As such, removal of this item should be considered. This article focuses on the introduction of theory and practice analyzing cronbach s alpha reliability. Cronbachs alpha in spss statistics procedure, output and. It is most commonly used when you have multiple likert questions in a surveyquestionnaire that form a scale and you wish to determine if the scale is reliable.
Download download fiabilidad y validez spss manualread online read online fiabilidad y validez spss manual spss. This article focuses on the introduction of theory and practice analyzing cronbachs alpha reliability. The one exception to this was item 4, which would increase the alpha to. Most items appeared to be worthy of retention, resulting in a decrease in the alpha if deleted. Oct 26, 2017 download download fiabilidad y validez spss manualread online read online fiabilidad y validez spss manual spss. Cronbachs alpha in this tutorial you will learn how to produce a simple and commonly used measure of reliability. Cronbachs alpha is a measure of internal consistency, that is, how closely related a set of items are as a group. Cronbachs alpha is the most common measure of internal consistency reliability. Cronbachs alpha showed the questionnaire to reach acceptable reliability.
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