Henton W W
J Exp Anal Behav. 1972 Mar;17(2):269-75. doi: 10.1901/jeab.1972.17-269.
Free-operant avoidance responding was maintained by a shock avoidance schedule in three monkeys. The frequency of avoidance responses during a stimulus terminated by response-independent food pellet presentation was dependent upon the method of pellet delivery. Avoidance rates were relatively increased when food retrieval responses followed pellet delivery. Avoidance rates were decreased when retrieval responses preceded pellet delivery.
在三只猴子身上,自由操作式回避反应通过电击回避程序得以维持。在由与反应无关的食物颗粒呈现终止的刺激期间,回避反应的频率取决于颗粒递送的方法。当食物获取反应在颗粒递送之后时,回避率相对增加。当获取反应在颗粒递送之前时,回避率降低。