Richard K. Olson|Janice M. Keenan|Brian Byrne|Stefan Samuelsson|William L. Coventry|Robin P. Corley|Sally J. Wadsworth|Erik G. Willcutt|John C. DeFries|Bruce F. Pennington|Jacqueline Hulslander
Genetic and Environmental Influences on Vocabulary and Reading Development
University of Denver|University of New England|Linköping University|University of New England|Institute for Behavioral Medicine|Institute for Behavioral Medicine|Institute for Behavioral Medicine|Institute for Behavioral Medicine|University of Denver|Institute for Behavioral Medicine
genetic environmental relations vocabulary reading skills explored longitudinally preschool grades 2 4 preschool strong sharedenvironment weak genetic influences vocabulary print knowledge substantial differences source separation etiology vocabulary reading continued word recognition decoding grade 4 genetic environmental correlations vocabulary reading comprehension approached unity grade 4 vocabulary word recognition accounted genetic shared environment influences reading comprehension