When the sample is a third year student, faculty, and then 4 of 4 percent of the population use method (John, 2554) To determine the size of the sample group, representing 3 percent of the total number of students, grade 4 of each Board with this criteria makes the number of samples has 47 people include business administration, the Faculty of engineering, 19 6 people and 3 people, Faculty of architecture, Faculty of liberal arts 7, then use a simple random sampling method (Simple Random Sampling) on a random sample of all 47 people.
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