Professor Swenson is interested in university students' reactions to the death of a popular rock star

For two weeks, Professor Swenson spends one hour a day in a popular cafeteria, inconspicuously listening to students, joining in their conversations when the topic of the dead rock star comes up, and recording what the students have to say. Professor Swenson is conducting ________ research.

a. observational
b. experimental
c. correlational
d. archival

Answer: A