Some people -- i.e. introverts -- are uncomfortable talking about themselves and their strengths and accomplishments. Unfortunately that's kinda the point of th

Some people -- i.e. introverts -- are uncomfortable talking about themselves and their strengths and accomplishments. Unfortunately that's kinda the point of the interview. Not sure there's much you can do about that besides (as you suggest) pressing them to answer questions and cutting them some slack for not being super forthcoming.