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Jewsbury, Paul A.; Bowden, Stephen C.; Duff, Kevin – Journal of Psychoeducational Assessment, 2017
The Cattell-Horn-Carroll (CHC) model is a comprehensive model of the major dimensions of individual differences that underlie performance on cognitive tests. Studies evaluating the generality of the CHC model across test batteries, age, gender, and culture were reviewed and found to be overwhelmingly supportive. However, less research is available…
Descriptors: Intelligence Tests, Individual Differences, Executive Function, Neuropsychology
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Eccles, Jacquelynne S.; Wang, Ming-Te – International Journal of Behavioral Development, 2016
Drawing on Eccles' expectancy-value model of achievement-related choices, we examined the personal aptitudes and motivational beliefs at 12th grade that move individuals toward or away from science, technology, engineering, and mathematics (STEM) occupations at age 29. In the first set of analyses, occupational and lifestyle values, math ability…
Descriptors: Student Attitudes, Grade 12, Gender Differences, High School Students
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Semmes, Robert; Davison, Mark L.; Close, Catherine – Applied Psychological Measurement, 2011
If numerical reasoning items are administered under time limits, will two dimensions be required to account for the responses, a numerical ability dimension and a speed dimension? A total of 182 college students answered 74 numerical reasoning items. Every item was taken with and without time limits by half the students. Three psychometric models…
Descriptors: Individual Differences, Logical Thinking, Timed Tests, College Students
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Shea, Daniel L.; Lubinski, David; Benbow, Camilla P. – Journal of Educational Psychology, 2001
At age 13, students scoring at the top 0.5% in general intelligence completed the Scholastic Assessment Test (SAT), Mathematics and Verbal subtests, and the Differential Aptitude Test (DAT) Space Relations (SR) and Mechanical Reasoning (MR) subtests. It appears that spatial ability assessments can complement contemporary talent search procedures.…
Descriptors: Academic Ability, Adolescents, Gifted, Individual Differences