Confidence (Reliability) with precision. Measure how many times were the same (if it is an. How many times, to answer inquiries. If you don't see the book) is a constant attitude should be, if nothing more RA compound. Finding the confidence of a query. Using alpha coefficient (alpha-cofficient) of the cross, naba (Cronbach) should be greater than 0.6 alpha value that is used if it is less than it should improve the questionnaire, or they may 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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