1. Such things as historical documents, newspaper reports, TV and radio broadcasts, when used in research, represents
a) Unscientific methods
b) Case-study methods
c) Archival methods
d) Unreliable sources
2. Jane Goodall observed chimpanzees fighting and killing each other. Which of the following methodologies would be most useful in telling us what caused the chimpanzee's behavior?
a) Case-study
b) Naturalistic research
c) Quasi-experimental research
d) Higher constraint research