Pearl's two year old son sam is lagging behind his peers in daycare, so she took him to a psychologist to test his motor skills, adaptive behavior, personal-social skills, and use of language. this will produce a(n) that compares sam's performance to the norm for his age group.

I believe the answer is: Developmental quotient

Developmental quotient is a numerical measurement for children's psychological development as they grow older. As basis for measurements, it used  language, perceptual skills, motors skills, independence, and social initiative as important factors for consideration.

your answer is "graduates" hope this