brendgen Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what year

A

2006

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what was the aim

A

using MZ and DZ twins to see if aggression is biological or environmental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what design did he use

A

twin study design

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

who rated the students for aggression

A

teachers and peers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

how did teachers rate

A

3 point scale in response to statements

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

how did peers rate

A

shown photos, matched them to predetermined statements about aggressive behaviour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what percentage was explained by genetics for social aggression

A

20% teachers and 23% peers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what impacted physical aggression more

A

genetic factors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what does a moderate correlation between social and physical aggression show

A

overlapping genetic influences

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

which type of aggression can cause the other

A

physical can cause social

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

give a conclusion

A

further analysis shows environmental factors are more influential on specific types of aggression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

give a strength of the study

A

multiple data sources (teachers + peers) = more reliable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

give a weakness of the study

A

potentially invalid assumptions, based on equal environments, undermines validity of method

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

give an application for this study

A

reducing aggression by effective interventions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly