gustav jahoda

key study

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CRIME
GUSTAV JAHODA ­ name
AIM ­ to investigate whether self fulfilling prophecy can affect criminality
DESIGN
Natural field experiment (IV was naturally occurring)
Independent measures design
IV ­ whether the boys were named Kwadwa or Kwadku
DV ­ the number of boys arrested with each name
PROCEDURE
Looked at the Ashanti people of Africa
Name was linked to temperament
Monday ­ calm and peaceful
Wednesday ­ aggressive and angry
Arrest records were studied
RESULTS
22% arrested were born on Wednesday
Only 6.9% arrested were born on Monday
CONCLUSION
The Ashanti boys born on Wednesday were expected to be aggressive ­ people around them
would have treated them differently
Conformed to those expectations
EVALUATION
Strength Weakness
Arrest records ­ not everyone is arrested
Only boys ­ gender bias ­ not generalisable
Only Africans ­ ethnocentric
Does not specify type of crime
Only correlation as it would be unethical to
study the theory by treating someone differently

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