Representative Bias Flashcards
It is a mental shortcut that we use when estimating probabilities. When we’re trying to assess how likely a certain event is, we often make our decision by assessing how similar it is to an existing mental prototype.
Representative Bias
People use unconscious mental statistics to figure out what the “average” member of a category looks like.
Prototype Theory
Types of Representativeness Bias
Base-Rate Neglect
Sample-Size Neglect
Harmful Effect of Representative Bias on Investors
Some investors tend to rely on stereotypes when making investment decisions.
Base-Rate Neglect
When judging the likelihood of a particular investment outcome, often fail to accurately consider the sample size of the data on which they base their judgments.
Sample-Size Neglect