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Cronbach’s alpha in mathematics education research: Its appropriateness, overuse, and alternatives in estimating scale reliability

Artigo2022

Yusuf Feyisara Zakariya ORCID

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Resumo

Critiques of coefficient alpha as an estimate of scale reliability are widespread in the literature. However, the continuous overuse of this statistic in mathematics education research suggests a disconnection between theory and practice. As such, this article argues, in a non-technical way, for the limited usefulness of coefficient alpha, its overuse, and its alternatives in estimating scale reliability. Coefficient alpha gives information only about the degree of the interrelatedness of a set of items that measures a construct. Contrary to the widely circulated misconceptions in mathematics education research, a high coefficient alpha value does not mean the instrument is reliable, and it does not imply the instrument measures a single construct. Coefficient alpha can only be dependable as an estimate of reliability under verifiable and restrictive conditions. I expose these conditions and present steps for their verification in empirical studies. I discuss some alternatives to coefficient alpha with references to non-technical articles where worked examples and programming codes are available. I hope this exposition will influence the practices of mathematics education researchers regarding estimation of scale reliability.

Dados da obra

Tipo
Artigo
Periódico
Frontiers in Psychology, v. 13, p. 1074430
Editora
Frontiers Media
Ano
2022 (2022-12-22)
Idioma
en
Palavras-chave
Cronbach's alpha; scale reliability; mathematics education research; construct measurement; instrument reliability
Temas
Pensamento Computacional
DOI
10.3389/fpsyg.2022.1074430
ISSN
1664-1078
Licença
cc-by
Acesso
Download disponível
Fontes
OpenAlex
Na Biblioteca desde
27/09/2026 · verificada em 27/09/2026

Como citar

ABNT
ZAKARIYA, Yusuf Feyisara. Cronbach’s alpha in mathematics education research: Its appropriateness, overuse, and alternatives in estimating scale reliability. Frontiers in Psychology, v. 13, p. 1074430, 2022. DOI: https://doi.org/10.3389/fpsyg.2022.1074430.

APA

Zakariya, Y. F. (2022). Cronbach’s alpha in mathematics education research: Its appropriateness, overuse, and alternatives in estimating scale reliability. Frontiers in Psychology, 13, 1074430. https://doi.org/10.3389/fpsyg.2022.1074430

BibTeX
@article{zakariya2022,
  author = {Zakariya, Yusuf Feyisara},
  title = {Cronbach’s alpha in mathematics education research: Its appropriateness, overuse, and alternatives in estimating scale reliability},
  year = {2022},
  journal = {Frontiers in Psychology},
  volume = {13},
  pages = {1074430},
  publisher = {Frontiers Media},
  doi = {10.3389/fpsyg.2022.1074430},
  language = {en}
}
RIS
TY  - JOUR
AU  - Zakariya, Yusuf Feyisara
TI  - Cronbach’s alpha in mathematics education research: Its appropriateness, overuse, and alternatives in estimating scale reliability
PY  - 2022
JO  - Frontiers in Psychology
VL  - 13
SP  - 1074430
DO  - 10.3389/fpsyg.2022.1074430
LA  - en
ER  -

Referência gerada automaticamente a partir dos metadados das fontes; confira com o documento original. Baixar BibTeX · Baixar RIS

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