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The earlier two-sample procedure of Feldt 1969 for comparing independent alpha reliability coefficients is extended to the case of K ≥ 2 independent samples. Details of a normalization of the statistic under consideration are presented, leading to computational procedures for the overall K -group significance test and accompanying multiple comparisons. Results based on computer simulation methods are presented, demonstrating that the procedures control Type I error adequately. The results of a power comparison of the case of K = 2 with Feldt’s 1969 F test are also presented. The differences in power were negligible. Some final observations, along with suggestions for further research, are noted.
Hakstian et al. (Tue,) studied this question.