鸽子在获得条件辨别时的差异样本反应时间表。
Differential sample response schedules in the acquisition of conditional discriminations by pigeons.
出版信息
J Exp Anal Behav. 1976 Sep;26(2):301-14. doi: 10.1901/jeab.1976.26-301.
Pigeons were trained on four matching-to-sample tasks with various schedule requirements in effect on the sample key. Differential sample-schedule requirements (a differential-reinforcement-of-low-rates of 3 sec in the presence of one sample and a fixed-ratio 16 in the presence of the other) produced rapid rates of acquisition that did not differ across tasks. Nondifferential sample-schedule requirements (fixed-ratio 1, fixed-ratio 16 or a differential-reinforcement-of-low-rates of 3 sec in the presence of both samples) produced slower rates of acquisition, which depended on the difficulty of the discriminations between samples and between comparisons. Patterns of stimulus and position preferences were influenced both by the comparison stimuli in each task and by the sample-schedule requirements. Detailed analyses of acquisition revealed frequent instances of complete differential sample control of comparison responding at intermediate levels of overall "accuracy".
鸽子在四个匹配样本任务中接受训练，样本关键上有不同的时间表要求。不同的样本时间表要求（一种是在一个样本存在时进行 3 秒的低比率强化，另一种是在另一个样本存在时进行固定比率 16 的强化）产生了快速的习得率，这些习得率在不同任务中没有差异。非差分样本时间表要求（在两个样本存在时进行固定比率 1、固定比率 16 或 3 秒的低比率强化）产生较慢的习得率，这取决于样本和比较之间的区分难度。刺激和位置偏好模式既受到每个任务中比较刺激的影响，也受到样本时间表要求的影响。对习得过程的详细分析显示，在整体“准确性”的中间水平上，比较反应经常受到完全差分样本控制的影响。
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