Cole S S, Gans D P
Br J Audiol. 1980 Feb;14(1):11-4. doi: 10.3109/03005368009078894.
The hearing of 24 normal hearing children ranging in age from 18 to 32 months was tested by TROCA and peep-show, two operant conditioning technique differing only in the type of reward. Children between 18 and 24 months consistently exhibited poorer thresholds (lowest response levels) than children between 25 and 32 months. The older children required fewer trials for threshold determination and took less time in completing testing. Children tested with TROCA exhibited significantly poorer thresholds (although the differences were small) and took significantly longer to complete testing than for peep-show. No differences were found between the two methods for the number of trials to obtain threshold. The results strongly suggest that the type of reward is not an important factor in testing the hearing of young, normal children.
采用两种仅奖励类型不同的操作性条件反射技术——TROCA和西洋镜，对24名年龄在18至32个月的听力正常儿童进行听力测试。18至24个月的儿童阈值（最低反应水平）始终比25至32个月的儿童要高。年龄较大的儿童确定阈值所需的试验次数较少，完成测试所需的时间也较短。采用TROCA进行测试的儿童阈值明显更高（尽管差异很小），且完成测试所需的时间明显比采用西洋镜测试的儿童更长。两种方法在获得阈值的试验次数上没有差异。结果有力地表明，奖励类型并非测试年幼听力正常儿童听力的重要因素。
