Performances in tests of 4 dimensions of cognitive control that have implications for the differentiation of experience were used as bases for prediction of response to additional cognitive tests, including a Semantic Differential procedure designed to sample one aspect of differentiation in the perception of persons and objects. Factor analysis was used as a means of assessing relationships among the variables and their relationship to the sex of S. Use of husband-wife pairs as Ss provided partial control of socioeconomic status and yielded some new information concerning cognitive similarity-difference in marriage partners. The major results add to the demonstrated generality of cognitive control dimensions relevant to experiential differentiation and indicate the complexity of such differentiation with respect to persons and objects.

3 experiments were performed to clarify the relationship of two principles of cognitive control to the recall of different types of stimulus material. Exp. I shows that there is little or no relationship between leveling-sharpening and recall of thematic material and no relationship to recall of sequentially presented, highly similar designs. Exps. II and III show that, as predicted, field-articulation or field-dependence is related to the recall of similar visual designs but not to the recall of thematic material.

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