To identify any differences in emotional/personality development of a group of infants reared at home and a matched groups of infants enrolled in a day care center, data were obtained on behaviors of two groups of infants. The sample consisted of 15 demographically matched pairs of infants, ages 3-24 months at entrance. Data were collected through…

Previous studies have shown that American mothers, in contrast to Japanese, do more lively chatting to their babies, and that as a result, the American babies have a generally higher level of vocalization and, particularly, they respond with greater amounts of happy vocalization and gross motor activity than do Japanese babies. Thus, it appears…

The concept of reproductive strategy is applied to the study of childhood experience and interpersonal development to develop an evolutionary theory of socialization. The relationship between this theory and prevailing theories of socialization is considered, and research consistent with the evolutionary theory is reviewed. Discusses directions…