West Virginia University.
J Appl Behav Anal. 1975 Winter;8(4):381-6. doi: 10.1901/jaba.1975.8-381.
Unobtrusively marked items of litter were placed among existing trash on the grounds of a federal youth correctional facility. Inmates voluntarily collected trash and deposited it at a central location, where they were given money or special privileges for each piece of marked litter found. A multiple-baseline design with litter counts in three areas revealed successive reductions of 55%, 88%, and 71% after 17, 22, and 36 days of baseline, respectively. A fourth area served as a baseline-only control, and revealed no systematic changes. Advantages of the procedure over previously devised techniques were discussed and applications in other areas of pollution control suggested.
在一个联邦青年管教所的场地上，悄悄放置了一些标记的垃圾物品在现有的垃圾中。囚犯们自愿收集垃圾，并将其存放在一个中心地点，每找到一件标记的垃圾，他们就会得到钱或特殊待遇。在三个区域进行的多次基线设计，在 17、22 和 36 天的基线后，分别显示出 55%、88%和 71%的连续减少。第四个区域仅作为基线控制，没有显示出系统的变化。讨论了该程序相对于以前设计的技术的优势，并提出了在其他污染控制领域的应用。
