The common thinking errors behind bad decisions and bad arguments. Each one comes with an everyday example, so you can catch it in yourself and in other people.
You’re reading a free preview. Sign up to see every topic and question — and to play this deck as games.
How memory quietly rewrites the past, and why people misjudge their own skill, luck and visibility.
40 total questions
Card #1
Hindsight bias
Card #2
Dunning-Kruger effect
Card #3
Self-serving bias
1. Office workers who picked their own lottery ticket asked for far more money to swap it than workers who were handed a ticket at random, though every ticket had the same chance of winning. Which bias is this?
2. After buying a car, Jonah remembers the models he turned down as having more faults than his notes from the time actually recorded. Which bias is this?
3. Asked to give ranges they are 90% sure contain the true answers to ten general-knowledge questions, most people's ranges miss the answer far more often than once in ten. Which bias does this show?
1. Justin Kruger and David Dunning's 1999 paper was titled 'Unskilled and ___ of It'.
Hint: Not knowing
2. In Loftus and Palmer's car crash study, people who heard the verb 'smashed' gave higher speed estimates than people who heard '___'.
Hint: The mildest verb used
3. Remembering a fact but not where you learned it, such as believing a friend told you something you actually read online, is a source ___ error.
Hint: Keeping track of
