Confidence interval formulas for the Spearman-Brown and the two-part coefficient alpha are presented.
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References
1.
CharterR. A. (1996) Note on the underrepresentation of the split-half reliability formula for unequal standard deviations. Perceptual and Motor Skills, 82, 401–402.
2.
CharterR. A. (1997) Confidence interval procedures for retest, alternate-forms, validity, and alpha coefficients. Perceptual and Motor Skills, 84, 1488–1490.
3.
CharterR. A.LarsenB. S. (1983) Fisher's z to r. Educational and Psychological Measurement, 43, 41–42.
4.
FeldtL. S.WoodruffD. J.SalihF. A. (1987) Statistical inference for coefficient alpha. Applied Psychological Measurement, 11, 93–103.
5.
KristofW. (1970) On the sampling theory of reliability estimation. Journal of Mathematical Psychology, 7, 371–377.
