Described is a method of lecturing in which the lecture period is divided into a number of segments. Only some segments involve the lecturer talking. In others students discuss topics or complete exercises. An example of such a lecture on aspects of Christaller's central place theory is described. (Author/RM)

Offers one example of a lecture that can build on personal research experience to demonstrate the ways in which attitudes of categories influence the focus, design, and outcomes of research projects. Provides some suggestions for further developing the lecture material in a post-lecture tutorial session and/or assignment. (CMK)