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Pathways to health: conceptual clarification and appropriate statistical treatment of mediator, moderator, and indirect effects using examples from burnout research
South African Journal of Psychology ( IF 1.236 ) Pub Date : 2020-08-20 , DOI: 10.1177/0081246320943498
Tyrone B Pretorius 1
Affiliation  

In my role as consulting statistical editor for the South African Journal of Psychology, I have witnessed a steady increase in articles that focused on the presumed role of mediator and moderator variables. While straightforward cause–effect studies have an important explanatory role, our task in the helping profession is to identify those factors that ‘intervene’ and make individuals differentially vulnerable in the cause–effect relationship. However, in a significant number of papers I have reviewed, there appeared to be considerable conceptual confusion about these variables with moderator and mediator often used interchangeably. In addition, no single paper I have reviewed considered indirect effects. This article attempts to differentiate between the various roles that a third variable can play in the adverse condition–wellbeing relationship (e.g., the stress–depression relationship). In addition, the appropriate statistical procedures for testing these roles are demonstrated using burnout research data. In this particular research project, 207 secondary school teachers completed a range of research questionnaires designed to assess among others burnout, work environment, social support, personal competence, coping, and problem-solving appraisal. Using this data, the various roles that third variables can play are demonstrated using hierarchical regression analyses.

中文翻译:

健康的途径:概念的澄清和中介人,主持人以及间接影响的适当统计处理,包括倦怠研究的实例

在担任《南非心理学杂志》的统计咨询顾问时,我目睹了针对调解人和主持人变量的假定作用的文章稳步增长。尽管直接的因果关系研究具有重要的解释作用,但我们在帮助行业的任务是确定那些“干预”因素并使个人在因果关系中易受伤害的因素。但是,在我审阅的大量论文中,关于这些变量的概念混淆似乎很多,而主持人和调解人经常互换使用。此外,我没有一篇论文回顾过间接影响。本文试图区分第三个变量可以在不利条件-幸福关系(例如压力-抑郁关系)中扮演的各种角色。此外,使用倦怠研究数据演示了测试这些角色的适当统计程序。在这个特定的研究项目中,207名中学教师完成了一系列研究问卷,旨在评估职业倦怠,工作环境,社会支持,个人能力,应对能力和解决问题的能力。使用此数据,通过层次回归分析证明了第三变量可以发挥的各种作用。在这个特定的研究项目中,207名中学教师完成了一系列研究问卷,旨在评估职业倦怠,工作环境,社会支持,个人能力,应对能力和解决问题的能力。使用此数据,通过层次回归分析证明了第三变量可以发挥的各种作用。在这个特定的研究项目中,207名中学教师完成了一系列研究问卷,旨在评估职业倦怠,工作环境,社会支持,个人能力,应对能力和解决问题的能力。使用此数据,通过层次回归分析证明了第三变量可以发挥的各种作用。
更新日期:2020-08-20
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