Ostrich Effect: Burying your Head in the Sand
Have You Ever? Have you ever avoided information that you didn’t want to know, even if it was really important? Maybe you got a grade
Cognitive Biases
Dunning-Kruger Effect: You can’t know what you don’t know!
Introduction You get assigned a group for a school project. You are working with Jimmy, a stubborn classmate who loves to argue. While you have
Salem Witch Trials: A Wicked Deadly Spell
Introduction In January of 1692, two little girls, Elizabeth Parris and Abigail Williams, started exhibiting bizarre symptoms like contorting and screaming randomly. These strange behaviors
IKEA Effect: Labor of Love
Introduction Build-A-Bud Workshop is every child’s dream store. The brand’s appeal comes mostly from the fact that customers get to personalize every possible aspect of
Pygmalion Effect: Expect the Expected
Introduction The local newspapers have been running stories all week about Karina’s upcoming swim meet, predicting that she will blow the competition out of the
Hindsight Bias: I Knew It All Along!
Have You Ever? Have you ever been to a sports game where both teams were strong, and you weren’t quite sure who would win? You
Gambler’s Fallacy: Next One’s A Winner!
Have You Ever? You and your friends are playing a board game, and you are one space away from victory; three game pieces are in
The Placebo Effect: The Power of Expectation
Problem How do you know if a drug or medication works? In an experiment, you usually have an experimental group and a control group. However,
Stereotype Threat: The Dangers of Overgeneralizations
Introduction Cassie loves math and is really good at it, probably the best in her class. Growing up, she was often told that girls can’t
Zero-risk Bias: No Risk, No Reward
Problem Alberto is bobbing for apples at the carnival. There are two barrels with five apples each, but only one designated apple in each barrel
