British Journal of Psychology

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Volume 55 Issue 1 (February 1964), Pages 1-120

THE EFFECTS OF THE VARIATION OF TWO PHYSICAL PARAMETERS ON EMPIRICAL DIFFICULTY IN A PERCEPTUAL MAZE TEST (pages 31-37)

An improved version of a perceptual maze test, which has been shown to be sensitive to frontal and temporal lobe damage, is described. The present test possesses a fully binary structure and parameters describing the task are now more easily definable. An experiment is reported in which the effect of varying two of these parameters, size and density of pattern, was examined. In order to minimize differential practice effects, a 36 times 36 random Latin square design was used, 36 normal subjects being tested with 36 patterns. The results show that the effect of the variation of these two parameters on the difficulty experienced by the subject in solving the task is reilably pronounced. A third parameter ‘pattern’ is briefly discussed.

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