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Unformatted text preview: control. Positive Correlation: As one variable increases or decreases the other variable does as well. Negative Correlation: As one variable increases or decreases the other variable does the opposite. Causality can NOT be inferred from correlational data. Case History/Study: The in-depth study of one person. Causality can NOT be inferred form case historys/studies. Ethical Guidelines: 1. Voluntary participation 2. Informed consent 3. Retraction of consent 4. Physical and psychological harm 5. Deception 6. Debriefing...
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- Spring '08