强化幅度对鸽子选择不同固定比例强化程序偏好的影响。
Effects of reinforcement magnitude on pigeons' preference for different fixed-ratio schedules of reinforcement.
出版信息
J Exp Anal Behav. 1969 Mar;12(2):253-9. doi: 10.1901/jeab.1969.12-253.
In concurrent, two-member chains, the completion of one or the other of two initial percentage fixed-interval 90-sec links produced a terminal link in which the completion of a fixed ratio produced food reinforcement. The fixed ratios and the duration of reinforcement in the terminal links were varied. Relative response rate in initial links was proportional to the relative reinforcement duration per ratio response (reinforcement duration divided by fixed ratio) in terminal links. The rate of responding in the terminal fixed-ratio links was insensitive to both ratio size and reinforcement duration and therefore did not vary sufficiently to distinguish between responses per reinforcement and immediacy of reinforcement as controlling variables in terminal links.
在同时进行的、由两名成员组成的连锁任务中，完成两个初始的、每个持续 90 秒的固定时间间隔中的任意一个，都会产生一个终端链接，在这个终端链接中，完成一个固定比例会得到食物强化。终端链接中的固定比例和强化持续时间是可变的。在初始链接中的相对反应率与终端链接中每个比例反应的相对强化持续时间（强化持续时间除以固定比例）成正比。在终端固定比例链接中的反应率对比例大小和强化持续时间都不敏感，因此不足以区分作为终端链接中控制变量的每次强化的反应次数和强化的即时性。
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