Your visual impression or body language, as well as your attitude, are just as important as what you actually say when it comes to the overall effect you have on others. Enthusiasm, interest level, sincerity, openness and warmth create the "chemistry" that often makes or breaks the hiring decision. Generally, you should be dynamic and friendly. Nodding agreement encourages others to talk and lets them know you understand what is being said. Eye contact is one of the best aspects of body language. It sends a message of trustworthiness and confidence. In our society a firm handshake is a nonverbal message that we are genuinely happy to meet or see the other person. Never sit until asked to do so by an interviewer and when you do, sit erect with both feet on the floor.