In every interview you must be completely prepared - go in fully researched, rehearsed, and ready to serve.  You must demonstrate your ability to do the job better than your competition!

• Telephone Screening - Your goal is to avoid being eliminated and move on to the face-to-face interview.
• One-One - You may have several face-to-face interviews but treat each one as if it were the first.
• Behavioral & Competency Based - This is a popular style of interviewing in which interviewers are looking for evidence of competencies and essential functions for the position.  Competencies are capabilities, skills, and talents that make the behavior easy or enjoyable to perform.  Interviewers are looking for behaviors that are equated with success. Behavioral interview questions allow for a structured, logical conversational style.  These questions often begin with tell me, describe, give me an example, how have you, when have you, how did you.  
• Situational - You will be asked what you would do in certain circumstances.  You may be asked to demonstrate or describe how you would handle situations relevant to the position
• Stress - Designed to test your coping skills with the assumption that you will react in a similar many on the job.  You need to stay calm and cool.
• Committee - You will be interviewed by two or more individuals at the same time.  Prepare thoroughly.  Glance at your notes and take notes so that it seems like you are in a business meeting.
• Group - A group of candidates will meet and be given a variety of individual and / or group tasks.  You need to look like a leader or a professional who stands out in a crowd.
• Simulation - You may be asked to complete a situational judgment test, case study, or demonstration.  These give you the opportunity show how well you can do the job.
• Videoconference - You should wear solid colored clothes and avoid noisy jewelry.  Use a light dusting of face powder to eliminate any oily shine.  Look directly into the camera and allow for lag time from data compression and transmission.  Relax, look comfortable, and enjoy the process.  If the company is comfortable using videoconferencing, they looking for an employee who is equally comfortable with it.
• Lunch / Dinner - Your social skills are of interest to the interviewer who takes you to lunch or dinner.