correspondence
Correspondence is based on self-study. Students who choose to study by correspondence have little spare time. Usually, they can study online at home and communicate with teachers through social tools, which is very convenient and the most common way of learning in exams.
layman
Amateur teaching method generally enrolls students in colleges and universities, and arranges classes at night or on weekends, which is suitable for on-the-job candidates to apply. This method is very suitable for people with regular working hours and weekends, and relieves the troubles of many office workers. Everyone does a good job during the day and studies at night, and nothing is delayed. It can be said that it is the best of both worlds.
Free from production or daily work and undertake other tasks.
Full-time study refers to the way to study on campus after taking part in work. Its management mode is the same as that of ordinary colleges and universities, which does not occupy the rest time on Saturday and weekend, and has normal and relatively fixed teaching staff and management requirements for students, and is stable in winter and summer vacations.