Of the 200 valid questionnaires, 162 students, accounting for 81% of the total number of students who have heard about the concept of non-encounter, but 134 students have vague cognition of the concept of non-encounter, accounting for 67% of the total number of students, overall cognition<br><br>The level is low. Tourism management students have a non-choice awareness of 3.5, which is the most willing group of all majors. The Cognition of Economics, Industrial Design, Marketing and Computer<br><br>Significantly lower than the mean 3, it can be seen that the overall cognitive level of college students are lower, and the cognitive differences between college students in various majors are large.
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