Adolescent educable retardates were presented a list of words which were organized into categories for half of the Ss and randomized for the other half. In addition, a sorting task preceded the list for half of the Ss. Ss were tested for recall after each of three trials. Responses were analyzed by two methods: one required responses of Ss organized into categories predetermined by the experimenter, and one used the organizational patterns of Ss. Contrary to predictions, the sorting task did not result in higher clustering or recall scores. However, organized list presentation resulted in significantly higher recall scores than did randomized presentation. Subjective organization scores could not be obtained due to the very low number of scoreable responses of this type. It was suggested that subjective organization reflects a concept-formation process while associative clustering involves concept-usage. (Author/KW)