“…Furthermore, reliance on single observations of group communication has troubled group communication researchers, and the importance of conducting studies over time has been stressed repeatedly (e.g., Bales & Strodtbeck, 1951;Bormann, 1970;Cragan & Wright, 1990;Frey, 1994aFrey, , 1994bPoole, 1983a;Poole et al, 1999). Over-time analysis is especially necessary in studies examining transitions in task groups (Gersick, 1988(Gersick, , 1989, models of group decision development (e.g., Fisher, 1970;Poole, 1983b;Poole & Roth, 1989), and general perspectives on group development related to time (McGrath, 1993;McGrath et al, 1993;Mennecke, Hoffer, & Wynne, 1992).…”