Literaturnachweis - Detailanzeige
Autor/in | Aiken, Lewis R. |
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Titel | Relationships between the Item Difficulty and Discrimination Indexes. |
Quelle | In: Educational and Psychological Measurement, 39 (1979) 4, S.821-24Infoseite zur Zeitschrift |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Correlation; Item Analysis; Statistical Significance; Tables (Data) |
Abstract | The dependence of item discrimination index (D) on item difficulty index (p), and the relationship of D and p to the phi coefficient are delineated. A table of critical values of D significant at the .10 and .05 levels, with p ranging from .10 to .90, is presented. (Author/CTM) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |