Behavior

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Behavior Twins

• Sociology

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Minnesota Twins

• University of Minnesota- 1979
• Thomas Bouchard and colleagues
• Studies 60 pairs of identical twins
• These twins were raised separately
  

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Two Part Study

• Week One
• Included medical and psychological test
• These were given to both fraternal and identical
  twins (some of their spouses participated in the
  study too)
• They had to have been separated and raised apart

• Week One tested
• Personality
• Mental abilities
• Motor skills
• Interests
• Reading
• Spelling
• Writing
• Blood Tests
• Dental Tests
• Medical History

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Two Part Study

• Part Two
• Ongoing
• Tests change and our ongoing
• Family Members will be interviewed

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Twins Nature or Nurture?

• Similarities from Reading (Springer/Lewis Twins)
• Hobbies (drawing, carpentry)
• Places lived
• Favorite subject
• Least favorite
• Similar smoking and drinking habits

• Stohr-Yufe Twins
• Places lived
• Religion-1 Jewish and 1 Catholic
• Liked spicy food
• Flushed toilet before using it

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Twin Traits
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Behavior

• Behaviorism a theory of animal and human
  learning focuses on learning from observable
  behaviors and not just mental activities
• learning is nothing more than watching others to
  learn a new behavior

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Classic Conditioning

• we are biologically wired to do certain things
  when we see something
• for example-get hungry when you see food

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Operant Conditioning

• when a response to something is reinforced
• Example- a dog gives paw give him/her a treat
• Example-getting money if you get As

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Criticism of behaviorism

• Discounts the Mind
• Does not recognize language patterns
• Anyone can change through reinforcement-animals