On the Benefits of Using Maximal Reliability in Educational and Behavioral Research.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-10-01 Epub Date: 2023-12-27 DOI:10.1177/00131644231215771
Tenko Raykov
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Abstract

This note is concerned with the benefits that can result from the use of the maximal reliability and optimal linear combination concepts in educational and psychological research. Within the widely used framework of unidimensional multi-component measuring instruments, it is demonstrated that the linear combination of their components that possesses the highest possible reliability can exhibit a level of consistency considerably exceeding that of their overall sum score that is nearly routinely employed in contemporary empirical research. This optimal linear combination can be particularly useful in circumstances where one or more scale components are associated with relatively large error variances, but their removal from the instrument can lead to a notable loss in validity due to construct underrepresentation. The discussion is illustrated with a numerical example.

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论在教育和行为研究中使用最大信度的好处。
本说明涉及在教育和心理学研究中使用最大信度和最佳线性组合概念的好处。在广泛使用的单维度多成分测量工具的框架内,研究表明,具有最高信度的各成分线性组合所表现出的一致性水平可以大大超过其总分的一致性水平,而后者几乎是当代实证研究中经常使用的。当一个或多个量表成分与相对较大的误差方差相关联时,这种最佳线性组合就显得尤为有用,但如果将其从工具中去除,则会因建构的代表性不足而导致效度的显著降低。本讨论将通过一个数字示例进行说明。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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