ERIC Number: EJ905047
Record Type: Journal
Publication Date: 2010-Dec
Abstractor: As Provided
Reference Count: 64
Predicting Individual Differences in Reading Comprehension: A Twin Study
Harlaar, Nicole; Cutting, Laurie; Deater-Deckard, Kirby; DeThorne, Laura S.; Justice, Laura M.; Schatschneider, Chris; Thompson, Lee A.; Petrill, Stephen A.
Annals of Dyslexia, v60 n2 p265-288 Dec 2010
We examined the Simple View of reading from a behavioral genetic perspective. Two aspects of word decoding (phonological decoding and word recognition), two aspects of oral language skill (listening comprehension and vocabulary), and reading comprehension were assessed in a twin sample at age 9. Using latent factor models, we found that overlap among phonological decoding, word recognition, listening comprehension, vocabulary, and reading comprehension was primarily due to genetic influences. Shared environmental influences accounted for associations among word recognition, listening comprehension, vocabulary, and reading comprehension. Independent of phonological decoding and word recognition, there was a separate genetic link between listening comprehension, vocabulary, and reading comprehension and a specific shared environmental link between vocabulary and reading comprehension. There were no residual genetic or environmental influences on reading comprehension. The findings provide evidence for a genetic basis to the "Simple View" of reading.
Descriptors: Reading Comprehension, Listening Comprehension, Oral Language, Genetics, Word Recognition, Environmental Influences, Language Skills, Reading Skills, Twins, Decoding (Reading), Vocabulary, Children, Phonology
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
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