Hubris: The Dangers of Excessive Pride and Confidence

  Hubris is a personality trait that involves excessive pride, confidence, and self-importance. Accordingly, hubristic individuals tend to overestimate things such as their abilities, knowledge, importance, and likelihood of success. For example, a hubristic person might believe that they’re never wrong, that they’re guaranteed to succeed in all their ventures, or that they deserve to …

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Ennui: How to Overcome Chronic Boredom

  Ennui (pronounced on-wee) is a type of chronic boredom, which generally involves weariness, dissatisfaction, and apathy, as well as the tendency to feel that everything is uninteresting and unfulfilling. People can experience either a general sense of ennui in their life, or they can experience it in relation to a specific domain, such as …

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The Verbatim Effect: People Remember Gist Better Than Details

  The verbatim effect is a cognitive bias that causes people to remember the gist of information, which is its general meaning, better than they remember its exact form, which is the way the information was presented and the minor details that it involved. For example, when people read a long text, they’re more likely …

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Jumping to Conclusions: When People Decide Based on Insufficient Information

  Jumping to conclusions is a phenomenon where people reach a conclusion prematurely, on the basis of insufficient information. For example, a person jumping to conclusions might assume that someone they just met is angry at them, simply because that person wasn’t smiling at them while they talked, even though there are many alternative explanations …

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The Contrast Effect: When Comparison Enhances Differences

  The contrast effect is a cognitive bias that distorts our perception of something when we compare it to something else, by enhancing the differences between the things being compared. For example, the contrast effect can make a sweet drink taste bland if you drink it immediately after drinking something sweeter, and can make an …

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Economic Man (Homo Economicus): On the False Assumption of Perfect Rationality

  The economic man (or homo economicus) is a conceptualization of people as ideal decision-making machines, with flawless rationality, unlimited cognitive capacity, perfect access to information, and a narrow range of consistent, self-interested goals. Roughly speaking, this means that the homo economicus can be seen as someone who only cares about maximizing things such as …

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The Rhyme-as-Reason Effect: Why Rhyming Makes Messages More Persuasive

  The rhyme-as-reason effect is a cognitive bias that makes people more likely to believe statements that contain a rhyme, compared to statements that don’t. For example, people generally perceive the statement “woes unite foes” as more accurate than the statements “woes unite enemies” and “misfortunes unite foes”—even though they all mean roughly the same …

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Placebo: Effects, Examples, Types, and More

  A placebo is something, such as a substance or procedure, that has no inherent ability to directly produce an effect of interest, but which can nevertheless produce this effect indirectly, generally through a psychological response. Most commonly, the term “placebo” is used in the medical context, to refer to an inert substance (e.g., a …

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The Confirmation Bias: Why People See What They Want to See

  The confirmation bias is a cognitive bias that causes people to search for, favor, interpret, and recall information in a way that confirms their preexisting beliefs. For example, if someone is presented with a lot of information on a certain topic, the confirmation bias can cause them to only remember the bits of information …

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