固定间隔时长对双成分链式程序中反应率的一些影响。
Some effects of fixed-interval duration on response rate in a two-component chain schedule.
作者信息
Kendall S B
出版信息
J Exp Anal Behav. 1967 Jul;10(4):341-7. doi: 10.1901/jeab.1967.10-341.
In Exp. I three pigeons were trained on a two-component chain schedule. Responding on a 1-min variable-interval schedule in the initial component led to a sequence of two fixed-interval schedules in the terminal component. The rate of reinforcement in the terminal component was kept constant while the values of the two fixed intervals were varied. Three combinations of fixed-interval schedules were studied, FI 0.25, FI 1.75 (minutes) or FI 1.00, FI 1.00, or FI 1.75, FI 0.25. The rate for each subject declined in the initial component as the value of the first fixed interval was increased. Experiment II was conducted to assess the role of the second fixed-interval schedule in the terminal component in determining the rate of responding in the initial component. For each chain schedule the rate of responding in the initial component was determined both with and without the second of the sequence of fixed intervals. In all three cases the rate of responding in the initial component decreased when the second fixed interval was removed. Increasing the first fixed interval in Exp. I had a greater effect on variable-interval performance than did the removal of the second fixed interval in Exp. II.
在实验一中，三只鸽子接受了双成分链式程序的训练。在初始成分中，按照1分钟可变间隔程序做出反应会在终端成分中引出两个固定间隔程序的序列。终端成分中的强化速率保持恒定，而两个固定间隔的值则有所变化。研究了固定间隔程序的三种组合，即固定间隔0.25分钟、固定间隔1.75分钟，或固定间隔1.00分钟、固定间隔1.00分钟，或固定间隔1.75分钟、固定间隔0.25分钟。随着第一个固定间隔值的增加，每个实验对象在初始成分中的反应速率都下降了。进行实验二是为了评估终端成分中的第二个固定间隔程序在决定初始成分中的反应速率时所起的作用。对于每个链式程序，分别在有和没有第二个固定间隔序列的情况下测定初始成分中的反应速率。在所有三种情况下，当去掉第二个固定间隔时，初始成分中的反应速率都下降了。在实验一中增加第一个固定间隔对可变间隔表现的影响比在实验二中去掉第二个固定间隔的影响更大。
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