ISU PSYCH 280 - Judgment Heuristics (3 pages)

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Judgment Heuristics



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Judgment Heuristics

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Introduction to social cognition: judgment heuristics


Lecture number:
5
Pages:
3
Type:
Lecture Note
School:
Iowa State University
Course:
Psych 280 - Social Psychology
Edition:
1
Documents in this Packet

Unformatted text preview:

PSYCH 280 1st Edition Lecture 5 Outline of Last Lecture I Correlations recap II Experimental Method a Independent variable b Dependent variable c Random assignment d Confounding variables e Statistical significance f Subject variable III Factorial Designs a Statistical interactions Outline of Current Lecture IV Finish up experimental method a Reliability b Validity V Judgment Heuristics a Uses of heuristics b Types of heuristics Current Lecture I Experimental Method Reliability v Validity Reliability and validity are two extremely important concepts when it comes to experimental methods Reliability is the extent to which a test measure is consistent i e if you weight yourself at 8am in the morning and at 8pm at night the measurements should be relatively close weight fluctuates during the day however Validity on the other hand is the extent to which a test actually measures what it is supposed to be measuring There are two types of reliability a Test retest reliability Even after redoing the test multiple times the result is still the same b Interjudge reliability Even when different researchers perform the test the result is still the same These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute There are two types of validity c Face validity The test measures what it appears intuitively to measure test d Construct validity The test measure produces the results that agree with an already accepted test measure Important notes about reliability v validity e f g h II Reliability sets an supper limit on validity Reliability is necessary for validity Reliability can exist without validity but validity cannot exist without reliability When there is a correlation validity reliability 2 Judgment Heuristics A judgment heuristic is an automatic process that uses mental shortcuts to make quick judgments about our word such as frequency of events probabilities danger and risk a Why



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