Forensic Psychology: Glossary Flashcards
Define crime
Refers to any behaviour that is unlawful and punished by the state. It is an act that is harmful to an individual, group or society.
Define disorganised type of offender
The crime scene is left with many clues such as fingerprints, there is little evidence of engagement with the victim, and the offender has lower intelligence and competence.
Define offender profiling
A method of working out the characteristics of an offender by examining the characteristics of the crime and crime scene.
Define organised type of offender
This type of offender commits a planned crime and may engage in violent fantasies with the victim and is high in intelligence and socially competent.
Define top down approach
(Also called the crime scene analysis)
An analysis of previous crimes creates a profile of a likely offender. A profiler uses this knowledge to narrow the field of possible suspects. Unlike the bottom up approach, the top down approach relies on the institution and beliefs of the profiler.
Define bottom up approach
A data driven approach where statistical techniques are used to produce predictions about the likely characteristics of an offender.
Define geographical profiling
A form of bottom up profiling based on the pattern shown by the location or locations of a series of crimes.
Define investigative psychology
A form of bottom up profiling based on psychological theory.
Define atavistic form
An explanation for criminal behaviour, suggesting that certain individuals are born with a criminal personality and this innate personality is a throwback to earlier primate forms.
Define epigenetics
Refers to the material in each cell of the body that acts like a set of ‘switches’ to turn genes on or off.
Define genetic explanations
The likelihood of behaving in a particular was is determining by a person’s genetic makeup.
i.e. It is inherited from parents.
Define neural explanations
Involve areas of the brain and nervous system and the action of chemical messengers in the brain known as neurotransmitters in controlling behaviour.
Define extraversion
According to Eysenck, this refers to outgoing people who enjoy risk and danger because their nervous systems are under aroused.
Define neuroticism
According to Eysenck, this refers to people with a negative outlook who get upset easily. Their lack of stability is due to an over reactive to threat (fight or flight).
Define psychoticism
According to Eysenck, this refers to an aggressive, antisocial person who lacks empathy. This may be related to high levels of testosterone.