ERIC Number: EJ550061
Record Type: CIJE
Publication Date: 1997
Reference Count: 0
Same-Age Unrelated Siblings: A Unique Test of Within-Family Environmental Influences on IQ Similarity.
Segal, Nancy L.
Journal of Educational Psychology, v89 n2 p381-90 Jun 1997
Pairs of genetically unrelated children reared as same-age siblings offer a design for investigating genetic and environmental influences on behavior. Results with 21 pairs support an explanatory model of intelligence that includes genetic factors. Shared environment appeared to have a very small effect on intellectual development. (SLD)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Authoring Institution: N/A
Note: Research supported in part by a Summer Stipend for Research, Scholarship, and Creative Activity from California State University, Fullerton.