Assignment task: Write down the type of research method with the examples provided:
a. Researchers observe and interview a tribe in Africa.
b. Researchers hand out surveys to participants on campus.
c. Researchers watch couple's behaviors in a lab.
d. Researchers use the electroencenphalogram (EEG) to record brain wave activity among infants.
e. Researchers watch children's behavior on a playground at an elementary school.
f. Researchers observe a young woman that has been abandoned and raised by wolves.