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Incidence and Interpretation of Statistical Suppression in Psychological Research

机译:心理学研究中统计抑制的发生率和解释

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摘要

Suppressor variables increase the predictive power of one or more predictors by suppressing irrelevant variance. Although theoretically and statistically useful, no research has addressed the frequency or interpretation of statistical suppression (SS) in the psychological literature. In two studies, we explored the nature and interpretation of SS. In the first study, we reviewed regression analyses to determine the frequency with which SS occurs in psychological articles published in 2017. Approximately one-third of articles showed evidence of SS, although researchers almost never acknowledged or attempted to interpret the SS. In the second study, we reviewed articles containing the keyword "suppression" to assess the interpretations provided by researchers that identified SS. Results indicate that most researchers do not attempt to classify or interpret SS. Therefore, although SS is common in psychology, scarcely any attempts are made to identify, classify, and/or interpret it.
机译:抑制变量通过抑制无关方差来增加一个或多个预测因子的预测能力。 尽管在理论上和统计上有用,但没有任何研究解决了心理文献中统计抑制(SS)的频率或解释。 在两项研究中,我们探讨了SS的性质和解释。 在第一项研究中,我们回顾了回归分析,以确定2017年发表的心理文章中SS发生的频率。尽管研究人员几乎从未承认或试图解释SS,但大约三分之一的文章显示了SS的证据。 在第二项研究中,我们回顾了包含关键词“抑制”的文章,以评估确定SS的研究人员提供的解释。 结果表明,大多数研究人员不会尝试对SS进行分类或解释。 因此,尽管SS在心理学中很常见,但几乎没有尝试识别,分类和/或解释它。

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