J Exp Anal Behav. 1976 Sep;26(2):257-67. doi: 10.1901/jeab.1976.26-257.
Lever presses by two rhesus monkeys produced food pellets that were assigned by both an ascending and descending series of fixed-interval schedules whose values varied between 1 and 512 sec. The amount of schedule-induced drinking was bitonically related to interreinforcement interval, reaching a maximum at approximately 120 sec and declining at longer fixed intervals. The relation between water intake and interreinforcement interval was complexly related to two drinking measures: (1) the probability of drinking following a pellet and (2) the amount drunk per bout. Drinking rate was also bitonically related to interreinforcement interval.
两只恒河猴按压杠杆产生食物丸,这些食物丸通过两个递增和递减的固定时距程序分配,其数值在 1 到 512 秒之间变化。由程序引起的饮水量与强化间隔呈双相关系,在大约 120 秒时达到最大值,在较长的固定间隔时下降。水摄入量与强化间隔的关系与两个饮水测量指标复杂相关:(1)在得到一个食物丸后饮水的概率,(2)每次饮水的量。摄水率也与强化间隔呈双相关系。