harvey & slatin
• 96 teachers were shown 18 photographs varying in class, gender & ethnicity
• w/c & ethnic minorities generally labelled as less able
milgram
• participants (“teachers”) were instructed to give increasing shocks to a “leaner” in another room whenever they made mistakes
• 65% of the 40 participants kept going up to 450 volts
• all kept going to 300 volts