I remember one time a hiring board said a certain candidate was not honest, because they didn't tell an interviewer he asked the same question and earlier interview did. I said candidates usually think that whatever interviewers do is intentional, not that they accidently asked the same question.
I agree. People do get nervous.
I just take things into account, and it ranges from appearance of clothing, to knowledge of a subject to personal appearance or behavior. I factor in clothing, grooming, etc.
I don’t see a problem doing that.
I was being interviewed by several people at once for a position. One of them asked what my strongest trait was.
I said, “My humility. Let me tell you just how strong my humility is. I’m so humble that …”
One of the interviewers sprayed his Coke across the table.
I got the job.