Influence of instructions on degree of shape constancy.

1 January 1967

journal article
Published by American Psychological Association (APA) in Journal of Experimental Psychology

Vol. 74 (4, Pt.1) , 538-542
https://doi.org/10.1037/h0024775

Abstract

SS WERE INSTRUCTED TO RESPOND EITHER TO REAL SHAPE (OBJECT INSTRUCTIONS), HOW THE STIMULUS LOOKED (APPARENT INSTRUCTIONS), OR THE STIMULUS SILHOUETTE (IMAGE INSTRUCTIONS). 3 GROUPS OF 15 SS WERE USED, EACH WITH ONLY 1 KIND OF INSTRUCTION. THE 4 STANDARD STIMULI (SS) WERE COMPLEX AND UNFAMILIAR. S MANIPULATED THE SHAPE OF THE VARIABLE STIMULUS (VS) TO EQUAL THAT OF THE TURNED SS. RESULTS SUGGEST THAT, IN A NORMAL SITUATION, (1) OBJECT INSTRUCTIONS PRODUCE NEARLY PERFECT CONSTANCY, (2) THE IMAGE INSTRUCTION CANNOT ELIMINATE CONSTANCY, AND (3) THE CONVENTIONAL APPARENT INSTRUCTION IS AMBIGUOUS, RESULTING IN EITHER AN OBJECT OR IMAGE SET. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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