Dr Begay Wants to Learn Whether People Cooperate More Effectively

Multiple Choice

Dr. Begay wants to learn whether people cooperate more effectively with people with whom they share something in common. He invites 100 people to play a card game in his lab. The game requires people to be partnered, and he assigns half of the players a partner with the same birthday as them. The other half are assigned partners who do not have the same birthday. In all other ways, the partnerships are comparable. He observes each partnership to see whether same-birthday partners collaborate more effective than partners with different birthdays. What kind of research design is Dr. Begay using?

A) Participant observation
B) Field experiment
C) Focus group
D) Controlled experiment