Number of successful exchanges and number of reward refusals (in brackets) in each condition.

Please note that in task B (inequity in the presence/absence of reward), reward refusals where not possible in the no reward, no partner, both no reward and inequity conditions, as focal individuals did not receive any reward for exchanging. In each condition each individual received a total of 48 trials (2 sessions á 24 trials). f female individuals, m male individuals.

需注意的是，在任务B（奖励存在与缺失情境下的不公平行为实验）中，无奖励、无搭档、双无奖励以及不公平情境下均不会出现奖励拒绝行为，因为此时焦点被试（focal individuals）在交换操作中未获得任何奖励。每种实验条件下，每名被试总计完成48轮试次（分为2个测试时段，每时段24轮试次）。f代表雌性个体，m代表雄性个体。