18 Dec 2025, 15:52 UTC≈6,550 views72 reactionsread 13 August 2026 False premise
A false premise is a mistaken starting assumption. You can build a long chain of reasoning where every step is logically correct, yet the argument is still unsound—because it inherits that original mistake.
Example (false premise): “For any two people, the one who talks more during a conversation is more knowledgeable about the topic.”
Follow it logically and you get: the most talkative person is the …
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11 Jun 2025, 10:44 UTC≈10,300 views88 reactionsread 13 August 2026 Ben Franklin effect
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The Ben Franklin effect is a proposed psychological phenomenon: a person who has already performed a favor for another is more likely to do another favor for the other than if they had received a favor from that person. An explanation for this is cognitive dissonance. People reason that they help others because they like them, even if they do not, because their minds str…
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8 Aug 2024, 15:34 UTC≈17,700 views81 reactionsread 13 August 2026 Knew-It-All-Along Phenomenon
It's the common tendency for people to perceive past events as having been more predictable than they were
The phenomenonis more likely to occur when the outcome of an event is negative rather than positive. This is a phenomenon consistent with the general tendency for people to pay more attention to negative outcomes of events than positive outcomes.
Financial bubbles are often heavil…
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24 Jul 2024, 07:48 UTC≈17,600 views77 reactionsread 13 August 2026 Endowment effect
The endowment effect, also known as divestiture aversion, is the finding that people are more likely to retain an object they own than acquire that same object when they do not own it.
One of the most famous examples of the endowment effect in the literature is from a study by Daniel Kahneman, Jack Knetsch & Richard Thaler,[4] in which Cornell University undergraduates were given a mug and then off…
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8 Feb 2024, 08:26 UTC≈24,400 views161 reactionsread 13 August 2026 Impostor Phenomenon
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Impostor phenomenon, or impostor syndrome, is a psychological phenomenon where individuals doubt their abilities and fear being exposed as frauds, despite evidence of their competence. Those experiencing it often attribute their achievements to luck or deception, downplay their skills, and dismiss positive feedback.
This phenomenon is not limited by demographics and can …
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26 Jan 2024, 07:20 UTC≈23,600 views130 reactionsread 13 August 2026 Belief Perseverance
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Belief perseverance refers to the tendency of people to cling to their existing beliefs even when presented with evidence that contradicts those beliefs. In other words, individuals may continue to maintain their initial beliefs despite encountering information that challenges or disconfirms those beliefs.
This phenomenon can be powerful and persistent because people oft…
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22 Feb 2023, 16:36 UTC≈42,600 views288 reactionsread 13 August 2026 Hindsight Bias
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Hindsight bias is the tendency to believe, after an event has occurred, that one would have predicted or expected the outcome.
For example, after a sports team wins a championship, fans and analysts may claim they knew the team would win all along, even if they didn't actually have that level of confidence before the event took place. Another example is a stock market investo…
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12 Feb 2023, 10:33 UTC≈39,600 views230 reactionsread 13 August 2026 Curse of Knowledge
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The curse of knowledge bias occurs when individuals assume that others have the same level of understanding or knowledge as they do.
For instance, a teacher may assume that all of their students understand a concept that was just taught, when in reality some students are still struggling to grasp the idea. Another example is a technical expert who is unable to explain a c…
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2 Feb 2023, 16:26 UTC≈34,500 views163 reactionsread 13 August 2026 Default Effect
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One example of the default effect cognitive bias is when individuals are more likely to choose the option that is set as the default in a decision-making scenario. For instance, when signing up for a new service, if opting-in to a certain feature is set as the default, people are more likely to go along with it and not change the setting, even if they might have preferred a di…
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4 Dec 2022, 08:34 UTC≈38,000 views261 reactionsread 13 August 2026 Halo Effect
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The halo effect is a type of cognitive bias in which our overall impression of a person influences how we feel and think about their character. Essentially, your overall impression of a person ("He is nice!") impacts your evaluations of that person's specific traits ("He is also smart!"). Perceptions of a single trait can carry over to how people perceive other aspects of that pe…
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25 Jun 2022, 10:00 UTC≈44,600 views367 reactionsread 13 August 2026 Fundamental Attribution Error
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The fundamental attribution error (FAE) describes how, when making judgments about people’s behavior, we often overemphasize dispositional factors and downplay situational ones.5 In other words, we believe that people’s personality traits have more influence on their actions, compared to the other factors over which they don’t have control.
Let’s say you’re dri…
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2 May 2022, 09:38 UTC≈43,300 views229 reactionsread 13 August 2026 Apophenia
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Apophenia is the tendency to perceive meaningful connections between unrelated things
For example, gamblers may imagine that they see patterns in the numbers that appear in lotteries, card games, or roulette wheels, where no such patterns exist. A common example of this is the gambler's fallacy.
Topic: #CognitiveBiases
Source: www.wikipedia.org
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