改变混合固定比例时间表中各组成部分的比例。
Altering the proportion of components in a mixed fixed-ratio schedule.
出版信息
J Exp Anal Behav. 1973 Sep;20(2):273-9. doi: 10.1901/jeab.1973.20-273.
Pigeons were trained under a schedule consisting of a number of fixed-ratio 100 components followed by a single fixed-ratio 10 component. The proportion of fixed-ratio 100 to fixed-ratio 10 components was varied according to several ascending and descending series within the range of 99:1 to 1:1. When this proportion was reduced to about 20:1 and below, the pause following each fixed-ratio 100 gradually decreased in length. Primes, a burst of responses at the start of the fixed-ratio 100 component, increased in frequency, and then decreased when the proportion became extremely low. Also, when the relative frequency of fixed-ratio 10 components was very high, primes were seldom observed in the first fixed-ratio 100 component following a fixed-ratio 10 component, but were distributed evenly throughout the remaining fixed-ratio 100 components.
鸽子在一种由多个固定比例 100 组成的时间表下进行训练，然后是一个单独的固定比例 10 组成。固定比例 100 与固定比例 10 组成的比例根据 99:1 至 1:1 范围内的几个升序和降序系列而变化。当这个比例降低到大约 20:1 及以下时，每个固定比例 100 之后的停顿逐渐缩短。在固定比例 100 组成部分开始时，爆发的响应——Prime，其频率增加，然后当比例变得极低时，频率降低。此外，当固定比例 10 组成的相对频率非常高时，在前一个固定比例 10 组成之后的第一个固定比例 100 组成中很少观察到 Prime，但在其余的固定比例 100 组成中均匀分布。
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