Biology Forums - Study Force

According to the text, the research of Brandon Centerwall was an important piece of the
  puzzle in the study of media violence because it showed:

 
 

a. a relationship between media violence and aggressive behavior in the world
  outside the laboratory.
  b. a causal relationship between exposure to media violence and aggressive behavior
  in the laboratory.
  c. evidence for symbolic catharsis theory.
  d. evidence for the theory of excitation transfer.
  e. that the suicide rate increased in the United States, Canada, and South Africa after
  TV was introduced to those countries.

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