“…Through simulation it is possible to develop scenarios of system behaviour for a variety of concerns, such as human computer interaction (Carroll, 2000), software development (Abdel-Hamid, Madnick, and Sloan School of Management. Center for Information Systems Research., 1988) and requirements engineering (Carroll, 2002;Filippidou and Loucopoulos, 1997;Potts, Takahashi, and Anton, 1994). A common feature of scenarios in all these domains is their use in examining alternative future situations.…”