Fourth, questionnaire design and the validity of the previous letter<br>According to the above-mentioned qualitative interview data collection, research structure and collection of relevant literature data, the preliminary design of the draft questionnaire, followed by 30 questionnaire pre-test, this by the confidence analysis results, learned that Cronbach alpha value between 0.981 to 0.928, indicating that the questionnaire has a very high stability and consistency; THE KMO VALUES ARE ABOVE 0.8, INDICATING THAT THIS STUDY QUESTIONNAIRE IS OF EXCELLENT VALUE. And with the guidance professor, experts and students to discuss and analyze in detail, gradually revise before the design to complete the formal questionnaire.
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