A list of interesting psychological phenomena.

  • Abilene paradox:
    “A group of people collectively decide on a course of action that is counter to the preferences of many or all of the individuals in the group.”
    Wikipedia.
  • Belief perseverance:
    “Maintaining a belief despite new information that firmly contradicts it.”
    Wikipedia.
  • Bystander effect:
    “Individuals are less likely to offer help to a victim when other people are present.”
    Wikipedia.
  • Cognitive dissonance:
    “The mental discomfort experienced by a person who simultaneously holds two or more contradictory beliefs, ideas, or values.”
    Wikipedia.
  • Conflict of visions:
    “The intuitive feelings that people have about human nature have radically different consequences for how they think about everything from war to justice”
    Wikipedia.
  • Cartesian theater:
    “The view that there is a crucial finish line or boundary somewhere in the brain, marking a place where the order of arrival equals the order of “presentation” in experience because what happens there is what you are conscious of.”
    Wikipedia.
  • Human universals:
    “Features of culture, society, language, behavior, and psyche for which there are no known exceptions. I.e. they are common to all human societies.”
    Wikipedia.
  • Nurture assumption:
    “The misconceived idea that the personality of adults is determined chiefly by the way they were raised by their parents.”
    Wikipedia.
  • Loss aversion and the sunk cost-fallacy:
    “Sometimes known as the “Concorde Fallacy”, referring to the fact that the British and French governments continued to fund the joint development of Concorde even after it became apparent that there was no longer an economic case for the aircraft.”
    Wikipedia.
  • Tragedy of the commons:
    “In a shared-resource system where individual users act independently according to their own self-interest, they behave contrary to the common good of all users by depleting or spoiling that resource through their collective action.”
    Wikipedia.
  • Unscrupulous diner’s dilemma:
    “When 10 people agree to split the bill evenly, they order more expensive stuff because they only have to pay a 10th of the bill.”
    Wikipedia.
  • Wikipedia: Getting to philosophy:
    “Clicking on the first link in the main text of a Wikipedia article, and then repeating the process for subsequent articles, would usually lead to the Philosophy article.”
    Wikipedia.
  • (…)

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