The Effects of Facilitators on the Performance of Brainstorming Groups" by Nicole L. Oxley, Mary T. Dzindolet, and Paul B. Paulus, with Terrell Florence. With businesses continuing to use brainstorming as a tool do you suggest they continue to brainstorm alone or invest in training management in the facilitation of brainstorming? Have you ever experienced evaluation apprehension, free riding, or production blocking in group brainstorming, and do you think the guidelines could have prevented that experience