It is very easy as human beings to make decisions about another person without really getting to find any information about that person. That is why it is crucial to give an interview with a clear and unbiased state of mind. There is one example that contrasts that train of thought and that is personal appearance. There is much to be said about first impressions so for example a person seeking a management job at a law firm comes into the interview wearing a G-string bathing suit and has green hair, you know that person will not fit into atmosphere. There are, however, many other issues that can undermine an interview.
Snap judgments are a problem that faces interviewers when conducting an interview.
Snap judgments usually occur in the first couple of minuets or even before an interview takes place. Being completely unbiased can be a difficult part of giving an interview but it is also a very important one. Make decisions on a person after the interview is over when all the facts are in. Make the decision based on the qualifications and the responses that the candidate gives and not on how good looking the person is. In other words, interviewers search for negative aspects and not the positive ones.