The internal motivation is further divided into interest, sense of achievement, responsibility, opportunity for advance, and self-perfection.
内部动机可进一步分为兴趣，成就，责任，寻求学习机会和自我完善；
2
Except the tendency of comparing with others, there were significant differences in the other 4 dimensions and total tendency of self-perfection among different grades.
除与人比较的倾向维度其余4个维度及自我完美主义倾向总体在年级上存在显著差异。
3
Specialists were invited to verify the listed questions, and then the items were mixed and arranged randomly to form the 43-item self-perfection questionnaire for undergraduates.