“…In particular, bioethicists take the position that ethical action requires the therapist, as the link between knowledge and action, to engage in a self-conscious process of "principled decision making" Also common early in training is exposure to various models of therapy and of how families function (Barker, 1998;Brown, 1999;De Shazer et al, 1986;Israelstam, 1988;James & MacKinnon, 1986;MacKinnon, 1983;MacKinnon & James, 1987;Minuchin, 1974;White, 1986), as well as to the history of the field-its rich evolution and continuing diversification in the wake of Gregory Bateson's landmark work roughly half a century ago (Bateson, 1979(Bateson, , 2000. His communication model triggered the development of many others, including the structural, strategic, problem-focused, solution-focused, feminist, constructivist, and narrative models, among others.…”