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This article revisits a conceptual definition of “mental models of dynamic systems” proposed for use in system dynamics research by Doyle and Ford and commented on by Lane. Lane's proposed amendments to the definition are discussed in turn, with particular attention to the history and appropriate use of the term “cognitive map.” A revised definition informed by Lane's commentary is offered. Copyright © 1999 John Wiley & Sons, Ltd.
Doyle et al. (Fri,) studied this question.