Elms and Milgram (1966) - Procedure
Found participants from Milgram's last experiment (2 months prior)
20 'obedient' participants and 20 'defiant' participants (the ones that continued shocking and the ones that didn't)
Took a personality test and an F-scale test
Then asked open ended questions about things such as childhood, parents and their attitudes towards observer, teacher and participant in the prior experiment