• Publications
  • Influence

Claim Your Author Page
Ensure your research is discoverable on Semantic Scholar. Claiming your author page allows you to personalize the information displayed and manage publications (all current information on this profile has been aggregated automatically from publisher and metadata sources).
  • Micaela E. Christopher, Jacqueline Hulslander, +7 authors Richard K. Olson
  • Psychology, Medicine
  • Journal of experimental child psychology
  • 2013 (First Publication: 1 July 2013)
  • This first cross-country twin study of individual differences in reading growth from post-kindergarten to post-second grade analyzed data from 487 twin pairs from the United States, 267 twin pairsContinue Reading
  • Raven L. Astrom, Sally J. Wadsworth, Richard K. Olson, Erik G. Willcutt, John C. Defries
  • Psychology, Medicine
  • Behavior genetics
  • 2011 (First Publication: 1 September 2011)
  • Reading difficulties are both heritable and stable; however, little is known about the etiology of this stability. Results from a preliminary analysis of data from 56 twin pairs who participated inContinue Reading
  • Raven L. Astrom, Sally J. Wadsworth, Richard K. Olson, Erik G. Willcutt, John C. Defries
  • Psychology
  • 2012 (First Publication: 1 June 2012)
  • Abstract Reading performance data from 254 pairs of identical (MZ) and 420 pairs of fraternal (DZ) twins, 8.0 to 20.0 years of age, were subjected to multiple regression analyses. An extension of theContinue Reading