ERIC Number: EJ604902
Record Type: CIJE
Publication Date: 2000
Differential Genetic Etiology of Reading Disability as a Function of IQ.
Wadsworth, Sally J.; Olson, Richard K.; Pennington, Bruce F.; DeFries, John C.
Journal of Learning Disabilities, v33 n2 p192-99 Mar-Apr 2000
Composite reading performance data from 223 pairs of identical twins and 169 same-gender fraternal twins in which at least one member was classified with reading disability were subjected to multiple regression analysis. Results indicated that the genetic etiology of reading disability differs as a linear function of IQ. (Contains extensive references.) (Author/CR)
Descriptors: Biological Influences, Children, Disability Identification, Environmental Influences, Etiology, Genetics, Intelligence Differences, Intelligence Quotient, Multiple Regression Analysis, Predictor Variables, Reading Difficulties, Student Characteristics, Symptoms (Individual Disorders), Twins
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Authoring Institution: N/A