Presents two experiments which examined: (1) the tendency to make differential cue-producing responses to the values of dimensions that vary within or between settings; and (2) the hypothesis that children have more experience with problems following a two-choice simultaneous discrimination format than a successive one. Subjects were third- and…

Children's performance on multidimensional classification tasks was examined in two experiments. In Experiment 1, preschool, first-, and third-grade children were shown a standard stimulus and were then asked to judge whether several comparison stimuli were the same as or different from the standard. Comparison stimuli differed from the standard…