the provision of proper treatment.…
Descriptors: Pervasive Developmental Disorders, Autism, Test Validity, Children
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Hall, C. R.; Munroe-Chandler, K. J.; Fishburne, G. J.; Hall, N. D. – Measurement in Physical Education and Exercise Science, 2009
Athletes of all ages report using imagery extensively to enhance their sport performance. The Sport Imagery Questionnaire (Hall, Mack, Paivio, & Hausenblas, 1998) was developed to assess cognitive and motivational imagery used by adult athletes. No such instrument currently exists to measure the use of imagery by young athletes. The aim of the…
Descriptors: Athletes, Questionnaires, Imagery, Use Studies
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te Nijenhuis, Jan; Hartmann, Peter – Intelligence, 2006
Spearman's "Law of Diminishing Returns" states that the g saturation of a test is greater for individuals with lower, rather than higher, test scores, and that it decreases with age. A common methodological problem in testing Spearman's "Law of Diminishing Returns" with respect to ability differentiation is how to create the…
Descriptors: Foreign Countries, Immigrants, Cognitive Structures, Ability Grouping