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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Peer reviewed Peer reviewed
ERIC Number: EJ402903
Record Type: CIJE
Publication Date: 1989
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Masculinity and Femininity in Twin Children: Genetic and Environmental Factors.
Mitchell, Jane E.; And Others
Child Development, v60 n6 p1475-85 Dec 1989
Explored the roles of genes and environment in masculinity and femininity during pre- and early adolescence in 70 twins of 8-14 years. Results revealed significant genetic influences in all measures. Environmental influences were specific to each individual and not shared by members of the same twin pair. (RJC)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A