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Wakeman, Holly N.; Wadsworth, Sally J.; Olson, Richard K.; DeFries, John C.; Pennington, Bruce F.; Willcutt, Erik G. – Journal of Learning Disabilities, 2023
This study investigated the relationship between mathematics difficulties and psychopathology in a large community sample (N = 881) of youth (8-18 years of age) in the United States. The primary aims of the study were to (a) test the associations between mathematics difficulties and specific components of internalizing, externalizing, attention,…
Descriptors: Children, Adolescents, Correlation, Learning Problems
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MacArthur, Charles A.; Konold, Timothy R.; Glutting, Joseph J.; Alamprese, Judith A. – Journal of Learning Disabilities, 2010
The purposes of this study were to investigate the reliability and construct validity of measures of reading component skills with a sample of adult basic education (ABE) learners, including both native and nonnative English speakers, and to describe the performance of those learners on the measures. Investigation of measures of reading components…
Descriptors: Learning Disabilities, Construct Validity, Validity, Adult Basic Education