Systematic errors in thinking and decision making. Play Cognitive Biases trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
This bias causes you to favor information that confirms your existing beliefs while ignoring contradictory evidence.
Difficulty: EasyWhen we value something more highly simply because we own it, we're demonstrating this effect.
Difficulty: MediumThis technical concept from prospect theory describes the mathematical shape of the value function as it approaches zero change from the reference point.
Difficulty: HardAfter learning the outcome of an event, this bias makes you believe you "knew it all along."
Difficulty: EasyThis principle states that people will work harder to avoid losing $100 than to gain $100, even though the amounts are identical.
Difficulty: MediumThis concept from attribution theory describes how we weigh consensus, distinctiveness, and consistency information when making causal attributions.
Difficulty: HardWhen you judge the likelihood of events based on how easily examples come to mind, you're using this mental shortcut.
Difficulty: EasyThis bias causes people to assume that their internal states (like hunger or emotion) are more apparent to others than they actually are.
Difficulty: Medium