While a voluminous lecture hall can present obstacles to effective teaching and learning, large classrooms containing more than 100 students also present teaching opportunities. The lecture hall offers an excellent arena for demonstrating concepts that lend themselves to demonstrations and something this author refers to as "group performances."…

Visual learning has long been recognized as an integral process in educating biology undergraduates, who must develop specific visual skills and knowledge in order to communicate and work in the extensive visual culture shared by practicing biologists. Student experiences with field observations and the development and application of verbal/visual…

One aim of this study was to identify, in a group of unsuccessful college level problem solvers, the status and use of their declarative knowledge as revealed by students' attempts to solve novel problems in a pencil-and-paper setting. It was hypothesized that for some unsuccessful problem solvers, their problem representation could be improved by…