2.7.3.4 nature of the text. The great questions of questionnaire.2.7.4 improvement questionnaire.After the questionnaire done. The researcher should the questionnaire that review Again to find the defects should be improved. And should provide the expert questionnaire to check that the suggestion and the simple Pak criticism of experts to improve even further.2.7.5 quality analysis questionnaire. The questionnaire had improved and was used with a small sample to effect measures to check the quality of the query. The analysis or check the quality of the questionnaire can in many ways.2.7.6 improve query completion. The researcher must pay fix defects from the quality analysis of the questionnaire. And checking the accuracy of the word or phrase. To make the query is the integrity and quality of the understanding to the point that the researcher needs. The research result is reliable.2.7.7 published questionnaires. Publishing questionnaire improve successfully to actual application in data collection with the target by the publishers should not less than the target number to collect data. And there should be listed in the questionnaire printing of broken or lost, or those without reply.
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