CRIM - 200 Chapter 5.docx - Sam Hines CRIM – 200 Chapter 5 Nature vs Nurture Four waves of research o Family studies o Twin studies o Adoption studies

CRIM - 200 Chapter 5.docx - Sam Hines CRIM – 200 Chapter...

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Sam Hines CRIM – 200 Chapter 5 Nature vs. Nurture Four waves of research o Family studies o Twin studies o Adoption studies o Identical twins separated at birth Family Studies Studies were done in order to examine whether criminality was more likely to be found in a given family. Dugdale o Study of the Jukes family Goddard o Study of the Kalikak family Results o Criminality is indeed more common in some families o Criminality of the mother (or head female character) had a much stronger influence on the future criminality of the children than did the father’s criminality
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Does little to advance knowledge regarding the relative influence of nature v. nurture in terms of predicting criminology Twin Studies Meant to determine the relative influence on criminality between nature and nurture o Identical twin pairs vs fraternal twin pairs Goal of the twin studies was to examine the concordance rates of identical twin pairs vs. fraternal twin pairs regarding delinquency Results o Identical twins were far more similar for the trait of criminology Adoption Studies Examined the predictive influence of the biological parents of adopted children versus that of the adoptive parents Mednick o Examined male children born in Copenhagen between 1927 and 1941
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