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5 Ιουν 2012 · The theoretical and practical significance of subjective probability has inspired psychologists, philosophers, and statisticians to investigate this notion from both descriptive and prescriptive standpoints.
Presents a new theory of subjective probability according to which different descriptions of the same event can give rise to different judgments. The experimental evidence confirms the major predictions of the theory.
1 Οκτ 1994 · Support theory argues that the judged probability of an event increases by unpacking that event (Tversky and Koehler, 1994). For example, describing the specific...
Support theory represents probability judgment in terms of the support, or strength of evidence, of the focal relative to the alternative hypothesis. It assumes that the judged probability of an event generally increases when its description is unpacked into disjoint components (implicit subadditivi ….
In this theory, judged probability is expressed as normalized support, or strength of evidence, of the focal hypothesis relative to the alternative. The theory is nonextensional because alternative descriptions of the same event can give rise to different judgments.
1 Ιαν 2016 · Tversky returned to the study of judgment and in his work on support theory (Tversky and Koehler 1994), a theory of probabilistic judgment that formally distinguishes between events in the world and the manner in which they are mentally represented.
Support theory is a descriptive representation of subjective probability originally proposed by Tversky and Koehler (1994) and later revised by Rottenstreich and Tversky (1997).