Sit up straight to project confidence. According to College Grad article "The Most Important Interview Non-verbals," leaning slightly forward shows others you have power potential, or the ability to take charge of your life and finish important projects. Even though your interviewers can't see your posture, they can hear confidence in your voice. Good posture can help you pay attention to your words. Self-confident people appeal to colleges because they have the potential to excel in their studies.
Focus on your words. Avoid using fillers that include um, like, well and really. Your interviewers want facts, inspirational anecdotes and interesting experiences that can tell them who you are. Keep a bottle of water nearby to avoid a parched throat that can make your voice break. Speak in a clear, steady voice to show you're confident and can project yourself in conversation. Interviewers want to know if you can express yourself well and contribute to class discussion.
Keep a positive attitude. Think before you speak. This can help you avoid putting yourself in a bad light. Before the interview, focus on positive things from your past. Your attitude will rub off on your answers to interview questions.