1. Research design: The third author needs to participate in the discussion and formulation of the research design, including the determination of research objectives, research methods, data collection and analysis, etc.
2. Data collection and analysis: The third author needs to be responsible for the collection and analysis of some data to ensure the accuracy and integrity of the data.
3. Paper writing: The third author needs to participate in the writing of the paper, including writing some chapters, revising and perfecting the content of the paper, and ensuring the logic and consistency of the paper.
4. Paper revision and evaluation: The third author needs to participate in the revision and evaluation of the paper, and carefully check and modify the content, format and language of the paper to ensure the quality of the paper.
5. Academic exchange: The third author needs to participate in academic exchange activities, such as attending academic conferences, making academic reports, showing research results, getting feedback and improving research level.
6. Project management: If the project is relatively large, the third author may also need to participate in project management, such as coordinating the work of team members, managing the research progress and solving problems in the research.
7. Ethical review: If the research involves human or animal experiments, the third author needs to participate in the ethical review to ensure the legitimacy and morality of the research.
Generally speaking, the responsibilities of the third author in the process of writing papers are various, including both specific research work, writing and revising papers, and academic exchange and management.