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There are many questions on this SE from young researchers who are not sure if they are "good enough" to actually be awarded a PhD because they think their work is not good/novel/innovative/advanced enough. Often times the answer to these questions is "imposter syndrome", especially in cases in which the OP is mentioning the contradicting good feedback from peers/supervisors.

But is the "imposter syndrome argument" applicable in interdisciplinary scenarios where someone trained in field A does his PhD in field B by applying methods from A on problems from B? Peers and supervisors from field B would not be able to really judge the methodology from field A, which could be just very trivial. Same goes for peer reviewers from journals/conferences in field B which would mostly care for a solution to the problem from field B without really being able to judge the method from field A.

Would this justify a PhD anyway or is this "a crack in the system" for actual imposters to get through by applying trivial methods from A which they maybe even don´t fully understand because the actually are not good in their field to problems from B that they don´t even fully comprehend because of no formal training in B?

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    A good supervisor has enough knowledge to check if what you did is appropriate. Of course, there are also a lot of bad supervisors... – user111955 Aug 23 at 16:00
  • @Buffy: Not enough time right now. If you want, do it. – user111955 Aug 23 at 16:16
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Generally, it's hard to be an imposter in any field, interdisciplinary or not. (This includes English, despite what the following XKCD comic suggests.)

enter image description here

If a PhD program is interdisciplinary or encourages interdisciplinary work, then they will likely require PhD candidates to have at least one committee member who is an expert in each discipline. For example, a PhD candidate in English who focuses on connections between medieval art and literature might have two committee members in medieval English literature and a committee member in art history. Each committee member can verify that the parts of the dissertation dealing with their field and subfield and its methods (archival transcription, visual exegesis, close reading, etc.) work well. A good supervisor will ensure the candidate practices due diligence in matching their interests with their committee choices.

Is it technically possible that work will get through where neither the student nor the committee members understand the methodology of the project? Yes, if the supervisor isn't doing their job and the committee members, the student, the chair of the department, and the dean of the graduate school raise no flags. For even a minimal approval process, that is six people (a student, three committee members, a chair, a dean*) who all have to be incompetent or negligent about guiding a PhD candidate through the dissertation.

Less prepared candidates sometimes do get their degree, but usually the minimal expectation that you have someone from each subfield on your committee reduces the likelihood of that occurring. Furthermore, if somehow the department or the school didn't catch on that someone is graduating from a math program with (a) a bioinformatics specialty and (b) no biology or bioinformatics experts in the department or on the committee, the job market provides another degree of scrutiny, as committees look at not only candidates but also what their graduate programs are known for. (Where is your degree from? Is its reputation for interdisciplinary research well-known?) Journal editors provide even more scrutiny, as editors for credible journals are often familiar with the field(s) the publication will enter. None of these checks are foolproof, but they add friction at various stages of approval.

*In my experience, the dean officially approves of a dissertation, but pragmatically it's the person in the dean's office who actually reads the manuscript and checks it for formatting, signatures, and other elements. So, that person.

  • +1, especially for brining in journal editors and reviewers. It might be possible to fool people once or so, but imposters are increasingly likely to be caught. Then their older work is also likely to be scrutinized. – Buffy Aug 23 at 17:47
  • Are you assuming a certain Country? – user111955 Aug 23 at 23:28
  • I am assuming the US or Canada. – TaliesinMerlin Aug 24 at 0:23

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