Abstract
40 male and female college students participated in a concept attainment experiment. The type of material, figural or verbal, in which the concepts were embedded, and arrangement of the instances on the display, ordered or random, were investigated. The sex of the S was also included as a stratifying variable. The data were analyzed according to a 2 × 2 × 2 analysis of variance. Concepts embedded in figural material were attained in significantly less time than concepts stated in words; also less, but not significantly less, time was required on the ordered arrangement. on the second dependent variable, number of incorrect hypotheses, the main effects were not significant; however, the type of material interacted significantly with arrangement. Errors on the ordered figural display and on the random verbal displays were low but were high on the random figural and ordered verbal displays. Sex was not significant.
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