Reliabilit with precision. Measure how many times were the same. Attitudes should be fixed, if nothing more RA compound. Finding the confidence of a query. Using Cronbach's alpha-cofficient Alpha value that is used should be less than 0.6 if it should update the questionnaires or might cut some leaves (Aplha if Item Deleted).Analysis with SPSS Cronbach's coefficient Alpha values Is greater than 0.7 indicated that scale or measurement is reliable or Alpha coefficients Cronbach ' s? There is a value closer to 1, it will be considered a scale or measuring instrument with a very high reliability.
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