子学习有条件歧视:刺激-反应链或场合设置器?
Thomas R Zentall1, Daniel N Peng1
1Department of Psychology, University of Kentucky.
Journal of experimental psychology. Animal learning and cognition
|September 28, 2023
概括
在条件歧视中,样本刺激作为机会设置者,而不是作为刺激-反应链的一部分. 实验表明,单独呈现样品不会损害性能,支持场合设定假设.
科学领域:
- 行为心理学 行为心理学
- 学习理论学习理论
- 动物认知 动物认知
背景情况:
- 条件歧视涉及一个样本刺激信号,其比较刺激被强化.
- 存在两个主要假设:刺激-反应链 (Hull) 和机会设置者 (Skinner).
- 讨论了样本刺激在条件歧视中的作用.
研究的目的:
- 实证测试条件歧视中的样本刺激是否作为刺激-反应链的一部分或作为场合设置者.
- 要区分赫尔和斯金纳关于样本刺激函数的假设.
主要方法:
- 通过使用条件歧视培训进行了两项实验.
- 实验1:垂直/水平线样本,红色/绿色比较刺激. 单独呈现的样品 (有/没有增强).
- 实验2:用房间灯作为样本. 单独呈现的样品没有强化.
主要成果:
- 在没有比较刺激的情况下呈现样本对两项实验的条件歧视准确度的影响最小.
- 这一结果是一致的,不管样本单独提交时是否提供了强化.
结论:
- 这些结果强烈支持斯金纳的假设,即条件歧视中的样本刺激作为场合设置器.
- 这些发现表明,样本为选择正确的比较刺激提供了机会,而不是形成直接的刺激-反应链.
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