Psychology Dictionary of Arguments

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Similarity: Similarity is the conformity of one or more - but not all - properties of two or more objects. See also Identity, Equality, Properties, Predicates, Predication, Identification, Descriptions.
Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments.

Author Concept Summary/Quotes Sources

Cognitive Psychology on Similarity - Dictionary of Arguments

Gärdenfors I 35
Similarity/Domain/Cognitive psychology/Gärdenfors: on the analysis of dimensionality of perception structures: Shepard (1987)(1) Thesis: as soon as perception is related to a certain domain or can be structured by similarity, mathematical techniques (e.g. multidimensional scaling (Kruskal, 1964)(2) or principal component analysis) can be applied to create a room with little dimensions with which similarity structures can be representend. Similar judged objects can be located at closer points. In this way, many perception spaces were identified (see Shepard 1987, p. 1318).
>Conceptual space.

1. R. N. Shepard (1987). Toward a Universal Law of Generalization for Psychological Science. Science 11 Sep 1987 Vol 237, Issue 4820 pp. 1317-1323
DOI: 10.1126/science.36292
2. J. B. Kruska (1964). Multidimensional scaling by optimizing goodness of fit to a nonmetric hypothesis.Psychometrika, 1964,29, 1–27.

Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments
The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.
Cognitive Psychology
Gä I
P. Gärdenfors
The Geometry of Meaning Cambridge 2014

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