Develop some relevant and intelligent questions, beforehand. Write them down and be prepared to ask them at the appropriate time. Another key component of interview technique is to know your strong points in order to sell yourself effectively. Decide which of your strengths might suit the specific job you are going for a create a sales pitch around these. Re-read your CV before an interview so that you are really familiar with the contents.
CVs often form the basis for the employer's questions.
Dress for success. Look the part of the position you are interviewing for. Be meticulously groomed and take the time to properly organize any paperwork you bring along. Make sure that you arrive on time. Check out the address and parking facilities before the interview date.