Methods The method of stratified cluster samping was used to survey 181 music professional college students and 183 non-music professional college students with EPQ-RSC.
方法采用分层整群抽样的方法对音乐专业181名、非音乐专业183名大学生进行艾森克人格问卷简式量表中国版（EPQ-RSC）测查。
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