Grove et al., 1990

Question 1

Biological aspects

Answer 1

-genes
-genetic similarities
-twin/kinship study

Question 2

Research method

Answer 2

correlational study

Question 3

Ethical considerations

Answer 3

anonymity

Question 4

Aim

Answer 4

to see to what extent antisocial behavior is caused by genetics.

Question 5

Methods

Answer 5

-32 sets of identical twins were studied.
-these twins had been separated shortly after birth and were adopted into different families.
-four types of behavior were studied using diagnostic tests:
. alcohol-related problems
. drug-related problems
. childhood and antisocial behavior
. adult antisocial behavior

Question 6

Results

Answer 6

-from the data, the researchers calculated the heritability of antisocial behavior in children was 41% and in adults was 28%.

Question 7

Conclusions

Answer 7

-genetics and environment are contributing factors toward antisocial behavior.
-as we get older, the environment might be more of a factor and the influence of genes reduced.