Wishful thinking

Wishful thinking is the formation of beliefs and making decisions according to what might be pleasing to imagine instead of by appealing to evidence, rationality, or reality. It is a product of resolving conflicts between belief and desire. Studies have consistently shown that holding all else equal, subjects will predict positive outcomes to be more likely […]

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Stereotype

A stereotype is a thought that may be adopted about specific types of individuals or certain ways of doing things. These thoughts or beliefs may or may not accurately reflect reality. However, this is only a fundamental psychological definition of a stereotype. Within psychology and spanning across other disciplines, there are different conceptualizations and theories of stereotyping that […]

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Labeling theory

Labeling theory is the theory of how the self-identity and behavior of individuals may be determined or influenced by the terms used to describe or classify them. It is associated with the concepts of self-fulfilling prophecy and stereotyping. Labeling theory holds that deviance is not inherent to an act, but instead focuses on the tendency […]

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Inattentional blindness

Inattentional blindness, also known as perceptual blindness, is categorized as a psychological lack of attention and is not associated with any vision defects or deficits. Inattentional blindness is the failure to notice an unexpected stimulus that is in one’s field of vision when other attention-demanding tasks are being performed. It is categorized as an attentional […]

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Not In My Back Yard (NIMBY)

NIMBY (an acronym for the phrase “Not In My Back Yard“), or Nimby, is a pejorative characterization of opposition by residents to a proposal for a new development because it is close to them, often with the connotation that such residents believe that the developments are needed in society but should be further away. Opposing […]

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Other people’s money

A phrase of Adam Smith in The Wealth of Nations (1776) Book V, ch 1, §107, referring to how corporate directors will always be inefficient, because they preside over other people’s money.  Attributed to Milton Friedman as a way of expressing the opinion that the government does not carefully spend taxpayers’ money.

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Tragedy of the commons

The tragedy of the commons is an economics theory by Garrett Hardin, according to which individuals, acting independently and rationally according to each one’s self-interest, behave contrary to the whole group’s long-term best interests by depleting some common resource. The concept is often cited in connection with sustainable development, meshing economic growth and environmental protection, […]

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Bystander effect

The bystander effect, or bystander apathy, is a social psychological phenomenon that refers to cases in which individuals do not offer any means of help to a victim when other people are present. The probability of help is inversely related to the number of bystanders. In other words, the greater the number of bystanders, the […]

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Somebody Else’s Problem

Somebody Else’s Problem (also known as Someone Else’s Problem or SEP) is a psychological effect where individuals/populations of individuals choose to dissociate themselves from an issue that may be in critical need of recognition. Such issues may be of large concern to the population as a whole but can easily be a choice of ignorance […]

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Black swan theory

The black swan theory or theory of black swan events is a metaphor that describes an event that comes as a surprise, has a major effect, and is often inappropriately rationalized after the fact with the benefit of hindsight. The theory was developed by Nassim Nicholas Taleb to explain: The disproportionate role of high-profile, hard-to-predict, […]

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