Results on the Standard Error of the Coefficient Alpha Index of Reliability, Marketing Science
In this research, we investigate the behavior of Cronbach's Coefficient alpha and its new standard error. We systematically analyze the effects of sample size, scale length, strength of item inter-correlations, and scale dimensionality. The paper concludes with "Best Practices" recommendations.
Adam Duhachek, Anne Coughlan, Dawn Iacobucci
Duhachek, Adam, Anne Coughlan, and Dawn Iacobucci. 2005. Results on the Standard Error of the Coefficient Alpha Index of Reliability. Marketing Science. 24(2): 294-301.