chap09 - Types of measures Self-reports Behavioral measures...

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    Conducting Experiments
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    Selecting Research Participants Often use a convenience sample – e.g.  college students Not an issue for internal validity if the  study is well-designed Is an issue for external validity –  generalizing to broader population
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    Independent Variable Setting the stage for participants Types of Manipulations Straightforward Staged – most common with social  psychology, use of confederates
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    Independent Variable Strength of Manipulation Amount of difference between conditions The independent variable should have a  chance of influencing participants Cost and ethics
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    Dependent Variable
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Unformatted text preview: Types of measures Self-reports Behavioral measures Physiological measures Sensitivity Avoid floor and ceiling effects Multiple measures, costs, and ethics Additional Controls Participant expectations Demand characteristics Placebo groups Experimenter expectations Other controls may be needed to account for alternative explanations Debugging Pilot Study Manipulation Check Make sure the IV is having its intended effect on participants Debriefing Ethical reasons Educational reasons Practical reasons...
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chap09 - Types of measures Self-reports Behavioral measures...

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