Just watch and see what happens. See wikipedia for background information on this infamous experiment. No clue what text I could add.
On a related note. Here is a nice video of the Asch experiment, also about obedience.
And to sheer you up after the previous depressing videos; here is a fun one with kids. The children who are able to resist the temptation will (statistically) later in life experience more success. This has all to do with delayed gratification.
Florian Hoornaar 