Should a Dissertation Be Written in the First Person?

Formality — A dissertation is a formal document. Writing in the first person singular is preferred, but remember that you are writing a scientific document not a child's diary. Don't use informal abbreviations like "don't".

What tense should a dissertation be written in?

Also recognize that dissertations require both past and present tense, says Bikos. Use past tense for the introduction, method and results sections; use present tense for your discussion. Additionally, feel free to use words like, "I" and "we," Bikos notes. You did all the research, after all.

Can I say I in my dissertation?

As a PhD thesis is individually written, using “ I” is appropriate. And the full thesis ideally should be written in personal style. However, some universities prefer impersonal style of writing.