6 Intro to Forensic Psychology Flashcards

1
Q

What is forensic psychology?

A

The application of psychological knowledge and theories to all aspects of the criminal and civil justice systems, including the processes and the people

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2
Q

What do people like Blackburn (1996) argue that forensic psychology should be defined as?

A

“direct provision of psychological information to the courts, that is, to psychology in the courts”

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3
Q

List the historical perspectives of crime theories?

A

Classical school of criminology

Positivist school of criminology

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4
Q

Describe the classical school of criminology

A
  • People are rational decision-makers
  • Lawbreaking occurs when people, faced with a choice between right and wrong, freely choose wrongly
  • Punishment should be proportionate to the crime committed e.g. swift and certain
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5
Q

Describe the positivist school of criminology

A
  • Emphasised individual differences in people determining criminal behaviour rather than free will
  • Believe punishment should fit the criminal rather than the crime
  • Seeks to understand crime through scientific method analysis of the empirical method

E.g. ape-like humans, typing humans based on looks

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6
Q

What did Aristotle say about theories of crime?

A

Poverty is the parent of revolution and crime

Emphasized the situational nature that if you’re in a situation you didn’t have the money you were more likely to commit crimes

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7
Q

What has Sir Francis Bacon stated in the historical perspectives of theories of crime?

A

Opportunity makes a thief

If you’re in a situation that you can get away with it, you will do it

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8
Q

What have philosophers such as Voltaire and Rousseau emphasised?

A

Free will, hedonism and flaws in the social contract

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9
Q

What are the positive theorists (Cesare Lombroso & Ernest Hooton) approach to historical crime?

A

Cesare Lombroso throws back to early stages of evolution where humans not sufficiently advanced mentally to live out successfully in a modern world

Ernest Hooton took physical measurements of criminals and civilians
 Burglars: short heads, golden hair, undershot jaws
 Robbers: long wavy hair, high heads, short ears, broad faces

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10
Q

List the four main types of modern crime theories

A

(1) Sociological theories
(2) Biological theories
(3) Psychological theories
(4) Social-psychological theories

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11
Q

Explain sociological theories of crime

A

Explain crime as the result of social or cultural forces that are external to any specific individual, that exist prior to any criminal act, and that emerge from social class, political, ecological, or physical structures affecting large groups of people

Individual differences are deemphasized

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12
Q

Describe the types of sociological theories

A

(1) Structural explanations

(2) Sub-cultural explanations

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13
Q

What are the cons of sociological theories?

A

Crimes are often committed by people who have never been denied opportunities -> Applies only to certain offences e.g. may explain theft but not traffic violations

Does not explain why some people offend and others do not: Doesn’t look at individual differences

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14
Q

Explain biological theories of crime

A

Stress genetic influences, chromosomal abnormalities, biochemical irregularities, or physical (body type) factors as causes of crime

Theorists respect social and environmental influences as well

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15
Q

Name the types of biological theories

A

(1) Constitutional theories

(2) Genetic theories

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16
Q

What could be inherited based on biological theories of crime?

A
  • Constitutional pre-disposition (body type)
  • Neuropsychological abnormalities
  • Autonomic nervous system differences
  • Physiological differences (serotonin)
  • Personality and temperament differences
17
Q

What are the cons of biological theories of crime?

A
  • Fear attributing crime partly to genetic factors as social and environmental neglected.
  • Concern it will lead to some people being genetically “inferior”
  • The extent to which any behaviour is inheritable cannot explain differences between groups.
  • Unclear what exactly is inherited
18
Q

Explain psychological theories of crime

A

Crime results from personality attributes possessed by the potential criminal also emphasizes individual differences about the way people think or feel about the behaviour

19
Q

Name the types of psychological theories

A

(1) Psychoanalytic theories
(2) Personality traits
(3) Personality disorder

20
Q

Explain social-psychological theories of crime

A

Bridges gap between environmentalism of sociology and individualism of psychological or biological theories

Crime is learned, but theories differ on what and how it is learned

21
Q

Describe the types of social-psychological theories

A

(1) Control theories:
(2) Learning theories:
(3) Social-labelling:

22
Q

What is a self-fulfilling prophecy?

A

a prediction that comes true because it has been made

23
Q

What is the best theory of crime?

A

Most theories can explain certain types of crime, but none of them explains all forms, and some explain very little

e.g. drugs, traffic violations, sex crimes, violent crimes

24
Q

Forensic psychology is…

A

the application of psychological knowledge to the legal system

25
Q

The theories of crime..

A

are as old as crime itself

26
Q

Modern theories of crime can be grouped into 4 main categories. What are they?

A

Sociological (situational)
Biological (individual and biology),
Psychological (individual)
Social-psychological (suggest the combination of individual and society around them)

27
Q

Is there a theory that explains all crimes?

A

No, no theory can explain all types of crime

28
Q

Describe the structural explanations of sociological theories

A
  • People have similar interests and motivations but differ dramatically in opportunities to employ their talents in socially legitimate ways
  • Dysfunctional social arrangements and differential opportunity thwart people from legitimate attainment
  • Discrepancies between aspirations and means create strains that lead to crime
29
Q

Describe the Subcultural explanations of sociological theories

A
  • Crime originates when various groups of people endorse cultural values that clash with the conventional rules of society
  • E.g. gangs enforce unique norms about how to behave
30
Q

Describe the constitutional theory of biological theories

A
  • 3 somatypes (endomorph, ectomorph and mesomorph), mesomorph leads to criminal behaviour
  • Mesomorphs exposed to wrong influences and environment would engage in more crimes.
  • But; few all-or-none categories oversimplify, correlation doesn’t equal causation
31
Q

Describe the genetic theory of biological theories

A
  • Adoption studies; men with biological parents with criminal records 4x more likely to be criminals, and 2x with adoptive. Both = 14x more likely.
  • But; Unclear what exactly is inherited.
32
Q

Describe the psychoanalytic theory of psychological theories

A
  • A weak ego (tries to moderate the id and superego) and superego (moral voice, angel) that cannot restrain the anti-social instincts of the id (instinctual, pressures related to passion, the devil)
  • A means of obtaining substitute gratification (sublimation) of basic needs that have not been satisfied
  • Thanatos, desire of animate matter to return to inanimate (die and/or be caught)
  • But; modern theories don’t support
33
Q

Describe the personality trait theory of psychological theories

A
  • Criminals show higher levels of all extraversion, neuroticism and psychoticism
  • First testable theory
  • Extraverts seek stimulation, introverts typically over-aroused and avoid stimulation
34
Q

Describe the personality disorder theory of psychological theories

A
  • Antisocial personality disorder: “Pattern of disregard for and violation of other rights occurring since age 15”
  • Psychopathy: engage in frequent criminal activity with little or no remorse -> small percentage of law violaters (10-25%)
35
Q

Describe the control theory of social-psychological theories

A

People will behave antisocially unless they learn, through a combination of inner controls and external constraints on behaviour, not to offend

  • It is largely external containment (e.g. Social pressure and institutionalised rules) that controls crime, but if these controls weaken, control of crime must depend on internal restraints. External constraints e.g. seeing a police offer
36
Q

Describe the learning theory of social-psychological theories

A

People directly acquire specific criminal behaviours through different forms of learning

  • Operant learning: a person behaves criminally when such behaviour is favoured by reinforcement that outweighs punishment
  • Social learning theory: behaviour is learned by observation through modelling
37
Q

Describe the social-labelling of social-psychological theories

A

Deviance is created by the labels that society assigns to certain acts
- The stigma of branded a deviant can create a self-fulfilling prophecy (e.g. teachers told bright girls) but little research due to ethics