Pause at the door, smile at the interviewer and walk through decisively. You are aiming to appear personable and warm, as well as business-like.

Transfer any coat, briefcase or handbag into your left hand to leave your right hand free ready to shake hands confidently with the interviewer.

Handshakes
Be aware of your handshake. Avoid bonecrusher or limp/dead-fish handshakes. If you have a tendency to sweat or have cold hands, make sure you have wiped your hands or warmed them up before you enter the room. Use a firm handshake. Hold out your hand horizontally so that your palm meets the other person's at the same angle.

Remember that a handshake can give you a lot of information about someone. Notice how the interviewer offers their hand. When they clasp it, do they turn your hand so that their palm is facing down, putting themselves in the dominant position? Do you both walk towards each other into each other's personal space equally or do they pull you towards them? Do they release your hand first and push it away? Are they relaxed or nervous? Is their hand warm, cold, dry or damp? Is their arm fully extended or relaxed? Do they touch you with their other hand?

Eye contact
Make eye contact with your interviewer(s) when listening. If there is more than one interviewer, make sure you make equal eye contact with both. Remember that too much eye contact can seem aggressive, so scan the upper triangle of the face (from the eyes to the forehead), rather than stare directly into the other person's eyes without interruption. Break your eye contact when you are thinking of an answer. It looks natural.