This study investigated differences between communication behaviors of small groups trained in Creative Problem-Solving and groups not trained in creative problem-solving. Communication behaviors investigated were: amount of participation; verbal indications of criticism; verbal indications of support; verbal indications of humor; and nonverbal indications of humor. Groups were also evaluated on the quantity of ideas generated. Results indicated that groups trained in creative problem-solving participated more, criticized ideas less, supported ideas more, exhibited more verbal and nonverbal indications of humor, and produced significantly more ideas than untrained groups.

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