Tested understanding of correspondence on the part of 2.5- to 3.5-year olds who watched a toy hidden in a model and tried to find an analogous toy in a room. Retrieval scores increased with increasing model-room similarity; were higher for older than younger children; and were affected by object and size similarity. (BC)

Investigates two questions: (1) the sex-related differences in Landsat Mastery, road map reading, and map drawing among adolescents and (2) the relationship between spatial ability and mapping skills. Replicates significantly lower female performance on parts of the Landsat tasks. Concludes that spatial ability correlations with mapping are too…