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Marijuana use and its cognitive effects / Alternate title from signature page: Marijuana use and the cognitive effectsRyan, Heather E. January 2006 (has links)
The present study compared three commonly used cognitive screeners: the Test of Cognitive Skills – Second Edition (TCS-2), the Kaufman Brief Intelligence Test (K-BIT), the Wide Range Achievement Test – Third editions (WRAT3) and the impact of marijuana use on these screeners in a population of juvenile delinquents. One hundred records (67 males and 33 females) were selected from archival data at the Allen County Juvenile Center. Results from this study found, that as predicted, individuals who tested positive for marijuana performed significantly worse on all subtests of the TCS-2, on the Verbal and Composite Score of the K-BIT, and the Spelling subtest of the WRAT3 than individuals who tested negative for marijuana use. The results of this study support the notion that marijuana can impair cognitive abilities in a group of adolescents. / Department of Psychological Science
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Validation of neuropsychological subtypes of learning disabilities. / Neuropsychological subtypesHiller, Todd R. January 2009 (has links)
Access to abstract permanently restricted to Ball State community only / Access to thesis permanently restricted to Ball State community only / Department of Educational Psychology
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An Investigation of School-Based Specific Learning Disability IdentificationBartos, Bonnie Heather 04 March 2016 (has links)
Researchers have described the special education identification process for students with specific learning disabilities (SLD) as "muddled and confused" (Bocian, Beebe, MacMillan, & Gresham, 1999) and "haphazard" and "capricious" (Shinn, 2007, p. 603). Bocian, Beebe, MacMillan, and Gresham (1999) proposed the theory of competing paradigms as a way to explain why researchers and school-based eligibility teams identify different groups of students as SLD. This qualitative study had two research questions: a) To what extent did interviews of secondary resource teachers reveal the concepts of relativity, acceptability, and profitability as they reflect on the SLD process? and b) What other themes regarding SLD eligibility determination emerged from interviews with secondary resource teachers? Utilizing the modified constant comparative method (Lincoln & Guba, 1985), the author revealed that there was moderate support for the paradigms of relativity and acceptability, but less support for the paradigm of profitability. In addition, the author identified other themes, such as difficulties with evaluating English language learners and the benefit of case management, that can be used to expand Bocian’s theory. The author also argued that the paradigms overlap with one another during the special education identification process, rather than proceeding in a sequential order. Finally, the author discussed the implications of her findings in terms of improving school-based and policy practices.
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