Exam 2: Biological and Evolutionary Explanations Psychology of Criminal Behaviour

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Two meta-analyses have found that there is a link between the hormone testosterone and:

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Explain how "twins studies" methodology works.

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A researcher identifies a sample of MZ and DZ twins,which were both raised by their respective biological families,and obtain an estimate of criminal behaviour.Researchers would record whether each twin was "criminal" or "non-criminal" and this frequency would then be converted into a concordance rate that represented the percentage of both twins classified as "criminal".Concordance rates are then calculated separately for MZ and DZ twins and then compared.Evidence for a genetic contribution to crime is inferred if concordance rates are higher among MZ than DZ twins.

The MAOA gene has been linked to aggressive behaviour when the activity of the gene in a person is:

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Concordance rates are typically converted into a heritability coefficient which represents what type of variance in the population?

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Increases in heart rate and electrodermal activity signal fear,anger,and anxiety responses.

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Childhood maltreatment (e.g.,physical abuse,emotional abuse,sexual abuse,neglect) contributes to the development of antisocial and criminal behaviour.

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Hormone production and distribution are regulated in the human body by which system?

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Contrary to popular belief,genetic studies are just as much about the environment as they are about genes.

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The fact that women's ability to produce offspring is restricted compared to men is referred to as:

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Evolutionary theories are considered to be proximate explanations of crime.

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Describe and explain how evolutionary forensic psychology has been applied to criminal offending with specific reference to two of the following: life history theory,psychopathy,homicide,and female offending.

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A study conducted by Mednick et al.(1984),examining the records of over 14 000 adoptions,found rates of criminal offending were highest for adopted children when:

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The "gene-crime" link is a direct conduit and not influenced by mediating effects such as low intelligence and impulsivity.

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If concordance rates/correlations for antisocial behaviour are higher for the biological parents and the adopted offspring than the adoptive parents and the adopted offspring,then which is inferred?

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It is safe to say that given our current understanding of antisocial behaviour that:

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Rhee and Waldman (2002) completed the most comprehensive meta-analytic review of twin and adoption studies on antisocial behaviour and concluded that the variance in antisocial behaviour that can be attributed to heritability is:

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Having hypoglycemia decreases the likelihood that someone will engage in antisocial behaviour.

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Heritability coefficient represents the proportion of genotypic variance of a given behaviour.

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The gene implicated in antisocial behaviour and aggression,the low-activity MAOA gene,expresses itself only in the presence of certain environmental cues,such as childhood abuse or provocation.

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The "father of criminology" is considered to be:

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