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标题：The Effectiveness of and Preschoolers' Preferences for variations of Multiple-Schedule Arrangements
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作者：Jeffrey H Tiger ; Gregory P Hanley ; Nicole A Heal 等
期刊名称：Journal of Applied Behavior Analysis
印刷版ISSN：0021-8855
电子版ISSN：1938-3703
出版年度：2006
卷号：39
期号：04
页码：475-488
DOI：10.1901/jaba.2006.48-06
出版社：University of Kansas - Dept Human Development
摘要：Multiple schedules of reinforcement have been used to teach children to recruit attention only when it is available, thereby minimizing disruptive requesting during instructional activities. This procedure involves alternating periods of continuous reinforcement (CRF) with periods of extinction and correlating each period with a distinct and continuous discriminative stimulus. The present study evaluated the effectiveness of and children's preferences for multiple schedules in which (a) two different stimuli, one correlated with reinforcement (S+) and another correlated with extinction (S−), were presented; (b) only an S+ was presented (i.e., no stimulus was correlated with extinction), and (c) neither an S+ nor an S− was presented (i.e., a mixed schedule). S+/S− and S+ arrangements were similarly effective for 7 children, but 3 preferred the S+/S− condition and 4 preferred the S+ condition. Correlational analyses suggested that children who responded more effectively given the S− (discrimination indexes were relatively high) preferred the S+/S− condition, whereas children who responded less effectively given the S− preferred the S+ condition. The implications of these findings for arranging multiple schedules for social responses are discussed.
关键词：concurrent-chains arrangement, multiple schedule, mixed schedule, preference assessment, preschoolers