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In a series of experiments observers judged whether two visual tachistoscopically presented shapes were the same or different in a relevant dimension, and had to ignore the graded variation on an irrelevant dimension that appeared concurrently with the relevant dimension. Experimental results from judgments in orientation, size and brightness failed to support the normalization hypothesis. The hypothesis...
In the present research, an information-board procedure was used to examine second and fifth grade children's selective search of predecisional information. Several conditions were used to facilitate children's selective search of information, including putting decisions within meaningful contexts (i.e., stories), increasing the perceptual salience of some of the dimensions on the information boards,...
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