Describes a three-day communication skills seminar in which participants are exposed to nonverbal communication, theories of speaking and practice, and group dynamics training. Emphasizes the positive effects of using videotape recordings as instructional aids. (RL)

Fifty-nine inservice teachers in grades 1 through 12 took "Minicourse 20: Divergent Thinking," a course training teachers to use brainstorming to stimulate divergent thinking in students. Tapes of brainstorming sessions were made before, after, and seven weeks after the course ended. Experimental teachers improved significantly more than controls…