向智障人士教授硬币等价概念。
Teaching coin equivalence to the mentally retarded.
作者信息
Trace M W, Cuvo A J, Criswell J L
出版信息
J Appl Behav Anal. 1977 Spring;10(1):85-92. doi: 10.1901/jaba.1977.10-85.
A program was designed to teach coin equivalence to mentally retarded adolescents. Coin equivalence was defined as choosing several different combinations of coins to equal specified target values. A pretest-posttest matched-groups design was employed with an experimental group receiving the monetary training, and a no-training control group. A multiple baseline across coin-counting responses was also incorporated in the experimental group. Training was divided into six stages, each teaching one specific method of combining coins to equal 10 target values from 5 cents through 50 cents. A three-component response chain was used, requiring (a) naming, (b) selecting and counting, and (c) depositing target monetary values into a coin machine. Experimental subjects improved significantly in coin equivalence performance and maintained their skill on follow up tests; control subjects did not.
设计了一个项目来教授智力发育迟缓青少年硬币等价物的知识。硬币等价物被定义为选择几种不同的硬币组合以等于指定的目标值。采用了前测-后测匹配组设计，实验组接受货币培训，而无培训对照组。实验组还纳入了跨硬币计数反应的多基线。培训分为六个阶段，每个阶段教授一种将硬币组合以等于从5美分至50美分的10个目标值的特定方法。使用了一个由三个部分组成的反应链，要求：(a) 说出名称，(b) 选择并计数，以及 (c) 将目标货币值存入投币机。实验对象在硬币等价物表现上有显著提高，并在后续测试中保持了他们的技能；而对照对象则没有。
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