Students attending a lecture usually have a wide range of prior knowledge about the topic in question. Rather than seeing this as a problem, lecturers can take advantage of such differences. This article shows how students' misconceptions about old age were used to inform a lecture on the topic. Prior knowledge can thus be used to aid teaching and…

Assesses students' concepts of aging at the beginning, middle, and end of a psychology of aging course. Results show students' knowledge reflected stereotypes in the beginning, but during the course, new concepts appeared. Claims instructors can benefit from using this technique to plan and assess success of course goals. (Author/NL)