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Methodology of Aggression

Methodology of Aggression

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Methodology of Aggression

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  1. Methodology of Aggression

  2. How to study Aggression? • Real-world • Advantages • Naturally occurring • No experimenter bias • Disadvantages • Dangerous • Unethical • No cause-and-effect • Laboratory • Advantages – flip side of above • Disadvantages – flip side of above

  3. Can we ask about aggression? • Archival • Advantage • Bias free - experimenter • Disadvantage • Bias – original purpose/coder • Not collected for researchers purpose • Verbal (self, other, personality, state, trait) • Advantage • Bias free (subject) if unaware, no social desirability • Measuring what is inappropriate, culturally discouraged • Disadvantage • Bias from respondent can occur

  4. Can we observe aggression? • Naturalistic Observations • Advantages • Actual aggression • Naturally occurring context • Disadvantages • Not very common • Need to eliminate research bias • Difficult to code • Naturalistic INTERACTIONS • Advantages • Same as above • Disadvantages • No longer same as above • But now… Ethical?

  5. Do we need causation? • Causation? • Laboratory Observations • Behavior • Verbal • Pain – five senses

  6. Experiment

  7. Correlation v. Causation Depressed Mood Cause? Impaired Sleep Depressed Mood Impaired Sleep Cause? Depressed Mood Impaired Sleep Cause? Cause? Family Conflict

  8. Third Variable? • Finding: Women who have a baby after age 40 are more likely to live past 100. • Finding: The greater the quantity of ice cream sold, the greater the number of murders. • Finding: The greater the number of Churches, the greater the amount of crime. • Finding: The more a person weighs, the larger his/her vocabulary.

  9. Apply what we have learned • Does watching violent TV make children aggressive? • How would you conduct a correlational study testing this research question? • How would you conduct an experimental study testing this research questions?

  10. Correlational? or Causational? • A newspaper headline reads, Heavy Drinkers Get Lower College Grades. • Your psychology textbook states that some people remember concrete words better than abstract words. • People who were abused as children are more likely than others to become child abusers • A health magazine reports that depressed people who continue medication for at least six months are less likely to relapse than people who take medication for less than six months

  11. Do we need causation? • Causation? • Laboratory Observations • Behavior • Verbal • Pain – five senses