A Study of Student Reaction to Overhead Projection of Map Concepts

More often than not, the most conspicuous teaching device in any college or university classroom is the overhead projector. It has become so essential to many instructors that it remains in the room as a permanent fixture. But how effectively do transparencies projected onto a screen convey the ideas that we want to teach? For example, does overhead projection of map images enhance the learning of map concepts? Or would chalkboard sketches of map symbols, elevation contours and so forth be a more receptive teaching medium?