满足可靠性估计中的假设

IF 3.2 2区数学 Q1 SOCIAL SCIENCES, MATHEMATICAL METHODS

Stata Journal Pub Date : 2021-12-01 DOI:10.1177/1536867X211063407

B. Shaw

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引用次数: 16

摘要

研究人员和心理测量学家长期以来一直使用Cronbach’s α作为可靠性的衡量标准。然而，越来越多的人呼吁用更具可站得住脚的假设来取代克朗巴赫的α。最常见和最直接推荐的可靠性估计之一是ω。在回顾了Stata中的可靠性及其估计之后，我介绍了社区贡献的命令omegacoef。该命令以类似于基本alpha命令的格式报告麦当劳的ω。omegacoef为Stata用户提供了轻松计算可靠性估计的能力，并有信心满足必要的统计假设。

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Meeting assumptions in the estimation of reliability

Researchers and psychometricians have long used Cronbach’s α as a measure of reliability. However, there have been growing calls to replace Cronbach’s α with measures that have more defensible assumptions. One of the most common and straightforward recommended reliability estimates is ω. After a review of reliability and its estimation in Stata, I introduce the community-contributed command omegacoef. This command reports McDonald’s ω in a format similar to the base alpha command. omegacoef provides Stata users the ability to easily compute estimates of reliability with the confidence that the necessary statistical assumptions are met.

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来源期刊

Stata Journal 数学-统计学与概率论

CiteScore

7.80

自引率

4.20%

发文量

审稿时长

>12 weeks

期刊介绍： The Stata Journal is a quarterly publication containing articles about statistics, data analysis, teaching methods, and effective use of Stata''s language. The Stata Journal publishes reviewed papers together with shorter notes and comments, regular columns, book reviews, and other material of interest to researchers applying statistics in a variety of disciplines.