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What is Cronbach’s Alpha? Cronbach’s alpha coefficient measures the internal consistency, or reliability, of a set of survey items. Use this statistic to help determine whether a collection of items consistently measures the same characteristic. Cronbach’s alpha quantifies the level of agreement on a standardized 0 to 1 scale. Higher.

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The formula of this t-test (which is different than the formula used to compare two means) is explained in many websites. What is the acceptable range for Cronbach alpha test of reliability. The formula of this t-test (which is different than the formula used to compare two means) is explained in many websites. What is the acceptable range for Cronbach alpha test of reliability. Four practical strategies have been developed that provide workable methods of estimating test reliability. 1. Cronbach's alpha is a generalization of an earlier form of estimating internal consistency, Kuder–Richardson Formula Although the most commonly used, there are some misconceptions regarding Cronbach's alpha.