Actor-observer bias

“Everyone is responsible for their own behaviour… Except me!”

Automation bias

"When making a decision, I have too much confidence in machines, and tend to neglect my own judgement."

Base rate neglect fallacy

“I misjudge the probability of an event by ignoring important background information.”

Belief bias

“If it corresponds to my knowledge and beliefs, it must be true.”

Blind spot bias

“Other people are more biased than I. "

Choice supportive bias

“I exaggerate the benefits of an option after choosing it.”

Confirmation bias

“When I research a topic, I favour information that supports my hypothesis and ignore information that contradicts it.”

Conjunction fallacy

“I judge it to be more probable that two events will occur together than that one of them will occur alone.”

Dunning-Kruger effect

"The less I am qualified, the more I overestimate my competence. The more I am qualified, the more I underestimate my competence."

Echo chamber

“Everyone seems to agree with me, so I must be right.”

Effort justification bias

“I evaluate an outcome relative to the amount of effort it took to achieve it.”

Essentialism bias

"I believe that social groups have a distinct and unchanging essence."

Fundamental attribution error

“I explain the actions of a person through their personal characteristics while underestimating the influence of the situation.”

Illusion of control

"It is not luck, I did it."

Illusion of knowledge

"I am under the impression that I know and understand more than what I really know and understand."

Illusion of transparency

“I believe my thoughts and feelings are more accessible to others than they actually are.”

Illusory correlation

“I am convinced there is a link between two events I have witnessed, but they are not related.”

Impact bias

"When we think about how we will react to possible future events, we tend to overestimate both the intensity and duration of our emotions."

In-group bias

"My group is better than yours."

Just-world hypothesis

“You reap what you sow.”

Near bias effect

"We care less about future experiences than we do about near ones. "

Optimism bias

"It won't happen to me; it only happens to others."

Repetition effect

"I judge repeated information as being more likely to be true than new information."

Self-serving bias

"If I succeed, it is my doing, but if I fail, it is not my fault."

Social desirability bias

"To look good to these people, I'm going to say what they want to hear instead of what I really think."

Stereotypes and prejudices

“Women are gentle and motherly, so it's normal for them to stay home to take care of the children.”


“I am more likely to repeat actions when I succeed, I am more likely to change actions when I fail.”

Zeigarnik effect

"I remember interrupted or ongoing tasks and problems more easily than I remember ones that are completed or solved."

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