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METHOD in Personality Research

METHOD in Personality Research. How do we gather data?. 1. From whom??? A. Self B. Others Plus/Minus?. Individual or Groups? Idiographic Nomothetic Depth VS. Breadth. Types of Data and Design. Descriptive Correlation Experiment. Descriptive. Case Study Survey

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METHOD in Personality Research

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  1. METHOD in Personality Research

  2. How do we gather data? • 1. From whom??? • A. Self • B. Others • Plus/Minus?

  3. Individual or Groups? Idiographic Nomothetic Depth VS. Breadth

  4. Types of Data and Design • Descriptive • Correlation • Experiment

  5. Descriptive • Case Study • Survey • Issues/Problems • Wording • Sampling • Response Rate • Response Biases (set, social desirability) • Naturalistic Observation

  6. Correlation • Positive vs. Negative • -1.....0.....+1 • Correlation does NOT imply causation

  7. Experiment • Cause and Effect • Independent and Dependent Variables • Operational definitions • Conditions: • Experimental • Control • Random Assignment

  8. Assessment • Sources of info • Self-report surveys, interviews, personality inventories, etc. • Observer ratings behavior ratings, significant other ratings, etc.

  9. Pluses: Self Vs. Others? • Minuses? • Other problems/concerns? • Solutions???

  10. Reliability • CONSISTENCY • test-retest • internal consistency (e.g., split half, coef. alpha) • interrater reliability

  11. Validity • MEANING • face validity • criterion validity • convergent • discriminant • construct validity

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