Strengths
Weaknesses
Source of bias- unrepresentative sample
Gould- androcentric, mainly USA recruiters
Freud- only 1 child
Hancock- only Canadian men, all committed the same crime
Source of bias- unreliable method
Gould- not standardised due to time constraints
Freud- subjective interpretation + didn’t meet the child in person
Source of bias- invalid design
Gould- socially sensitive + promoted racist ideology against POC
Source of bias
-ve: Cultural- Gould
+ve: Gender- B-C
-ve: Experimenter- Freud
+ve: Social desirability- Hancock (as it was double-blind process)