应用于条件时间辨别的泛化-跨维度模型

IF 1.4 3区 心理学 Q4 BEHAVIORAL SCIENCES
Michael Davison, Sarah Cowie
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引用次数: 0

摘要

简单选择的条件辨别选择能否用最近的刺激和强化物联合控制定量模型来解释?在实验 1 中,两组五次停顿时间(一次使用较短的时间间隔,一次使用较长的时间间隔)有条件地预示了随后的选择反应可能提供食物。在七个条件中,各组停顿时间的分布各不相同。更新版的 "泛化-跨维度模型 "很好地描述了选择在不同持续时间内的变化方式。在实验 2 中,只有两个停电时间作为条件刺激,停电时间在 10 个条件中变化。实验 1 中得到的模型参数未能充分预测实验 2 中的选择,但该模型再次很好地拟合了数据。实验 1 的参数之所以不能预测实验 2 的数据,是因为在实验 1 中,强化物位置的差异控制随着停电时间的延长而逐渐减弱,而在实验 2 中,这种控制保持不变。这些实验扩展了该模型描述基于并行时间表的程序数据的能力,在并行时间表中,强化物比率在固定时间发生逆转,而在条件辨别程序中,强化物比率也发生逆转。我们还需要进一步的研究来了解为什么两个实验中强化物位置的控制会有所不同。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The generalization-across-dimensions model applied to conditional temporal discrimination

The generalization-across-dimensions model applied to conditional temporal discrimination

Can simple choice conditional-discrimination choice be accounted for by recent quantitative models of combined stimulus and reinforcer control? In Experiment 1, two sets of five blackout durations, one using shorter intervals and one using longer intervals, conditionally signaled which subsequent choice response might provide food. In seven conditions, the distribution of blackout durations across the sets was varied. An updated version of the generalization-across-dimensions model nicely described the way that choice changed across durations. In Experiment 2, just two blackout durations acted as the conditional stimuli and the durations were varied over 10 conditions. The parameters of the model obtained in Experiment 1 failed adequately to predict choice in Experiment 2, but the model again fitted the data nicely. The failure to predict the Experiment 2 data from the Experiment 1 parameters occurred because in Experiment 1 differential control by reinforcer locations progressively decreased with blackout durations, whereas in Experiment 2 this control remained constant. These experiments extend the ability of the model to describe data from procedures based on concurrent schedules in which reinforcer ratios reverse at fixed times to those from conditional-discrimination procedures. Further research is needed to understand why control by reinforcer location differed between the two experiments.

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来源期刊
CiteScore
3.90
自引率
14.80%
发文量
83
审稿时长
>12 weeks
期刊介绍: Journal of the Experimental Analysis of Behavior is primarily for the original publication of experiments relevant to the behavior of individual organisms.
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