| Sumario: | 76 Ss in grades 2, 6, and college were asked to sort 50 pictures with respect to the class labels "food," "things to eat," "clothing," and "things to wear." The first and third categories, as well as the general procedure employed, were used earlier by Saltz, Soller, and Sigel (1972). The remaining class labels were employed to test for effect of label specificity. The classes "food" and "things to eat" are functionally equivalent at all ages; both show a slight increase in size with age. However, "clothing" and "things to wear" are functionally equivalent only for second graders, with a decrease in the size and composition of "clothing" with age. Details of inclusion for this class did not support the earlier findings of Saltz, Soller, and Sigel.
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