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Anyway, when answering a question do you say "Well I am a doctor and I think this"? Personally, I think that is kind of childish. If your advice doesn't stand on it's own merits then you need to write better answers. Also, if the person you are talking to needs to hear your credentials to take you seriously you probably don't want them taking you seriously.You can also see some counter arguments there, if you are interested. It is worth adding that I am an advocate of full openness about ones identity. My qualifications, such as they are, are only a few clicks away.
I know sometimes checking their user profile may give you more info about them or the pertinent personal information is given in their post, but the tendency to modesty in certain types of questions makes some reluctant to give their credentials for answering the question. In this answer a poster did give their qualifications and allowed the reader to give appropriate weight to their suggestions.
Maybe a [q: reason] ("q" meaning qualifications) at the bottom of the post when applicable could become an accepted part of AskMeFi. For example in this writing thread, a [q: have written ten novels, one appeared on New York Times Best Sellers List] and [q: write as a hobby] may help with evaluation of the answers.
If it became an accepted norm there would be no worries about coming off as some kind of egotist.
posted by meech at 12:27 PM on November 28, 2005