The problem with Cronbach's alpha: Comment on Sijtsma and van der Ark (2015)
Journal article
Barbaranelli, Claudio, Lee, Christopher, Vellone, Ercole and Riegel, Barbara. (2015). The problem with Cronbach's alpha: Comment on Sijtsma and van der Ark (2015). Nursing Research. 64(2), pp. 140 - 145. https://doi.org/10.1097/NNR.0000000000000079
Authors | Barbaranelli, Claudio, Lee, Christopher, Vellone, Ercole and Riegel, Barbara |
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Abstract | Knowledge of a scale’s dimensionality is an essential preliminary step to the application of any measure of reliability derived from classical test theory—an approach commonly used is nursing research. The focus of this article is on the applied aspects of reliability and dimensionality testing. Throughout the article, the Self-Care of Heart Failure Index is used to exemplify real-world data challenges of quantifying reliability and to provide insight into how to overcome such challenges. |
Keywords | psychological measurement; psychometrics; questionnaires; reliability; reproducibility of results; Self-Care of Heart Failure Index |
Year | 2015 |
Journal | Nursing Research |
Journal citation | 64 (2), pp. 140 - 145 |
Publisher | Lippincott Williams & Wilkins |
ISSN | 0029-6562 |
Digital Object Identifier (DOI) | https://doi.org/10.1097/NNR.0000000000000079 |
Scopus EID | 2-s2.0-84925636685 |
Page range | 140 - 145 |
Research Group | Mary MacKillop Institute for Health Research |
Publisher's version | File Access Level Controlled |
Place of publication | United States |
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