Chapter 2 - Chapter 2 Methods of Psychology Fact objective statement usually based on direct observation Hypothesis prediction about new facts that

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Chapter 2: Methods of Psychology Fact – objective statement usually based on direct observation Hypothesis – prediction about new facts that is made from a theory Observer-expectancy effects – researchers may unintentionally communicate to subjects their expectations Types of Research Strategies Experiments test for cause-effect relationships, and are procedures in which a researcher systematically manipulates one or more independent variables and looks for changes in dependent variables while keeping all other variables constant Independent variable – has an effect on another variable Dependent variable – affected variable Correlational study – study in which the researcher does not manipulate any variable but observes or measures two or more variables to find relationships between them but does not tell if change in one changes another Descriptive study – describe the behavior of an individual without systematically investigating relationships Laboratory study vs. field study
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This note was uploaded on 04/02/2008 for the course PSYCH 1 taught by Professor Shimamura during the Fall '08 term at University of California, Berkeley.

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