Part-time graduate students in psychology of Nanjing University attend classes in the evening. Studying the part-time postgraduate course of psychology in Nanjing University, students can attend classes through weekend classes or concentrated classes, both of which are face-to-face. The teaching place and specific teaching time are designated by colleges and universities, sometimes during the day and sometimes at night, and the time is not fixed. Weekend classes are generally held on weekends, once every other week, and concentrated classes are mainly held during holidays or winter and summer vacations, with relatively concentrated learning.