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Guidelines for Improving the Power Values of Statistical Tests for Nonresponse Bias Assessment in OM Research

机译:在OM研究中提高无响应偏差评估统计测试功效值的指南

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摘要

The assessment of nonresponse bias in survey-based empirical studies plays an important role in establishing the credibility of research results. Statistical methods that involve the comparison of responses from two groups (e.g., early vs. late respondents) on multiple characteristics, which are relevant to the study, are frequently utilized in the assessment of nonresponse bias. We consider the concepts of individual and complete statistical power used for multiple testing and show their relevance for determining the number of statistical tests to perform when assessing nonresponse bias. Our analysis of factors that influence both individual and complete power levels, yielded recommendations that can be used by operations management (OM) empirical researchers to improve their assessment of nonresponse bias. A power analysis of 61 survey-based research papers published in three prestigious academic operations management journals, over the last decade, showed the occurrence of very low (<0.4) power levels in some of the statistical tests used for assessing nonresponse bias. Such low power levels can lead to erroneous conclusions about nonresponse bias, and are indicators of the need for more rigor in the assessment of nonresponse bias in OM research. [Submitted: March 5, 2012. Revised: September 21, 2012; January 12, 2013; February 11, 2013. Accepted: February 14, 2013.]
机译:在基于调查的实证研究中,对无应答偏差的评估在确立研究结果的可信度方面起着重要作用。涉及比较与研究相关的两个特征(例如早期和晚期受访者)在两个方面的反应的统计方法经常用于评估无反应偏差。我们考虑了用于多重测试的个体和完整统计能力的概念,并显示了它们在确定无响应偏差时确定要执行的统计测试数量的相关性。我们对影响单个和整个功率水平的因素进行的分析得出了一些建议,运营管理(OM)实证研究人员可以使用这些建议来改进他们对无响应偏差的评估。在过去十年中,对三种著名的学术运营管理期刊上发表的61篇基于调查的研究论文进行了功效分析,结果表明,在一些用于评估无响应偏差的统计测试中,发生了非常低的功效(<0.4)。如此低的功率水平可能导致有关无响应偏差的错误结论,并且表明在OM研究中评估无响应偏差时需要更加严格。 [提交:2012年3月5日。修订:2012年9月21日; 2013年1月12日; 2013年2月11日。接受:2013年2月14日。]

著录项

  • 来源
    《Decision Sciences》 |2013年第4期|797-812|共16页
  • 作者单位

    Department of Supply Chain and Information Systems, College of Business, lowa State University, 2340 Gerdin Business Building, Ames, IA 50011;

    Department of Management Sciences, Fisher College of Business, The Ohio State University, 2100 Neil Avenue, Columbus, OH 43210;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nonresponse bias; statistical analysis; survey research methods;

    机译:无回应偏差;统计分析;调查研究方法;

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