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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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ERIC Number: EJ077382
Record Type: CIJE
Publication Date: 1973
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Activity Level and Hyperactivity in Twins
Willerman, Lee
Child Development, 44, 2, 288-93, June 73
Results indicate a significant genetic component for activity level in twins rivaling that found for intelligence. (Author)
Descriptors: Heredity, Hyperactivity, Physical Activity Level, Questionnaires, Tables (Data), Twins
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A