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| Autor/inn/en | Brown, Joel M.; Weiss, David J. |
|---|---|
| Institution | Minnesota Univ., Minneapolis. Dept. of Psychology. |
| Titel | An Adaptive Testing Strategy for Achievement Test Batteries. Research Report 77-6. |
| Quelle | (1977), (60 Seiten)
PDF als Volltext kostenfreie Datei |
| Dokumenttyp | gedruckt; online; Monographie |
| Schlagwörter | Achievement Tests; Adaptive Testing; Branching; Comparative Analysis; Computer Assisted Testing; Computer Oriented Programs; Correlation; Fire Fighters; Item Analysis; Military Personnel; Postsecondary Education; Simulation; Statistical Analysis; Tables (Data); Test Length |
| Abstract | An adaptive testing strategy is described for achievement tests covering multiple content areas. The strategy combines adaptive item selection both within and between the subtests in the multiple-subtest battery. A real-data simulation was conducted to compare the results from adaptive testing and from conventional testing, in terms of test information and test length. Data for the simulation consisted of test results for 365 Navy fire control technicians on a paper-and-pencil administration of a 232-item achievement test divided into 12 subtests. Correlations between subtest scores from adaptive and conventional testing were .90 or higher for 11 of the 12 content areas. An information analysis showed that for all 12 subtests, the information curves from adaptive testing were essentially identical to the corresponding subtest curves from conventional testing. The number of items administered with adaptive testing was half that required with conventional testing; the shortest adaptive test battery used 18% of the total number of items in the conventional test, while the longest used 80%. The adaptive testing strategy, therefore, provided a considerable reduction in test length and virtually no loss in precision of measurement when compared with the conventional administration of the same test battery. (EVH) |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
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