In Unit 1, Professor Guide mentioned 6 scientific methods that are potentially useful for problem analysis. For the ease of reference, they are reproduced below:

analytic method
Socratic dialogue
cause analysis
questionnaires
observation
brainstorming

Since they are extremely important to your project, the English Corner people in Beijing have organized a panel discussion on them. Wing Ling is the chief organizer. The panelists are: Professor Guide, Dr. Willes, Steve, Song Qin and Li Yue.