If you don't know the answer to a question, be honest. Use body language to show confidence , interest and respect. Lean forward slightly. Don't sling your ankle over your knee. Carry a portfolio or something similar.
Some people feel more confident going into an interview carrying something.
Your initial contact may be made through e-mail. Immediately acknowledge a physical problem that may be misinterpreted, Ms. Warfield advises. For example, if you have a back problem that requires you to shift in your chair a lot, mention it so your movements aren't seen as fidgeting or boredom. For example, if the person speaks slowly, do likewise. But take care not to go overboard or you'll seem phony.