Of the following, which is NOT a term that refers to a highly addictive, purified form of cocaine?

Psychologists refer or abrupt developmental changes as occurring ______________. In contrast, they refer to slower, more gradual changes as being _________________

A) continuously; in stages. B) in stages; continuous C) normal; abnormal D) abnormal; normal

By the time that a child has reached the end of middle childhood, what abilities are close to adult maturity?

fine motor skills gross motor skills psycho-motor skills vestibular-motor skills