5. Quality questionnaire
.The questionnaire had improved and was used with small samples The result of this check the quality of the query. The analysis or check the quality of the questionnaire can in many ways, but there are important ways to 2
1.Validity (Validity) is the tool that can be measured in things like wat
2.Reliability (Reliability) means the tools with consistency, that is, the tools built ขึ้นให้ผล exact measurement to measure how many times the constant will again.
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