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| Journal of Learning… | 2 |
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Peer reviewedLefly, Dianne L.; Pennington, Bruce F. – Journal of Learning Disabilities, 2000
The reliability and validity of a revised version of the Reading History Questionnaire was examined using 84 adults from an ongoing study of familial dyslexia and the parents of 107 children from a longitudinal study of reading development. The results indicated that the questionnaire (appended to the article) is both reliable and valid. (Contains…
Descriptors: Adults, Children, Diagnostic Tests, Dyslexia
Peer reviewedPennington, Bruce F.; And Others – Journal of Learning Disabilities, 1992
This study of 640 twins with reading disability and 436 controls (mean age 12) examined external validity of the distinction between specific reading retardation and reading backwardness, in 3 domains: genetic etiology, sex ratio and clinical correlates, and neuropsychological profiles. There was no evidence of differential genetic etiology of the…
Descriptors: Age Differences, Definitions, Educational Diagnosis, Elementary Secondary Education
