Chapter 2 Research. Psychology is a Social Science Hypotheses, observation, testing, and experimentation are used. SAME as science Exceptions to a generalization.

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Presentation transcript:

Chapter 2 Research

Psychology is a Social Science Hypotheses, observation, testing, and experimentation are used. SAME as science Exceptions to a generalization do not necessarily negate the hypothesis. Human behavior is complex. DIFFERENT

Research Terms Experiment: a specific type of scientific study used to determine if one variable has a casual effect upon another variable. Placebo: a medicine with no active ingredients works by the power of suggestion. Thesis: statement or question to study. Looks at psychological principle Hypothesis: a statement of the results that the experimenter expects. Prediction

Example Thesis question: Is yawning contagious? Hypothesis: If one person yawns in class, then others will repeat this behavior

Variables: factors that change in an experiment. Independent Variable: the factor the researcher changes or varies in a study. (If) Dependent Variable: the factor that will change as a result of what the other factor does. (Then)

Independent Variable: Yawn prompt Dependent Variable: other’s behavior (yawn or no yawn)

Experimental group: the group on which the critical part ( variable introduced ) of the experiment is performed. Control group: the group that does not participate ( no variable ) in the critical part of the experiment.

Control Group: Classroom with no yawn prompt Experimental Group: Classroom with yawn prompt

Methods of Research (p.41) Laboratory study Field study Survey method Naturalistic observation Interview Case study Psychological test Longitudinal Cross-sectional Experiment: Bi-lateral Transfer