Students in grades 4, 6, and 8 were required to indicate whether or not a stimulus word belonged in either of two semantic categories that were held in memory. Results indicated that even for the youngest children semantically similar categories required less search time than dissimilar categories. (GO)

In an attempt to examine the generalizability of the Kendler S-R mediational model of reversal-shift behavior, 60 third-grade children were classified as either verbal mediators or nonmediators on the basis of their performance on an optional-shift discrimination problem. The children's performances were then evaluated on three tasks. (Author/CS)

Seventy-two first grade students and 72 freshman college students participated in a study designed to test the hypothesis that the younger the child, the more perceptible are the attributes used in judging equivalence in sorting tasks. (BD)

This study examined whether a synthesis of clinical and statistical data taken from psychoeducational reports completed on 42 boys referred to a child psychiatric outpatient department for school-learning problems would yield discrete clinical categories or clusters of children. Cluster membership and educational placement recommendations were…

A grouping task revealed a chronological progression: color and form determined the 4-year-old children's grouping about equally; form dominated in the 5-year-olds; and 9-year-olds grouped primarily by conceptual attributes. Performance on a memory task showed the developmental shift from color to form to concept, while cued recall showed…

Taxonomic category encoding was studied in 160 second and fourth grade students, both low-socioeconomic status Blacks and middle-class Whites. Three items were displayed sequentially, to be recalled later. The results provided conclusive evidence of the availability of taxonomic encoding categories in the groups sampled. (Author/GDC)

The present study investigated the relationship between developmental shifts in the organization of materials and developmental changes in deliberate strategy use. Second- and fourth-grade children were presented with clusterable sort/recall lists representing the factorial combinations of high and low inter-item association and high and low…