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Volume 05, 1981 >
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| Title: | A Cautionary Note on Estimating the Reliability of a Mastery Test with the Beta-Binomial Model |
| Authors: | Wilcox, Rand R. |
| Issue Date: | 1981 |
| Citation: | Wilcox, Rand R. (1981). A Cautionary Note on Estimating the Reliability of a Mastery Test
with the Beta-Binomial Model. Applied Psychological Measurement, 5, 531-537. doi:10.1177/014662168100500411 |
| Abstract: | Based on recently published papers, it might be
tempting to routinely apply the beta-binomial
model to obtain a single administration estimate of
the reliability of a mastery test. Using real data, the
paper illustrates two practical problems with estimating
reliability in this manner. The first is that
the model might give a poor fit to data, which can
seriously affect the reliability estimate, and the second
is that inadmissible estimates of the parameters
in the beta-binomial model might be obtained.
Two possible solutions are described and illustrated. |
| Permanent URL: | http://purl.umn.edu/100425 |
| Appears in Collections: | Volume 05, 1981
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