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Peterson, Robin L.; Boada, Richard; McGrath, Lauren M.; Willcutt, Erik G.; Olson, Richard K.; Pennington, Bruce F. – Journal of Learning Disabilities, 2017
The current study tested a multiple-cognitive predictor model of word reading, math ability, and attention in a community-based sample of twins ages 8 to 16 years (N = 636). The objective was to identify cognitive predictors unique to each skill domain as well as cognitive predictors shared among skills that could help explain their overlap and…
Descriptors: Twins, Children, Adolescents, Predictor Variables
Wu, Sarah S.; Willcutt, Erik G.; Escovar, Emily; Menon, Vinod – Journal of Learning Disabilities, 2014
Although behavioral difficulties are well documented in reading disabilities, little is known about the relationship between math ability and internalizing and externalizing behaviors. Here, we use standardized measures to investigate the relation among early math ability, math anxiety, and internalizing and externalizing behaviors in a group of…
Descriptors: Mathematics Achievement, Anxiety, Behavior Problems, Correlation
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McCue, P. Michael; And Others – Journal of Learning Disabilities, 1986
Normative data are provided for intellectual, academic achievement, and neuropsychological tests based on a sample of 100 learning disabled adults. It was concluded that the cognitive profile found in learning disabled adults is not dissimilar from what is typically found in learning disabled children. (Author/CL)
Descriptors: Achievement Tests, Adults, Learning Disabilities, Psychological Testing
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Macy, Daniel J.; And Others – Journal of Learning Disabilities, 1979
Learning quotients (LQ-ratio of actual to expected achievement) were computed for second, fourth, sixth, and eighth graders. Results indicated that the LQ was not statistically stable across tests, grade level, gender, or ethnicity. (CL)
Descriptors: Academic Achievement, Achievement Tests, Elementary Secondary Education, Exceptional Child Research