Genetic Theories

Question 1

The Cambridge study :
What years
What is the study described as (time wise)
How many families and how many showed criminality
What is the gene that physcopaths have
_____vs______

Answer 1

-1961
-longitudal study
-397 families half of all the convictions came from 23 famlies
Warrior gene
Nature va nurture

Question 2

TWIN STUDIES
Monozygotic means
Dizygotic means

Answer 2

-identical
- not identical

Question 3

Christines study tested only _____ in the country ________ this shows the test as what 2 things

Answer 3

-Males gender biased
-Denmark culture biased

Question 4

TWIN STUDIES
for males if 1 monozygotic twin has a criminal record how likely is the other one to also have it
What percentage of dizygotic twins r likely to both share the criminality

Answer 4

-35%
-13%

Question 5

TWIN STUDIES
for females Thr likely hood of both sharing criminality
Monozygotic-
Dizygotic -

Answer 5

-21%
-8%

Question 6

ADOPTION STUDIES
how many sons tested
Why is it culture biased
Birth parent to child percentage correlation
Adoptive parent to child correlation

Answer 6

14000
Only done in Denmark
20%
14.7%

Question 7

TWIN STUDIES
2 strengths

Answer 7

-since they are genetically the same it makes logical sense that genetics are a factor
-christean (1977) agreed that genetics must play a factor

Question 8

TWIN STUDIES
2 weaknesses

Answer 8

Sample may not represent the general population
Culture bias
Imposible to separate genes from environment

Question 9

ADOPTIVE STUDIES
2 strengths

Answer 9

Exposed to diffrent environments from their birth family
Diffrent to twin study with this one it’s impossible to seperate genes

Question 10

ADOPTIVE STUDIES
2 weaknesses

Answer 10

-adoptive children usually get placed in similar environments to birth family
-age of adoption impacts how they grow up