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Fuzzy Set Theory and Applications in Psychology

  • Chapter
Practical Applications of Fuzzy Technologies

Part of the book series: The Handbooks of Fuzzy Sets Series ((FSHS,volume 6))

Abstract

While psychologists have known for some time that people use categories with blurred edges and gradations of membership, the field has been slow to take up ideas from fuzzy set theory and fuzzy logic. Despite critiques and controversies, by the late 80’s fuzzy sets achieved a degree of legitimacy in psychology. This chapter reviews recent developments and the current state of fuzzy set theory and applications in psychology. Beginning with the gradient thesis, it surveys the uses of fuzzy sets in the operationalization and measurement of psychological concepts. The focus then shifts to modeling and data analytic techniques, and ends with a review of psychological theories and frameworks that use fuzzy sets. Because of space limitations, many topics and important works have had to be treated with more brevity than we would have wished, but we have striven for a balanced account of this diverse and still rapidly growing literature.

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Authors
  1. Michael Smithson
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  2. Gregg C. Oden
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Editors and Affiliations

  1. Dept. of Operations Research, Aachen Institute of Technology, Templergraben 64, 52062, Aachen, Germany

    Hans-Jürgen Zimmermann

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Smithson, M., Oden, G.C. (1999). Fuzzy Set Theory and Applications in Psychology. In: Zimmermann, HJ. (eds) Practical Applications of Fuzzy Technologies. The Handbooks of Fuzzy Sets Series, vol 6. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4601-6_17

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