Lexicon

/Lexicon/

Accessibility

The ease with which a particular unit of information is activated or can be retrieved from memory (Morewedge and Kahneman, 2010).

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April 7th, 2013|Categories: |Tags: , |

Anchoring effect

The assimilation of a second estimate to an anchor (a value considered during the prior estimate) (Morewedge and Kahneman, 2010).

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April 7th, 2013|Categories: |Tags: |

Associative memory

A network of long-term memory for semantic information, emotions, and goals that is governed by the spread of activation, as determined by the strengths of interconnecting weights (associations) (Morewedge and Kahneman, 2010).

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April 7th, 2013|Categories: |Tags: , |

Cognitive niche construction

Many animals modify their physical environments in order to increase their evolutionary fitness. Common examples include beaver dams and spider webs. This process is known as (ecological) niche construction. Cognitive niche construction is an analogous process by which animals build structures that transform problem spaces in ways that aid thinking and reasoning about some target domain or domains. (Clark 2010)

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January 6th, 2015|Categories: Uncategorized|

Confirmation bias

Testing a hypothesis by considering more evidence that confirms rather than disconfirms it. Usually occurs automatically, without explicit intent to do so (Morewedge and Kahneman, 2010).

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April 7th, 2013|Categories: |Tags: |

Egocentric bias

Overestimating the degree to which one’s perception of the world is accurate and the degree to which others perceive the world as one does (Morewedge and Kahneman, 2010).

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April 7th, 2013|Categories: |Tags: |

Epistemic action

Epistemic actions are ways an agent has of modifying the external environment to provide crucial bits of information just when they are needed most.

Thus, we distinguish pragmatic actions – actions performed to bring one physically closer to a goal – from epistemic actions – actions performed to uncover information that is hidden or hard to compute mentally (Kirsh and Maglio, 1994).

Epistemic actions stand in contrast to pragmatic actions. The latter are actions designed to bring one physically closer to a goal. Walking to the fridge to fetch a beer is a pragmatic action. Epistemic actions may or may not yield such physical advance. Instead, they are designed to extract or uncover information. Looking inside the fridge to see what […]

April 10th, 2013|Categories: |

Epistemic artifact

A tool for thinking. Examples include externalized information representations such as text documents and database records along with graphical tools such as bar charts and geographic maps. Historical examples include petroglyphs used to mark productive hunting and fishing grounds. According to Clark, Dennett, Mithen, et al., the invention and use of epistemic artifacts are central to the explanation of human intelligence and human culture (Sterelny, 2004).

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April 8th, 2013|Categories: , , |Tags: , |

Epistemic feature

As defined here, an information-bearing element of an epistemic artifact (cf. sign). Note the term is intended to refer not only to components of formal sign systems, but any elemental information-bearing pattern, for example a face in a photograph.

April 10th, 2013|Categories: |Tags: , |

Framing effect

Different formulations of the same decision problem elicit different preferences (Morewedge and Kahneman, 2010).

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April 7th, 2013|Categories: |Tags: |