Caspi Et Al

Question 1

Aim (caspi et al)

Answer 1

Discover why stressful events can lead to depression in some cases but not others
Wanted to see if their is a genetic link
5H-TT

Question 2

Procedure (caspi et al)

Answer 2

3 group a
G1 - short, short -17%
G2 - short, long - 51%
847 participants
Longitudinal study( long period of time)
21st - 26th birthday -measuring life events
Assessed if they had symptoms of depression between 21st-26th birthday

Question 3

Results (caspi et al)

Answer 3

-participants one short, more likely show an increase of depression in more stressful life evens
-2 short likely suicidal thoughts
-short more likely than those with 2 long

Question 4

Conclusion (caspi et al)

Answer 4

-there is an interaction between life events and genetics
-nature and nurture are to play

Question 5

Strength (caspi et al)

Answer 5

-real world applications ( doctors use it to find and understand a cause )
-large sample size

Question 6

Limitations (caspi at el)

Answer 6

-participants with short 5-HTT gene were putting themselves in situations that are more stressful
-data is from questioners (self-reported, unreliable)