Reports two studies aimed at replicating and extending Gerwirtz's deprivation-satiation findings concerning social reinforcer efficacy. Results showed that precriterion satiation-deprivation did not influence responsiveness to reinforcement on the criterion task but did influence preference. Setting condition was found to influence social…

Examined the extent to which children draw upon reality and fantasy, either explicitly or implicitly, in their spontaneous classifications, and when instructed to sort on that basis. (Author/JMB)

Children ranging in age from 4 to 6 years and adults were asked to judge each of a series of videotaped actions as being intentional or unintentional. The series included voluntary acts with both intended and unintended effects, involuntary acts and "object-like" movements. (Author/JMB)

Distance estimates of locations in a camp setting were obtained from 9- and 10-year-olds and adults. Each subject estimated distance on two tasks: magnitude estimation and reconstruction. Data were analyzed for the effects of certain environmental features such as buildings, trees, and hills. (JMB)

Investigated the stability of fears in a group of fourth grade children over a one year period. The fears expressed by the children were found to be highly stable in number and in kind. (BD)

Two experiments investigated the role of the sorting-presentation procedure in promoting organized recall in second grade children. (Author/JMB)

A group of 40 fifth grade boys and girls worked at a wheel-turning task in which each child could select, on each trial, how many wheel turns would earn a token exchangeable for either two or ten seconds of cartoon-viewing time. (Author/JMB)

Examined the relationship between two components of class inclusion (hierarchical classification and quantification of inclusion) and investigated the effects of methodological modifications. Subjects were nine girls and nine boys each from first, second, and third grades. (Author/JMB)

Results from 2 experiments indicated that 8-to 10-year-old children can be taught to take over the punishing role of an external agent and that a training technique involving perceived freedom of self-punishment will generate greater compliance with subsequent requests from the external agent. (Author/JMB)

A sample of 36 children 5 years of age were trained in perspective-taking skills in order to assess the effectiveness of various types of feedback in training. (Author/JMB)

This study examined the role of conceptual tempo in 4th graders' comprehension and appreciation of verbal jokes containing various types of linguistic ambiguity. (JMB)