... Group Support Systems (GSS) are one means of increasing the efficiency and effectiveness of brainstorming meetings. These electronic systems have been used for meetings in the military (Adkins, Burgoon, & Nunamaker, 2002), business (McCartt & Rohrbaugh, 1995;McGoff, Hunt, Vogel, & Nunamaker, 1990;Nunamaker, Vogel, Heminger, Martz, Grohowski, & McGoff, 1989;Tyran, Dennis, Vogel, & Nunamaker, 1992), and education (Aiken, Sloan, Paolillo, & Motiwalla, 1997;Alavi, 1994), and many studies have demonstrated that these systems can benefit groups in which all participants need to exchange ideas (Chun & Park, 1998;Pervan, 1998). However, the vast majority of these studies have used fewer than 20 group members, with many using fewer than 10 (Fjermestad & Hiltz, 2000;Fjermestad & Hiltz, 1999;Ho & Raman, 1991). ...