Answer: Developmental
Explanation:
Developmental psychologist could be described as a study that focuses on human growth and development over a long period of time or their life span, these development includes how the individual improved or grew physically, socially, Cognitive based, personality, emotional wise. These category of psychologist work in school environment and mostly teach students. They tend to find out why and how humans grow and change over their life span, monitoring them from childhood to they grow.