Mental model
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A mental model is an explanation in someone's thought process for how something works in the real world. It is a kind of internal symbol or representation of external reality, hypothesized to play a major role in cognition and decision-making. Once formed, mental models may replace carefully considered analysis as a means of conserving time and energy. A simple example is the mental model of a wild animal as dangerous: upon encountering a raccoon or a snake, one who holds this model will likely retreat from the animal as if by reflex. Retreat is the result of the application of the mental model, and would probably not be the immediate reaction of one whose mental model of wild animals was formed solely from experience with similar stuffed toy animals, or who had not yet formed any mental models about wild raccoons or snakes.
The term is believed to have been originated by Kenneth Craik in his 1943 book The Nature of Explanation. After the early death of Craik in a bicycle accident, the idea was not elaborated on until much later. Before Craik, Georges-Henri Luquet had already developed this idea to some extent: in his seminal book Le dessin enfantin (Children's Drawings), published in 1927 by Alcan, Paris, he argued that children obviously construct internal models, a view that influenced, among others, Jean Piaget.
Two books, both titled Mental Models, appeared in 1983 [2]. One was by Philip Johnson-Laird, a psychology professor at Princeton University. The other was a collection of articles edited by Dedre Gentner and Albert Stevens. The first line of this book helps explain the idea further: "One function of this chapter is to belabor the obvious; people's views of the world, of themselves, of their own capabilities, and of the tasks that they are asked to perform, or topics they are asked to learn, depend heavily on the conceptualizations that they bring to the task." See Mental Models (Gentner-Stevens book). Since then there has been much discussion and use of the idea in human computer interaction and usability by people such as Donald Norman and by Steve Krug in his book Don't Make Me Think. Walter Kintsch and Teun A. van Dijk, using the term situation model (in their book Strategies of Discourse Comprehension, 1983), showed the relevance of mental models for the production and comprehension of discourse.
Researchers who study mental models
- Ruth Byrne
- Dedre Gentner
- Philip Johnson-Laird
- Stephen J. Payne, Internet Archive version
- Walter Kintsch
- Teun A. van Dijk
- Norbert M. Seel
Software
References
- Georges-Henri Luquet: "Children's Drawings", Free Association Books, 2001, ISBN 1-85343-516-3 (paperback)
- Robles-De-La-Torre G. & Sekuler R. : "Numerically Estimating Internal Models of Dynamic Virtual Objects", 2004, in: ACM Transactions on Applied Perception 1(2), pp. 102-117.
See also
- Cognitive psychology
- Cognitive map
- Educational psychology
- abstract model
- Neuro-Linguistic Programming
- Knowledge representation
- System Dynamics
- Conceptual Model
External links
- Mental Models and Usability
- Mental Models and Reasoning Laboratory
- What's Your Idea of a Mental Model?
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
