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Comparing the results of one‐session, two‐session, and three‐session MSWO preference assessments
Journal of Applied Behavior Analysis ( IF 2.9 ) Pub Date : 2021-01-19 , DOI: 10.1002/jaba.808
Daniel E Conine 1 , Samuel L Morris 2 , Faris R Kronfli 3 , Crystal M Slanzi 4 , Abigail K Petronelli 5 , Lindsay Kalick 4 , Timothy R Vollmer 4
Affiliation  

The multiple‐stimulus‐without‐replacement (MSWO) preference assessment is commonly used in behavior‐analytic research and practice. As originally published, the MSWO included 5 sessions in an effort to confirm stimulus preferences. Subsequent researchers have evaluated the validity of MSWO outcomes when the assessment is abbreviated. Generally, valid outcomes have been noted for 3‐session MSWOs (that is, the outcomes match those of the 5‐session version), while validity outcomes for 1‐ or 2‐session MSWOs have varied across studies. The current study utilized data from 157 MSWO preference assessments conducted in previously published research with 49 total participants and analyzed the extent to which 1‐session or 2‐session variations of those assessments would have yielded similar outcomes as a 3‐session assessment. Results indicate that the hierarchies produced by both abbreviated formats were strongly correlated with those produced by a 3‐session assessment. However, neither 1‐ nor 2‐session MSWOs reliably identified the same highest‐preferred stimuli as a 3‐session MSWO.

中文翻译:

比较一节、两节和三节 MSWO 偏好评估的结果

多重刺激无替代(MSWO)偏好评估常用于行为分析研究和实践。正如最初发布的那样,MSWO 包括 5 个会议,以确认刺激偏好。随后的研究人员在评估缩写时评估了 MSWO 结果的有效性。一般而言,3 次 MSWO 的有效结果已被注意到(即结果与 5 次版本的结果相匹配),而 1 次或 2 次 MSWO 的有效性结果因研究而异。目前的研究利用了之前发表的研究中进行的 157 次 MSWO 偏好评估的数据,共有 49 名参与者,并分析了这些评估的 1 次或 2 次变化会产生与 3 次评估相似的结果的程度。结果表明,两种缩写格式产生的层次结构与 3 节评估产生的层次结构密切相关。然而,无论是 1 次还是 2 次会话 MSWO 都不能可靠地识别出与 3 次会话 MSWO 相同的最高偏好刺激。
更新日期:2021-01-19
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