Find the exact coordinates of the centroid. 
Definitions:
Developmental Psychologist
A professional in psychology who studies the growth and maturation of the human mind and behavior over a person's lifetime.
Personality
A set of enduring behaviors, cognitions, and emotional patterns that emerge from biological and environmental factors.
Experimental Psychologist
A scientist who studies the mind and behavior through controlled laboratory experiments.
APA Code
The ethical guidelines and standards established by the American Psychological Association to govern the professional conduct of psychologists.
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