name 5 strengths of this study
(sample)- all men aged 20-50 so comparable to nazis
(sampling method)- all volunteers so more likely to be willing participants
(validity)- believable to participants, they thought they were giving the shocks so behaved genuinely
(reliability)- standardised procedure, all participants experienced the same events
(lack of demand characteristics)- participants were deceived so they didn't know the aim of the study