In the assessment of the internal consistency of an instrument, the present study proposed the Cronbach's alpha's coefficient to be set at 0.5 in the null hypothesis and hence larger sample size is needed. For comparison of two coefficients' of Cronbach's alpha, justification is needed whether testing for extremely low and extremely large effect sizes are scientifically necessary.
No takes yet. Share an insight, caveat, or question.
Bujang et al. (2018) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: