Verbal-reinforcement combinations and the relative frequency of informative feedback in a card-sorting task.

Abstract
IN EXP. I, THE PERCENTAGES OF RESPONSES ACCOMPANIED BY CONFIRMING (%R) AND INFIRMING (%W) INFORMATIVE FEEDBACK WERE SHOWN TO AFFECT TOTAL TRIALS TO SOLUTION IN A 4-CATEGORY CARD-SORTING TASK. NUMBER OF FEEDBACK TRIALS, HOWEVER, WAS INVARIANT ACROSS CONDITIONS, CASTING DOUBT ON INTERPRETATIONS WHICH ATTRIBUTE DIFFERING INFORMATIONAL OR REINFORCING VALUES TO R AND W SIGNALS. AN ATTEMPT (EXP. II) TO INCREASE THE REINFORCING EFFECTS OF R AND W BY PAIRING THEM WITH MONETARY GAIN AND LOSS WAS UNSUCCESSFUL, THE RESULTS UNDER 4 DIFFERENT PAYOFF ARRANGEMENTS BEING ENTIRELY CONSISTENT WITH EXP. I. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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