Final answer:
In Milgram's small world experiment, the average number of people required to deliver the envelope was approximately six.
Step-by-step explanation:
In the experiment, Milgram discovered that a significant proportion of participants were willing to administer what they believed to be painful and potentially lethal electric shocks to another person, simply because they were told to do so by an authority figure.
In the small world experiment, the average number of people required to deliver an envelope to the designated person was found to be approximately six. And specifically, the study found that about two-thirds (65%) of participants continued to administer shocks to an unresponsive learner.
When certain aspects of the setting were modified, for instance, moving the experiment to an off-campus location or having the teacher and learner in the same room, the percentage of participants willing to deliver the highest shocks decreased significantly, highlighting factors such as proximity and the perceived legitimacy of the authority figure that influenced obedience levels.