Preliminary self-test
Please answer the following questions based on your experience:
  1. Over the past two weeks, have you felt depressed or unhappy most of the day?
  2. In the past two weeks, have you been disinterested in anything or had no motivation to do anything most of the time every day?
  3. In the past two weeks, how often have you experienced any of the following? (Multiple options available)
  4. Does the above situation cause obvious trouble to you?
  5. Have the above situations had a significant negative impact on your life, such as studies, work, social life, etc.?

Analyze results