Answer:Experimental psychologist.
Step-by-step explanation:
What is experimental psychology?
Experimental psychology deals with examining the relationship that exist between with how people behave and their mind.
If focuses on facts and scientific experiment.
When they do these experiments they change their variables during their research in order to establish relations between how one thinks and how they act.
The things that the experimental psychologist will examine are memory and what motivates it.
They work in secured environment where there is no chance for contamination such as working at the lab and their focus is only on controlled experiments.