A Noted Psychologist and Environmentalist,Dr

Multiple Choice

A noted psychologist and environmentalist,Dr.Pigeon,has received a grant to study older persons' bird-feeding behavior in public parks.Dr.Pigeon has research assistants sit in public parks to unobtrusively collect the data.Dr.Pigeon has chosen a ____ research method.

A) case study
B) naturalistic observational
C) controlled experimental
D) survey