The selection of items with index consistent with values from 0.50 up to and revised on the advice of a qualified person. Each query has an index, which is consistent with the objectives ranged from 0.80 to 1.00, all information collected from questionnaires to complete the analysis of all the results have been returned. 100 percent statistics used in data analysis is the frequency (frequency) percent (percentage), mean (), standard deviation (SD).
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