I'm thinking specifically of a faculty member at my university -- I don't know how she refers to herself, but I was in a conversation with some other students recently, and they believed that this professor could refer to herself as a "clinical psychologist" but not as a "licensed psychologist." I know that in other states where I've lived, clinicians on post-doc had to refer to themselves as "post-doctoral fellows" despite having a doctoral degree in clinical psychology, which is why I always assumed that clinical psychologist was a protected term. It might be a state specific situation, and it might be the case that since this professor is not serving in a clinical role, she can describe herself as a clinical psychologist?