Data from infants unable to complete experimental sessions were compared to those for whom there were complete data. Results suggest that the elimination of large numbers of infants may have a potentially biasing effect on reported data. (Authors)

Based on 25 white middle-class infants from 9 to 12 months of age, the earliest manifestation of obedience to appear was a simple disposition to comply with maternal commands and prohibitions, independent of efforts to train or discipline the baby. (Authors/RY)

It was tentatively concluded that identification may contribute to the recognition that moral principles and not external sanctions form the basis of right and wrong, but not to the application of these principles to one's own behavior in the absence of authority. (Author)

Results of this study were interpreted in terms of the social control function served by the public schools. (Author/RY)

When high anxious mothers administered tasks to their children, they facilitated the task performance of their daughters but were strongly detrimental to that of their sons. Low anxious mothers chose more difficult tasks for sons than for daughters, and they facilitated the task performance of sons more than that of daughters. (Authors/RY)

Results suggest that children acquire speech registers concurrently with language and that the progression of acquisition varies more for registers than for grammatical forms. (Author)

A significant relationship was found between motor abilities and measures of academic aptitude and academic achievement for first-grade boys. No significant relationship was obtained between motor abilities and the 2 criterion measures of academic aptitude and academic achievement for the group of third-grade boys. (Author)

Ability to distinguish intention from accident and understanding of unconscious intention were examined in preschool, kindergarten, and third-grade-age children. (Author)

Results indicated that availability of categories rather than frequency of words seemed most crucial in determining developmental changes in clustering efficiency. (Authors)

This study was designed to assess the influence of an elaborative versus nonelaborative teaching style on children's nursery school behavior. (Authors)

An experiment was conducted comparing the effectiveness for producing response inhibition of high- and low-intensity physical punishment and elaborated verbal punishment when punishment was delivered either early or late in a response sequence. (Author)

Results of 5 experiments supported the hypothesis that many nonlearners in a multipair visual discrimination learning task were following position rather than object strategies and that it was possible to predict individual subjects' strategies from previous performances. (Authors)

Results indicate that there is no simple relationship between type of observer present and children's aggressive responding following exposure to an aggressive model. (Authors)