EFFECTS OF REINFORCER DELAYS ON CHOICE AS A FUNCTION OF INCOME LEVEL

被引:18
作者
HASTJARJO, T [1 ]
SILBERBERG, A [1 ]
机构
[1] AMERICAN UNIV,DEPT PSYCHOL,WASHINGTON,DC 20016
关键词
CHOICE; REINFORCER DELAY; INCOME LEVEL; ECONOMICS; LEVER PRESS; RATS;
D O I
10.1901/jeab.1992.57-119
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Three rats earned their daily food ration by responding during individual trials either on a lever that delivered one food pellet immediately or on a second lever that delivered three pellets after a delay that was continuously adjusted to ensure substantial responding to both alternatives. Choice of the delayed reinforcer increased when the number of trials per session was reduced. This result suggests that models seeking closure on choice effects must include a parameter reflecting how preference changes with sessionwide income. Moreover, models positing that reinforcer probability and immediacy (1/delay) function equivalently in choice are called into question by the finding that probability and immediacy produce opposing effects when income level is changed.
引用
收藏
页码:119 / 125
页数:7
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