Creativity and its Criteria
1997/01/01 by Daniel McNeish, V. V. Vidwans, Punam Bhat +1 · 1 voice · 40 citations
Decision Sciences · Psychology · #Creativity in Education and Neuroscience #Decision-Making and Behavioral Economics #Mental Health Research Topics #Psychometric Methodologies and Testing
paper · doi:10.1037/met0000144
openalex publication_date 1997/01/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/06/11
Abstract
Empirical studies in psychology commonly report Cronbach's alpha as a measure of internal consistency reliability despite the fact that many methodological studies have shown that Cronbach's alpha is riddled with problems stemming from unrealistic assumptions. In many circumstances, violating these assumptions yields estimates of reliability that are too small, making measures look less reliable than they actually are. Although methodological critiques of Cronbach's alpha are being cited with increasing frequency in empirical studies, in this tutorial we discuss how the trend is not necessarily improving methodology used in the literature. That is, many studies continue to use Cronbach's alpha without regard for its assumptions or merely cite methodological articles advising against its use to rationalize unfavorable Cronbach's alpha estimates. This tutorial first provides evidence that recommendations against Cronbach's alpha have not appreciably changed how empirical studies report reliability. Then, we summarize the drawbacks of Cronbach's alpha conceptually without relying on mathematical or simulation-based arguments so that these arguments are accessible to a broad audience. We continue by discussing several alternative measures that make less rigid assumptions which provide justifiably higher estimates of reliability compared to Cronbach's alpha. We conclude with empirical examples to illustrate advantages of alternative measures of reliability including omega total, Revelle's omega total, the greatest lower bound, and Coefficient H. A detailed software appendix is also provided to help researchers implement alternative methods. (PsycINFO Database Record
Citations
- Estimating ordinal reliability for Likert-type and ordinal item response data: A conceptual, empirical, and practical guide
- Scale Reliability, Cronbach's Coefficient Alpha, and Violations of Essential Tau-Equivalence with Fixed Congeneric Components
- THE THEORETICAL FOUNDATIONS OF PRINCIPAL FACTOR ANALYSIS, CANONICAL FACTOR ANALYSIS, AND ALPHA FACTOR ANALYSIS
- The Rediscovery of Bifactor Measurement Models
- Coefficients Alpha, Beta, Omega, and the glb: Comments on Sijtsma
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- On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha
- My Current Thoughts on Coefficient Alpha and Successor Procedures
- Coefficient Alpha and the Internal Structure of Tests
- The Performance of RMSEA in Models With Small Degrees of Freedom
- The moderator–mediator variable distinction in social psychological research: Conceptual, strategic, and statistical considerations.
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