Reliability for the Law of Comparative Judgment
- 1 June 1958
- journal article
- research article
- Published by Cambridge University Press (CUP) in Psychometrika
- Vol. 23 (2) , 95-110
- https://doi.org/10.1007/bf02289008
Abstract
A variance-components analysis is presented for paired comparisons in terms of three components: s, the scale value of the stimuli; d, a deviation from the linear model specified by the law of comparative judgment; and b, a binomial error component. Estimates are given for each of the three variances, σs2, σd2, and σb2. Several coefficients, analogous to reliability coefficients, based on these three variances are indicated. The techniques are illustrated in a replicated comparison of handwriting specimens.Keywords
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