PSY311H5 Chapter Notes - Chapter 2: Structural Equation Modeling, Chemical Substance, Psychophysiology
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Research methods: correlations and experiments: the correlational method involves computing associations between pairs of variables, varying from 1. 0 to. Researchers randomly assign participants to experimental and control groups: one way to increase ecological validity is to conduct a laboratory analogue experiment, trying to duplicate in the laboratory features or events from everyday life. Intervention program provided to improve a situation or relieve psychological illness/distress. Box insights from extremes: lost and found children. In a natural experiment, the investigator measures the effect of a naturally occurring change. Box real-world application: treating an aggressive child. Adrian, 4 yr old that hit children during every recess at school. Did an experiment in which teachers ignored him (caused gradual decrease in hitting), then teachers paid attention (hitting increased), and then repeated (abab exp) Study of change over time: this approach is economical, but it yields no information about change or causes of change.
