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Psychology AP Chapter 2 Vocabulary
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- 1hindsight biasthe tendency to believe that after you learn an outcome, you would've foreseen it; "knew it all along"
- 2overconfidencethe tendency to be sure of a fact but later find out that the reality was very different
- 3scientific methodmaking a hypothesis, selecting a method for the study, control external variables, collect data, analyze, and report and document the results
- 4hypothesisa prediction or theory that has to be tested
- 5operational definitionA statement of the procedures or ways in which a researcher is going to measure behaviors or qualities.
- 6case studyone type of observational data collection technique in which one individual is studied in-depth in order to identify behavioral, emotional, and/or cognitive qualities that are universally true, on average, of others
- 7surveya method for collecting information or data as reported by individuals
- 8naturalistic observationthe researcher allows behavior to occur without interference or intervention
- 9correlationa statistical index used to represent the strength of a relationship between two factors, how much and in what way those factors vary, and how well one factor can predict the other
- 10correlation coefficenta measure of the direction (positive or negative) and extent (range of a correlation coefficient is from -1 to +1) of the relationship between two sets of scores
- 11scatter plotAlso known as scatter diagram or scatter graph, a scatterplot is a visual representation of the relationships or associations between two numerical variables
- 12illusory correlationwhen people believe there is some relationship between events, variables, etc., even though none really exists
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- Psychology chapter two definitions
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- Sarah Baldwin
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