Shannon maguire directed diary 1 and beeban kidron directed diary 2
The introductory information addresses what the study will entail(talk about)
The setting discusses existing data on your topic and where it takes place
Answer: A psychologist is a professional who practices psychology and studies normal and abnormal mental states, perceptual, cognitive, emotional, and social processes and behavior by experimenting with, observing, interpreting, and recording how individuals relate to one another and to their environments.
Explanation: an expert or specialist in psychology.