Progressive ratio schedules of reinforcement.

Progressive ratio schedules of reinforcement.
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DOI:
10.1037/a0012497
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发表时间:
2009-01
影响因子:
1.3
通讯作者:
Thrailkill, Eric A.
Thrailkill, Eric A.
中科院分区:
心理学4区
文献类型:
--
作者:
Killeen, Peter R.;Posadas-Sanchez, Diana;Johansen, Espen Borga;Thrailkill, Eric A.

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猪啄产生的粮食累进比率(PR)的时间表,其反应要求增加系统内会议。实验1比较了算术(AP)和几何(GP)进展。响应率增加的组件比的要求,然后线性下降(AP)或渐近(GP)的函数。实验2发现AP率的线性下降与步长相对独立。实验3表明,暂停控制的前组件的长度,预测PR和回归率的时间表之间的差异,发现在实验4。当最长的组成部分的比例由不同的关键颜色发出信号时,在中等比例下的比率增加,表明由即将到来的上下文控制。模型的响应率和暂停时间描述性能AP时间表; GP时间表需要一个额外的参数表示的上下文强化。
Pigeons’ pecks produced grain under progressive ratio (PR) schedules, whose response requirements increased systematically within sessions. Experiment 1 compared arithmetic (AP) and geometric (GP) progressions. Response rates increased as a function of the component ratio requirement, then decreased linearly (AP) or asymptotically (GP). Experiment 2 found the linear decrease in AP rates to be relatively independent of step size. Experiment 3 showed pausing to be controlled by the prior component length, which predicted the differences between PR and regressive ratio schedules found in Experiment 4. When the longest component ratios were signaled by different key colors, rates at moderate ratios increased, demonstrating control by forthcoming context. Models for response rate and pause duration described performance on AP schedules; GP schedules required an additional parameter representing the contextual reinforcement.
DOI: 10.1097/00000374-199910000-00003
发表时间: 1999-10-01
影响因子: 3.2
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