
This SPSS tutorial explains how to test reliability using Cronbach's Alpha in SPSS.
What is reliability and Cronbach's Alpha
Reliability means whether the data are consistent using different instruments to measure the data. One example is the questionnaire design, in which more than one questions are asking the same thing but using different wordings. If the answers are inconsistent then the data has low reliability. Cronbach's Alpha is a common measure for reliability and internal consistency...
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