When you use someone else’s survey
Be certain to provide data regarding the reliability of someone else’s survey that you used in your dissertation. For example, Cronbach's (alpha) is a coefficient of internal consistency commonly used as an estimate of the reliability of a test or instrument. If possible, you should provide detail regarding the validity of someone else’s survey. For example, to ensure construct validity evidence would involve the empirical and theoretical support for the interpretation of the construct. This type of validation includes statistical analyses of the internal structure of the test including the relationships between responses to different test items. This could also include relationships between the test and measures of other constructs. For example: “In a study using Smith’s survey instrument, value of the Cronbach’s (alpha) coefficient was found to be a.b, verifying reliability of the instrument (XXX, date, p. yy).”
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