Not everything you say in your thesis needs to be supported by a reference. It’s OK to present your own thoughts and observations, and you don’t always have to refer to someone else who’s already said it.
If you want to describe a technique or a theory, try describing it in your own words based on your own understanding and experience.
So instead of saying, “according to Smith, this theory is useful because…”, have the courage to state your own reasons.
You should of course cite sources where appropriate, but you should also include thoughts of your own. The examiners want to know what you think about your subject, not just what you’ve read about it.
PhD: an uncommon guide to research, writing & PhD life is your essential guide to the basic principles every PhD student needs to know.
Applicable to virtually any field of study, it covers everything from finding a research topic, getting to grips with the literature, planning and executing research and coping with the inevitable problems that arise, through to writing, submitting and successfully defending your thesis.
All the text on this site (and every word of every video script) is written by me, personally, because I enjoy writing. I enjoy the challenges of thinking deeply and finding the right words to express my ideas. I do not advocate for the use of AI in academic research and writing, except for very limited use cases.
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