A positive contrast effect in probability learning with monetary incentives

摘要: A total of 60 Ss participated in a binary decision probability learning experiment designed to investigate the effects information concerning potential availability “another” magnitude reward on contrast phenomenon. The procedure was analogous within-S design often used study “contrast effects” except that instead having actual experience with two different levels incentive, were merely informed “other” incentive level. Such sufficient provide behavioral contrast. However, white consistently provides negative effects, present resulted highly significant positive effects.