The hottest Cognitive Bias Substack posts right now

The Dunning-Kruger effect explains how people with lower ability often overestimate their competence, while highly skilled individuals tend to underestimate their capabilities.
The disconnect between competence and metacompetence judgments is seen not only in psychology but also in areas like aviation, memory, and medical skills. It can impact product development and UX teams by highlighting the challenge of relying on feedback from less competent individuals.
Debate continues on whether the Dunning-Kruger effect is purely a statistical artefact or a psychological phenomenon. Regardless, it prompts the need for critical self-awareness, peer review, and continuous growth to mitigate its impact in fields like UX.

The Illusory Truth Effect is a phenomenon where repetition can make us believe something is true, even if it's not.
It can influence decision-making by shaping our perceptions and beliefs.
There are strategies to mitigate the Illusory Truth Effect, such as fact-checking and seeking diverse sources of information.

Users often hate redesigns due to familiarity bias, where they prefer the familiar even if the change is beneficial, and the endowment effect which makes them value what they already have more.
Psychology plays a significant role in user reactions to redesigns, as habits are hard to change, leading to user dissatisfaction with altered interfaces.
To improve user experience with redesigns, allowing opt-ins for changes can give users control, conducting thorough user research helps address pain-points, and making small, incremental changes can ease user adaptation.

Senior leaders should have strong opinions but be open to changing their minds based on new information
Confirmation bias can make it difficult to stay open to new ideas, but it's important for growth
The Dunning-Kruger effect highlights how people with low knowledge tend to overestimate their abilities, while knowledgeable individuals may underestimate themselves

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The hot hand fallacy is a famous cognitive bias related to probability judgments.
People often underestimate the presence of streaks in random sequences, leading to the hot hand fallacy.
Game theory suggests that momentum in sports, like the hot hand, may have strategic reasons to exist.

Knowledge often gets locked in specific areas and levels of expertise due to factors like hierarchy bias and my-side bias.
The Expert trap can lead to inefficient sharing of knowledge within our civilization, affecting education and learning in general.
Illusory knowledge, which involves familiarizing with terminology without deep comprehension, is abundant and affects how knowledge is encoded and learned.