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Autor/in | Alexander, Ralph A. |
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Titel | Correction Formulas for Correlations Restricted by Selection on an Unmeasured Variable. |
Quelle | In: Journal of Educational Measurement, 27 (1990) 2, S.187-89Infoseite zur Zeitschrift |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Correlation; Equations (Mathematics); Mathematical Models; Selection; Statistical Analysis |
Abstract | This note shows that the formula suggested by N. D. Bryant and S. Gokhale (1972) for correcting indirectly restricted correlations when no information is available on the third (directly restricted) variable is accurate only in one special instance. A more general correction formula is illustrated. (SLD) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |