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首页> 外文期刊>Journal of occupational health psychology >Developing and Investigating the Use of Single-Item Measures in Organizational Research
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Developing and Investigating the Use of Single-Item Measures in Organizational Research

机译：在组织研究中开发和调查单项措施的使用

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The validity of organizational research relies on strong research methods, which include effective measurement of psychological constructs. The general consensus is that multiple item measures have better psychometric properties than single-item measures. However, due to practical constraints (e.g., survey length, respondent burden) there are situations in which certain single items may be useful for capturing information about constructs that might otherwise go unmeasured. We evaluated 37 items, including 18 newly developed items as well as 19 single items selected from existing multiple-item scales based on psychometric characteristics, to assess 18 constructs frequently measured in organizational and occupational health psychology research. We examined evidence of reliability; convergent, discriminant, and content validity assessments; and test-retest reliabilities at 1- and 3-month time lags for single-item measures using a multistage and multisource validation strategy across 3 studies, including data from N = 17 occupational health subject matter experts and N = 1,634 survey respondents across 2 samples. Items selected from existing scales generally demonstrated better internal consistency reliability and convergent validity, whereas these particular new items generally had higher levels of content validity. We offer recommendations regarding when use of single items may be more or less appropriate, as well as 11 items that seem acceptable, 14 items with mixed results that might be used with caution due to mixed results, and 12 items we do not recommend using as single-item measures. Although multiple-item measures are preferable from a psychometric standpoint, in some circumstances single-item measures can provide useful information.
机译：组织研究的有效性取决于强大的研究方法，其中包括有效测量心理构造。普遍的共识是，与单项测量相比，多项测量具有更好的心理测量特性。但是，由于实际的限制（例如，调查长度，受访者负担），在某些情况下，某些单个项目可能对于捕获有关原本可能无法测量的构造物的信息很有用。我们评估了37个项目，包括18个新开发的项目以及根据心理测量特征从现有的多项目量表中选择的19个单项，以评估在组织和职业健康心理学研究中经常测量的18种结构。我们检查了可靠性的证据;趋同，判别和内容有效性评估;在3项研究中使用多阶段和多源验证策略对单项措施进行1个月和3个月时滞的重新测试可靠性，包括来自N = 17名职业健康主题专家和N = 1,634名调查受访者的2个样本的数据。从现有量表中选择的项目通常表现出更好的内部一致性信度和收敛效度，而这些特定的新项目通常具有更高的内容效度水平。我们提供有关何时使用单个项目或多或少合适的建议，以及似乎可以接受的11个项目，由于混合的结果可能会谨慎使用的14个结果混合的项目，以及我们不建议将12个项目用作单项措施。尽管从心理学的角度来看，多项目措施是可取的，但在某些情况下，单项目措施可以提供有用的信息。

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