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Kuder-Richardson KR20
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andybenn
Mar 22, 2006, 1:50:43 PM3/22/06
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I'm trying to calculate the internal consistency of a scale composed of
dichotomous items (correct or incorrect) for which the KR20 is the
appropriate statistic. The SPSS default is Chronbach's alpha with no option
of KR20. Does anyone know where in SPSS I can do this?
dichotomous items (correct or incorrect) for which the KR20 is the
appropriate statistic. The SPSS default is Chronbach's alpha with no option
of KR20. Does anyone know where in SPSS I can do this?
Many thanks
Andy
Ray Koopman
Mar 22, 2006, 1:56:59 PM3/22/06
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For dichotomies, alpha reduces to KR20.
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