Whether a problem is occurring now, expected in the future, or foreseen for the future, it may be so serious that action must be taken immediately to prevent its developing.

The assumption that abnormal child behavior is ______________ requires that clinicians consider the influence of interacting events and developmental pathways on the developmental of a disorder.

Fill in the blank(s) with the appropriate word(s).

Your one-year old sister picks up objects feels every part of them, and then puts them in her mouth. What stage of Jean Piaget's model of cognitive development does this behavior suggest she is in?

a) concrete operations b) sensorimotor c) preoperational d) formal operations