The development of two structural principles, hierarchical complexity and interruption, was examined in a new domain: two-dimensional pictures. Subjects were 60 4-to 5 1/2-year-old children. (Author/MP)

The effects of stimulus dimension and mode of exploration on preschool children's responses to pattern meanings and unusual uses tasks of original thinking were studied. The 3D tasks generated more responses overall. Visual and haptic exploration combined with 3D was the only condition studied to meet all criteria for construct validity.…

The specific hypothesis tested by this research is that children are able to attend to multiple cues simultaneously and are able to use the information contained in these cues. (Author)

This study followed the development of visual preferences in a single infant from birth to 10 weeks of age. The stimuli used were 5 x 10 item arrays of squares of lines in which a 3 x 3 target matrix of the other figure type (line or square) was embedded. The direction of first fixation and the total time spent looking at each side were determined…

As children grow older they show an increasing preference for classifying objects on the basis of shape rather than color. To clarify the nature of this "dimension preference," children of ages 3 1/2 to 6 1/2 years were given a method of triads test of dimension preferences, followed (after a week's delay) by a component selection task. The most…

Ratings over five repeated measures and a two week follow-up indicated that color preferences shifted markedly, yielding the expected interaction. The racial implications of these findings are discussed. (Authors)

This investigation also studied the relationship between gestational age and preferences for contour. (CB)

The most significant finding is that classification according to complete similarity not only occurs much earlier than reported by Inhelder and Piaget, but also does not follow the developmental course reported by Inhelder and Piaget. (Author)

Results are consistent with the assumption that subjects do not change functional stimuli because of the negative transfer produced by learning different responses to the same nominal stimuli. (Authors/CB)

In the course of two experiments, groups of kindergarten, second, fourth, sixth grade and college students received several discrimination problems to investigate hypothesis testing behavior. (Authors/MB)

Results show that both kindergarten nonconservers and kindergarten conservers found height most salient. Third-grade conservers found quantity most salient but could easily attend to height and width. (Author/CB)

The present experiment investigated the impact of contextually trained discriminations on gambling behavior. Nine recreational slot-machine players were initially exposed to concurrently available computerized slot machines that were each programmed on random-ratio schedules of reinforcement and differed only in color. All participants distributed…

Uses the transposition paradigm to compare the influence of the adjectives "same" and "different" on the test choice of 5- and 9-year-old children. (Author/SDH)

The effect of dimensional training on the mode of response of kindergarten children to two-dimensional stimulus materials was investigated by Kruskal-Shepard scaling and Procrustes rotation procedures. Twenty-two kindergarten children were used as Ss. The stimuli consisted of five cardboard rectangles varying on two dimensions of colour and size.…

Purposes of this study are to determine the effects of (1) preassessed dimensional salience upon performance in a bi-dimensional matching task, and (2) pretraining conditions expected to facilitate bi-dimensional processing. An additional aim was to elucidate a model of development involving changing salience hierarchies by comparing the effects…