1. Document retrieval: use library database, online database and search engine (such as GoogleScholar) to find research documents related to the subject.

2. Questionnaire survey: Design a questionnaire to collect the opinions and opinions of the participants. You can use online survey tools (such as SurveyMonkey, Qualtrics, etc. ) or a paper questionnaire.

3. Interview: Face-to-face or telephone interview with experts, researchers or industry practitioners to gain more in-depth insights and information.

4. Observation: Observe the actual situation, collect data and understand the phenomenon.

5. Experimental method: By setting up the control group and the experimental group, a double-blind, randomized controlled experiment was conducted to verify the research hypothesis.

6. Case study: conduct in-depth research on specific individuals, organizations or events to reveal their characteristics and laws.

7. Data analysis: using statistical software (such as SPSS, R, Excel, etc.). ) Analyze the collected data and get the research results.

8. Content analysis: qualitative or quantitative analysis of text, images or videos to extract themes, viewpoints and patterns.

9. Network analysis: use network analysis methods (such as Gephi, NodeXL, etc. ) to analyze social networks and relational networks.

10. Mixed method research: combining qualitative and quantitative methods to obtain more comprehensive and in-depth research results.

1 1. Mind mapping: Use mind mapping tools (such as XMind and MindManager). ) to sort out ideas and build a research framework.

12. conferences and seminars: participate in academic conferences and seminars in related fields and exchange research results and experiences with peers.

13. Project management tools: Use project management tools (such as Trello and Asana). ) to plan and track the progress of the project research.

14. Collaboration platform: Use collaboration platforms (such as GoogleDocs, MicrosoftTeams, etc.). ) Share information, discuss problems and revise papers with team members.