Chapter 3c - Emily Grijalva ~ Psych 201 Chapter 3 Sept 11 2009 DEFINITION: probablyisacat Example:Asmallanimallook

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Emily Grijalva ~ Psych 201 Chapter 3 Sept. 11, 2009
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The Representativeness Heuristic  D EFINITION tendency to judge the likelihood that a target  belongs to a category based on how similar the target is to the  typical features of the category Example : A small animal looks like a cat and meows like a cat… it  probably is a cat! ** Precisely how we use schemas to categorize an object  so we can predict its behavior! **  Usually serves us well, but we need to be careful that we don’t  base our judgments only on the overlap between an object’s  characteristics and the defining features of a category  Can lead to errors in judgment and decision-making
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 Linda is 31 years old, single, outspoken, and very bright.  She  majored in philosophy.  As a student, she was deeply concerned with  issues of discrimination and social justice, and also participated in  anti-nuclear demonstrations.  Which is more likely:  (a) Linda is a bank teller?  (b) Linda is a bank teller who is active in the feminist movement? 
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Illusory Correlations  D EFINITION : belief that two variables are related to one another  when, in fact, they are not  Example : Michael Jordan wore his college shorts under his  professional uniform for good luck   W HY ?  People tend to see what they expect to see; people are  especially likely to notice events that confirm their expectations   Example : Overestimating the accuracy of horoscopes on days when  something happens that is congruent with the horoscope   Example : the “hot hand” in sports (notice streaks more and ignore  hits and misses when both are intermixed and random) You are more likely to notice the congruencies instead of  the incongruencies, and assume a relationship exists!
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The Hindsight Bias: “I Knew it All Along”  DEFINITION : tendency for people to overestimate the  predictability of known outcomes   Example : Think about Quiz 1. How predictable was your 
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This note was uploaded on 02/12/2010 for the course PSYCH 100 taught by Professor Suarez during the Fall '09 term at University of Illinois, Urbana Champaign.

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Chapter 3c - Emily Grijalva ~ Psych 201 Chapter 3 Sept 11 2009 DEFINITION: probablyisacat Example:Asmallanimallook

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