Forensic Psychology Flashcards
What is the top-down approach?
o Profilers start with a pre-established typology and work down in order to assign offenders to one of two categories based on witness accounts and evidence from the crime scene
Who uses the top-down approach and how was it created?
o American approach
o Created upon gathering data from in-depth interviews with 36 sexually motivated serial killers
What is an organised offender?
o Show evidence of having planned the crime in advance
o Victim will be deliberately targeted
o High degree of control during the crime
o Above average intelligence, socially and sexually competent
o Usually married
What is a disorganised offender?
o Little evidence of planning o Offence may have been spontaneous o Body left at scene o Lower than average IQ o Unskilled, unemployed o Live alone
What are the four main stages in the construction of an FBI profile?
o Data assimilation - profiler reviews evidence
o Crime scene classification - organised or disorganised
o Crime reconstruction - hypotheses in terms of sequence of events. behaviour of the victim etc
o Profile generation - hypotheses related to the likely offender e.g demographic, background, physical characteristics etc
What is the bottom up approach?
o Profilers work up from evidence collected from the crime scene to develop hypothesis about the likely characteristics, motivations and social background of the offender
What is investigative psychology?
o Attempt to apply statistical procedures alongside psychological theory to analyse crime scene evidence
o Used in order to develop a data base which then acts as a baseline comparison
o Significance of time and place
o Bottom up approach
What is the marauder?
o Operates in close proximity to their home base
What is the commuter?
o Likely to have travelled a distance away from their usual residence
What is geographical profiling?
o Based on principle of spatial consistency, than an offender’s operational base and possible future offences are revealed by the geographical location of their previous crimes
o Bottom up approach
What is Eysneck’s general personality theory?
o Proposed that behaviour can be represented along two dimensions
o Introversion/extroversion
o Neuroticism/stability
o Later added a third dimension, psychoticism
What is the biological basis in Eysenck’s theory?
o All personality traits are biological and come from the type of nervous system we inherit
o Extroverts have an under-active nervous system which means they constantly feel excitement and stimulation
o Neurotic individuals tend to be nervous and over anxious and behaviour is often difficult to predict
What is the criminal personality?
Extroverted
Neurotic
Psychotic
What is the role of socialisation in Eysneck’s theory?
o Personality is linked to criminal behaviour via socialisation processes
o Concerned with immediate gratification, this is taught as a child if they’re not taught to delay gratification
o High E and N scores means they are difficult to condition and so worn;t learn to respond to antisocial impulses with anxiety
How is the criminal personality measured in Eysnecks theory?
o Eysneck personality inventory
o Form of psychological test which determines the personality type