“…These studies gave little emphasis to the purposes of laboratory activities, the content being developed, and the complex nature of interactions between teachers and students. Studies conducted by Isom and Rowsey (1986), Raghubir (1979), and Nelson and Abraham (1976) provide support for discussion in conjunction with pre-and post-laboratory activities but do not provide insights into the interactive and cooperative strategies that must emerge if discussions are to be effective in facilitating learning. How do students use knowledge from a laboratory investigation to negotiate meaning in a cooperative learning group?…”