Thompson R H, Fisher W W, Contrucci S A
Neurobehavioral Unit, Kennedy Krieger Institute, Baltimore, MD 21205, USA.
Res Dev Disabil. 1998 Mar-Apr;19(2):181-7. doi: 10.1016/s0891-4222(97)00050-4.
A concurrent-operants arrangement was used to evaluate a boy's preference for a choice condition (in which he chose the reinforcement) over a no-choice condition (in which the therapist selected the reinforcement for him) when (a) these conditions produced equal rates of reinforcement and (b) lower rates of reinforcement were associated with the choice condition. The boy preferred the choice condition even when it resulted in a much less favorable rate of reinforcement than the no-choice condition (up to 4000% less).
采用并发操作安排来评估一个男孩在以下两种情况下，对有选择条件（他自己选择强化物）相对于无选择条件（治疗师为他选择强化物）的偏好：(a) 这两种条件产生相同的强化频率；(b) 有选择条件下的强化频率较低。即使当有选择条件导致的强化频率比无选择条件低得多（高达少4000%）时，这个男孩仍然更喜欢有选择条件。
