AIM: To study the effects of different physical exercise item, intensity and time on anxiety, depression and self concept of college students.

目的：研究不同锻炼项目、强度和时间对大学生焦虑、抑郁及自我概念的影响。

youdao

Owing to the effect of social and environmental factors, the college students nowadays come across self-obstacles in the psychology and physiology, which influence their study.

现代大学生由于受社会、环境等因素的影响，出现自我生理、心理等障碍，严重地制约着学业的完成。

youdao

College students tend to choose self-study places library study room, because of the large number, there will be some uncivilized phenomenon.

高校大学生的自习场所往往都选择图书馆自习室，由于人数众多，难免会出现一些不文明的现象。

youdao

When researchers tried to lift the grades of struggling college students by raising their self-esteem, the students' grades got worse, according to a 2007 study of 86 students published in the Journal of Social and Clinical Psychology.

WSJ: The Right Level of Self-Esteem for a Child