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People tend to judge the probability of an event by finding a ‘comparable known’ event and assuming that the probabilities will be similar. ... Explanations > Theories > Representativeness Heuristic ... The law of small numbers is the assumption people make that a small sample is representative of a much larger population.
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changingminds.org/explanations/theories/representativen...
changingminds.org/explanations/theories/representativeness_heuristic.htm
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The representative heuristic is a cognitive shortcut made when individuals assess the frequency of a particular event based solely on the generalization of a previous similar event.
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www.psychwiki.com/wiki/Representative_Heuristic
www.psychwiki.com/wiki/Representative_Heuristic
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The Representative Heuristic was initially used by Kahneman & Tversky (1973) to describe a phenomenon they discovered whilst conducting research into how people make judgements when they are in ambiguous or uncertain territory.
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ambiguityadvantage.blogspot.com/2008/02/representative-...
ambiguityadvantage.blogspot.com/2008/02/representative-heuristic-problem-solved.html
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Psychological “rule-of-thumb” by which decisions are based upon how representative a particular case seems in reference to some class, group, or sequence of events – for example, judging the likelihood that a specific case belongs to a particular category, that is, an estimation about Instance A being a member...
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www.google.com/notebook/public/09859336497580798442/BDQ...
www.google.com/notebook/public/09859336497580798442/BDQX9IgoQ-_uAj_Mh
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For example, the representative heuristic (Wikipedia) would be like this: “after a report in the media that, for example, black people are x times more likely to commit gun crime (hypothetically), or that muslims are x times more likely to suicide bomb (hypothetically), the representative heuristic will have...
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www.globalvoicesonline.org/2005/10/19/2965/
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First...
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homepages.transy.edu/~philosophy/presentations/hurley6p...
homepages.transy.edu/~philosophy/presentations/hurley6pp/sld007.htm
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E.g. in case of the Conjunction Fallacy ... People are likely to say that itís more likely that a feminist finance student will be a feminist banker ten years from now than say only that she will be a banker regardless of political beliefóeven though the latter is statistically more likely. ... Back to first slide...
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homepages.transy.edu/~philosophy/presentations/hurley6p...
homepages.transy.edu/~philosophy/presentations/hurley6pp/tsld007.htm
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The Availability Heuristic ... This applet below demonstrates the error in judgment called the "availability heuristic". First run the demonstration applet, then read the explanation below. To run the applet, read the instructions in the yellow box, and click the bar in the middle to continue.
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www.uwp.edu/academic/psychology/demos/UTICdemo/UTICdemo...
www.uwp.edu/academic/psychology/demos/UTICdemo/UTICdemo.html
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Encyclopedia Database, News continually updated from thousands of sources on the web. ... The representative heuristic is a heuristic wherein we assume commonality between objects of similar appearance. While often very useful in everyday life, it can also result in stereotyping and false generalisations when used improperly.
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en.encyclopedia.livepress.com/index.php/Representative_...
en.encyclopedia.livepress.com/index.php/Representative_heuristic
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