Pls answer all parts for Upvote. IT SHOULD NOT BE PLAGIARIZED ELSE I WILL NOT RATE IT. DONT COPY PASTE IT FROM CHEGG

What are personas and why are they used?

What are the pros and cons of using personas?

Have any researchers used personas in this domain (ie., medical devices) before? If so, what did they do and what did they find? What are your recommendations to the team about using personas in the project (i.e., should they use personas in the project)?