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)

Using cross classifiable pictures, this study assessed taxonomic and thematic clustering in free recall in 240 children, ages seven and ten. The effects of both free and constrained test conditions and developmental, ethnic, and socioeconomic differences, were examined. (BS)