Abstract
In the block design task, one type of intelligence test task, the subject reproduces a square-field pattern by assembling cubes having solid and diagonally divided surfaces. The task requires that the subject recode the perceived stimulus pattern into the alternatives available on the block surface. This experiment examined the effect on response or reproduction time of perceptual cohesiveness of pattern, quantified as the number of adjacent same-colored edges of cubes which abutt to form the pattern. This stimulus variable interacts with the type of design (quantified as total set size for designs constructed of all solid surfaces, all diagonally divided surfaces, or mixtures of the two types of surfaces) and with cuing (presence or absence on stimulus pattern of a superimposed grid congruent with block edges of the constructed design). Cohesiveness increases the difficulty of “mentally slicing” or recoding the pattern into the set of block alternatives. The psychological processes involved in recoding probably are the most important ones underlying the intelligence test task.
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This work was performed as part of VA Research Project 7600-04.
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Royer, F.L., Weitzel, K.E. Effect of perceptual cohesiveness on pattern recoding in the block design task. Perception & Psychophysics 21, 39–46 (1977). https://doi.org/10.3758/BF03199465
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DOI: https://doi.org/10.3758/BF03199465