灭绝中的坚持:沉没时间效应。

IF 1.3 4区 心理学
Paula Magalhães, K Geoffrey White
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引用次数: 8

摘要

我们研究了沉没时间效应,即由于先前在该期权上投入时间而对非首选期权的持久性。鸽子在两个同时可用的键之间进行选择-2固定间隔(FI)食物需求安排在一个键上,并在第二个键上安排逃避选项,该选项终止当前的试验并开始新的试验。一个FI比另一个更长,在任何给定的试验中,较短的FI总是更有可能。在大多数情况下,不同的FI时间表没有信号。在这种情况下,鸽子的最佳行为是在没有强化的情况下,一旦相当于短FI的持续时间过去,鸽子就会逃离长FI。几个可能影响持续或逃避行为的变量被操纵:提示有效试验类型的线索的存在和缺失(实验1和2),长间隔中的消失(实验3、4和5),间隔-间隔持续时间(实验5和6),以及FI时间表的持续时间(实验1-6)。总体而言,结果表明,鸽子倾向于坚持并完成当前的试验,即使在较长的间隔内灭绝,结果与沉没时间效应一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Persistence in extinction: the sunk time effect.

We investigated the sunk time effect, persistence in a nonpreferred option owing to prior investment of time in that option. Pigeons chose between two concurrently available keys-2 fixed-interval (FI) food requirements were arranged on 1 key, and an escape option, which terminated the current trial and started a new one, on a second key. One FI was longer than the other, and the shorter FI was always more probable on any given trial. In most conditions, the different FI schedules were not signaled. In this situation, the optimal behavior would be for pigeons to escape from the long FI once the duration equivalent to the short FI had elapsed without reinforcement. Several variables that could influence persistence or escape behavior were manipulated: the presence and absence of cues signaling the type of trial in effect (Experiments 1 and 2), extinction in the long interval (Experiments 3, 4, and 5), the intertrial-interval duration (Experiments 5 and 6), and the duration of the FI schedules (Experiments 1-6). Overall, the results showed that pigeons tend to persist and finish the current trial, even with extinction in the long interval, a result consistent with the sunk time effect.

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来源期刊
自引率
23.10%
发文量
0
审稿时长
>12 weeks
期刊介绍: The Journal of Experimental Psychology: Animal Learning and Cognition publishes experimental and theoretical studies concerning all aspects of animal behavior processes.
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