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CAT Cronbach's Alpha/Ushahidi
Rekodi ya ushahidi wa mbinu

CAT Cronbach's Alpha

Cronbach's alpha applied to computerized adaptive test (CAT) data estimates internal consistency reliability under the special condition that different examinees receive different subsets of items. Because the classic formula assumes every respondent answers the same items, its direct application to CAT data violates core assumptions and typically underestimates or misrepresents true reliability, requiring careful adaptation or replacement with IRT-based reliability indices.

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Computerized Adaptive Test Cronbach's Alpha
Rekodi ya mbinu ya kiajenda · latent-structure / psychometrics
  • Green, B. F., Bock, R. D., Humphreys, L. G., Linn, R. L., & Reckase, M. D. (1984). Technical guidelines for assessing computerized adaptive tests. Journal of Educational Measurement, 21(4), 347–360. · DOI 10.1111/j.1745-3984.1984.tb01039.x
  • Weiss, D. J. (1982). Improving measurement quality and efficiency with adaptive testing. Applied Psychological Measurement, 6(4), 473–492. · DOI 10.1177/014662168200600408
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Used in the same domainComputerized Adaptive Testingmachine-suggested · Relational suggestion, not evidence.Same method familyCronbach's Alphamachine-suggested · Relational suggestion, not evidence.Taxonomic bucketItem Response Theorymachine-suggested · Relational suggestion, not evidence.

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