Matias, a five-year-old, has just started preschool. As a preschooler, he must get used to being away from his parents for a few hours and being around other children and adults. His parents feel that this change may be difficult for him. A psychologist studying Matias's case is likely to belong to the field of:.a. clinical psychology b. developmental psychology c. health psychology d. evolutionary psychology

Development psychology

Explanation:

Development psychology is the psychology that explains about the consistency, change, and growth in the lifespan. Developmental psychology is the psychology that focuses on how people think, feel and behave in an environment.

This proportion of theories has been focused on the development of a person's childhood and lifespan. The developmental psychologist study about the different areas of the lifespan such as the emotions, psychological, biological and sociological.  

Thus here Matias's case is just like the that belongs to the area of developmental psychology.  

explanation:

it was dumb and stupid town

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