Biological theories - physiological Flashcards

1
Q

Who are the 2 main physiological theorists?

A

Lombroso and Sheldon

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2
Q

What was lombroso interested in?

A

physical differences between criminals and non criminals

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3
Q

What signs of criminaity did Lombroso study?

A
  • facial features
  • body type
  • tattooing
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4
Q

What did lombroso claim?

A

people were born criminal

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5
Q

What were the key features Lombroso identified?

A
  • big jaws
  • high cheek bones
  • large eyes
  • ear shape
  • long arms
  • acute eye site
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6
Q

What is Atavism?

A

idea criminals are throwbacks to earlier primitive stages of evolution. ‘savages’

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7
Q

How many criminals did Lombroso study?

A

383 dead and 3839 living

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8
Q

What statistic did Lombroso conclude?

A

40% of acts could be accounted for by atavistic characteristics
- murderers - blood shot eyes and beak noses
- sex offenderd - thick lips and protruding ears
- theives - flat noses

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9
Q

What are the strengths of Lombrosos study?

A
  • led to further developments in explaining criminality
  • responsible for new theories which have more sound scientific evidence
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10
Q

What are the Limitations of Lombrosos study?

A
  • lacks scientific evidence for support
  • no definite causaul link between features and crime
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11
Q

What did Sheldon study?

A

Somatotypes

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12
Q

How did Sheldon develop his theory?

A

examined 4000 photos of men from back, side and front with little clothign and put forward 3 body types

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13
Q

What were sheldons 3 body types?

A
  • Mesomorphs
  • Ectomorphs
  • Endomorphs
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14
Q

What is an ectomorph?

A

thin and fine boned, tendency to be cerebrotonic (introverts)

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15
Q

What is an endomorph?

A

rounded and soft, tendency to be vicerotonic (extroverted and relaxed)

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16
Q

What is a mesomorph?

A

square and muscular, tendency to be somotonic (sggressive and assertive)

17
Q

Which type did Sheldon say was most likely to be criminal and why?

A

Mesomorph due to physique and assertiveness

18
Q

What was Sheldons scale of mesomorphy?

A
  • correlation study - photographs of college
    students and delinquents to create a scale to rate criminal and delinquent bahaviour
  • 1 - 7 in relation to mesomorphy 1 low and 7 high
  • results delinquents higher avg mesomorphy than college students 4.6 - 3.8
19
Q

What are the strengths of Sheldons theory?

A
  • large sample size so comparisons justified
  • addition of temperament provided further justification
20
Q

What is a limitation of Sheldons theory?

A
  • relies soley of biology which is not scientifically proven
  • reliability questioned as it relies on his judgement alone
  • researcher bias and imposition