Why should you use visual aids? 시각자료를 사용하는 이유 How we take in information during a presentation Professor Albert Mehrabian did a lot of research into how we take in information during a presentation. He concluded that 55% of the information we take in is visual and only 7% is text. 캘리포니아 대학의 매라비언 교수에 따르면 우리가 얻는..