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| Biological Influences | 2 |
| Predictor Variables | 2 |
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| Adolescent Behavior | 1 |
| Adolescent Development | 1 |
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| Barber, Bonnie L. | 1 |
| Casey, M. Beth | 1 |
| Eccles, Jacquelynne S. | 1 |
| Meschke, Laurie L. | 1 |
| Nuttall, Ronald L. | 1 |
| Pezaris, Elizabeth | 1 |
| Zweig, Janine M. | 1 |
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Peer reviewedMeschke, Laurie L.; Zweig, Janine M.; Barber, Bonnie L.; Eccles, Jacquelynne S. – Journal of Research on Adolescence, 2000
Used a bio-psychosocial approach to examine predictors of onset of sexual intercourse among adolescents interviewed at ages 13-14, 16-17, and 22-23 years. Found that for girls, always-married parents and less dating alone predicted later first intercourse. Earlier timing of first intercourse for boys was related to associating with peers with…
Descriptors: Adolescent Behavior, Adolescent Development, Adolescents, Biological Influences
Peer reviewedCasey, M. Beth; Nuttall, Ronald L.; Pezaris, Elizabeth – Developmental Psychology, 1999
Examined ability of individuals biologically predisposed to poor spatial skills to capitalize on opportunities to develop these skills. Found that for girls with brothers, those from all right-handed families had lower mental-rotation scores than did others. Among children participating in mental-rotation-type activities with their brothers,…
Descriptors: Biological Influences, Early Adolescents, Family Influence, Handedness
