How parents influence school grades: Hints from a sample of adoptive and biological families.

Wendy Johnson, Matt McGue, William G. Iacono

Research output: Contribution to journalArticlepeer-review

Abstract

Using the biological and adoptive families in the Minnesota-based Sibling Interaction and Behavior Study, we investigated the associations among genetic and environmental influences on IQ, parenting, parental expectations for offspring educational attainment, engagement in school, and school grades. All variables showed substantial genetic influence, and very modest shared environmental influence. No gender differences were evident. There were significant genetic influences common to IQ and parental expectations of educational attainment, parenting and engagement in school, school grades and engagement in school, parental expectations for offspring educational attainment and school grades, and IQ and school grades. A possible interpretation of the common genetic influences involving parenting is that parents use their own experience with school in shaping the ways in which they parent their offspring. (c) 2007 Elsevier Inc. All rights reserved.

Original languageEnglish
Pages (from-to)201-219
Number of pages19
JournalLearning and Individual Differences
Volume17
Issue number3
DOIs
Publication statusPublished - 2007

Keywords

  • genetic and environmental influences
  • school grades
  • adoption study
  • parenting
  • parent expectations
  • school engagement
  • gender differences
  • EDUCATIONAL EXPECTATIONS
  • RANGE RESTRICTION
  • COGNITIVE-ABILITY
  • GENETIC INFLUENCE
  • ACHIEVEMENT
  • BEHAVIOR
  • INTELLIGENCE
  • ADJUSTMENT
  • MOTIVATION
  • MODELS

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