Answer :

Developmental psychologists  is the study of cognitive skills, moral reasoning, and social behavior across the lifespan.

What is Developmental psychologists?

Developmental psychologists  can be defined as the process of studying  human  cognitive  abilities, personality, behavior among others.

Developmental psychologists  is important to psychologists  as it enables them to study human development or growth  including how human tend to change and adapt to life event.

Therefore  Developmental psychologists  is the study of cognitive skills, moral reasoning, and social behavior across the lifespan.

Learn more about Developmental psychologists here: https://brainly.com/question/26476042

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