Reviews parent-child interaction studies, the major source of information about the socialization process of the child. Deals fully with observation studies--naturalistic observation and experimentally arranged interaction in the laboratory--but also draws on interview and questionnaire methods for comparison. (WY)

Compared the perceptual learning of reflective and impulsive kindergarten children. (WY)

This study investigated the relative conformity of American and Brazilian students across ages from 9 to 21 years old. (Authors)

The present study explores the specific environmental influences in the intellectual development of 24 adoptive infants living in middle class families. (Author)

An investigation to account for age changes in the accuracy with which children match auditory to visual series. (Author)

Paper presented at the meeting of the American Psychological Association, Miami, Florida, September, 1970. (RY)

This paper reports an investigation into the ability of a group of primary grade children to produce plural forms of selected types of real and nonsense words. (Authors)

This study demonstrates the general developmental progression of the increased internalization of the conditions of emotional arousal. Females show a tendency to be more dependent than males on external arousal cues. (Authors)

Distinctions between psychological versus task helping and attempted versus achieved help were applied to the helping behaviors of normal and retarded children of 2 age groups observed in natural settings. (Authors)

Children who observed a very generous adult model sharing, later shared more than those who observed a very stingy model. The effects of vicarious reinforcement on the amount shared, delivered by either the experimenter or the model alone, were also demonstrated. (Authors)

The relation between maternal presence and infant's vocalization depended upon the infant's state: when the infant was in the active awake state, he vocalized less in the presence of the mother than when alone, thus indicating that the majority of early vocalizations are associated with a non-social situation. (Authors/RY)