On the mathematical behavior of Cronbach’s α coefficient

Jiro Suzuki

doi:10.32188/iar.2.0_30

Proceedings of the International Conference on ICT Application Research

DOI https://doi.org/10.32188/iar.2.0_30

会議情報

主催: International ICT Application Research Society

会議名: The 2nd International Conference on ICT Application Research

開催日: 2024/08/31 - 2024/09/03

On the mathematical behavior of Cronbach’s α coefficient

*Jiro Suzuki

著者情報

キーワード: internal consistency, Cronbach’s α, reliability for a test

会議録・要旨集フリー

p. 30-32

詳細

抄録

Cronbach’s α coefficient is used for practical purposes to evaluate its value of 0 to 1. However, according to the definition formula, this value can also be negative. This article discusses how this situation can be used to improve test items, based on the mathematical properties of the formula.

責任著者(Corresponding author)

会議情報

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