Main effect of reinforcement for mean response latency indicated that subjects took longer to respond under disapproval than under approval or silence. (Authors)

Black children of both SES levels behave like lower-SES white children showing a relatively high level of self gratification. (Authors)

In this study black children were more likely to match the responses of white models than of black ones. (Authors/MB)

Findings indicate that infant boys may be more easily conditioned by visual reinforcement than are girls. (Author/MB)

Study was aimed at determining whether positive adjectives and negative adjectives possess the oppositeness" (mutual exclusiveness) necessary for their conceptualization as defining the extremes of a single dimension of meaning. (Authors)

This study compared the relative efficacy of four short-term intervention techniques for modifying negative racial attitudes in White second- and fifth-grade school children. (CM)

Implications of the findings for the programming of institutions for the retarded are discussed. (Authors)

Two experiments examined how different frustration contexts affect the instrumental and emotional responses of 4- to 5-month-olds. Both experiments showed that arm responses increased when the contingent stimulus was lost or reduced but decreased when control of the stimulus was lost under noncontingency. Facial expressions of anger, but not…

The relative weakness of sex-role labels as reinforcers, and the disappearance of differential effectiveness of male and female labels at the fourth-grade level would appear to be congruent with Kohlberg's (1966) cognitively based theory of sex-role acquisition. (Authors)

Increase in probe accuracy following concurrent training was consistently greater than following serial training. (Authors)