Ra. Charter, TESTING THE DIFFERENCE BETWEEN 2 OR MORE INDEPENDENT COEFFICIENTS-ALPHA - AN EXAMPLE, Perceptual and motor skills, 84(2), 1997, pp. 464-466
The method for testing the difference between two or more independent
alpha coefficients is provided along with the method for pairwise post
hoc comparisons. These methods have been available for several years,
but apparently have gone unnoticed. An example illustrating the use o
f the formulas is given.