Currently, behavioral development is thought to result from the interplay among genetic inheritance, congenital characteristics, cultural contexts, and parental practices as they directly impact the individual. Evolutionary ecology points to another contributor, epigenetic inheritance, the transmission to offspring of parental phenotypic responses…

A multiple regression analysis studied additive effects of maternal age and prenatal and perinatal factors in relation to neonatal behavior. Analysis indicated that the combination of biomedical variables significantly predicted neonatal behavior, in both cultures (Florida and Puerto Rico), suggesting that age effects increased in the presence of…

Relations of contraceptive behavior, problem behaviors, and health-protective behaviors were examined in an ethnically and socioeconomically diverse sample of sexually active adolescents. Findings demonstrate substantial organization among adolescent health and problem behaviors and suggest that contraceptive behavior should be conceptualized…