“…1). Note that there is not just one decision to make, i.e., a choice between exit and voice, but two (Barry, 1974;Birch, 1975;Graham, 1986;Kolarska & Aldrich, 1980;Laver, 1976;Spencer, 1986): one for exit and one for voice. Exit and voice are conceptually distinct, but that does not make them mutually exclusive forms of behavior.…”