College Classroom Vignettes, a videotape technique used to motivate teachers to change classroom behavior, is discussed. This new application of videotape was undertaken at Northwestern University's Center for the Teaching Professions with funding from the Danforth Foundation. College Classroom Vignettes are videotape records of actual classroom events rather than staged behavior. Tapes were viewed and common occurrences were compiled and matched after which segments were selected and edited. Vignettes were viewed in five- to eight-minute segments alternated with reaction and analysis by viewers. Discussions focused mostly on context; viewers evaluated their views on student teacher interactions in response to concrete examples on tape. Questionnaires were administered to viewers to gather responses to the vignette process. The dissemination phase of the project, funded by the Kellogg Foundation, publicizes the tapes and accompanying written materials and offers training in the skills needed for their effective use. The production of new vignettes through collaboration between vignette staff and faculty at other institutions is also sponsored. (SW)