04_Corrmethods - Provides good description of behavior. No...

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Research in Psychology Theories and Hypotheses Operational Definitions Correlational Research What is a correlational coefficient? What can correlations mean? Where can we collect data? Types of Correlational Methods
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Theories and Hypotheses Theory An organized set of principles that describes, predicts, and explains some phenomenon. Hypothesis A specific testable prediction, often derived from a theory
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How do we define the behaviors we are interested in? In ways that are measurable . Examples. Height Relationships Happiness Memory Operational Definitions
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Measure direction and magnitude of a relationship between variables. Advantage. Allows predictions from one variable about another variable. Disadvantage. Does not determine cause and effect. Correlational Studies
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Explaining Correlations
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Naturalistic Lab Participant All are good source of hypotheses. Observational Methods
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Advantages.
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Unformatted text preview: Provides good description of behavior. No unnatural settings. Disadvantages. Lack of control. Inability to explain cause and effect. Observational Methods Focuses on individual or group. Advantages. Gives researcher historical perspective of person or group. Can lead to more global hypotheses. Disadvantages. May not generalize to others. Experimenter bias. Difficult to verify claims of individual or group being studied. Case Studies Survey Used to measure behavior or attitudes across many people Structured or unstructured questions Sampling is important Random Non Random Advantages More specific information than observation. Can generalize to more people. Disadvantages Respondents may not remember info. Respondents may lie. Question wording may affect answers. Survey Methods...
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This note was uploaded on 04/17/2008 for the course PSY 203 taught by Professor Forrest during the Fall '07 term at University of Nebraska Kearney.

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04_Corrmethods - Provides good description of behavior. No...

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