If a pharmaceutical company wants to see how well a new vacc…

If a pharmaceutical company wants to see how well a new vaccine works, they will carefully select two groups of people who have similar characteristics, and administer it to only one of the groups, then wait and see if there is a significant difference between the two groups in contracting the disease. If 50% of each group contracts the disease, what does that mean?

Alexei is interested in learning how people find meaning in…

Alexei is interested in learning how people find meaning in religious ritual. Alexei begins attending a church, in effect appearing to become one of its regular members. He gets to know the members intimately but does not take notes in front of them. Instead, he waits till he gets home at night to write notes about that day’s observations. Which research method is Alexei using?