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en:general:indices [02.04.2015 17:34] – [Frequently Asked Questions] oezbf2012 | en:general:indices [02.04.2015 17:34] – [Frequently Asked Questions] oezbf2012 | ||
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The calculation of a scale index is only sensible if all items reflect the same construct. In practice you can test this by computing the correlation between the items by means of Cronbach' | The calculation of a scale index is only sensible if all items reflect the same construct. In practice you can test this by computing the correlation between the items by means of Cronbach' | ||
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As a rule of thumb Cronbach' | As a rule of thumb Cronbach' | ||