Tendency to avoid either unfamiliar persons, locations, or situations.

Withdrawal behavior is characterized by the tendency to avoid the unfamiliar, either people, places, or situations. Though withdrawal, or avoidance, can be the result of a temperamental tendency toward inhibition to unfamiliar events, anxiety over the anticipation of a critical evaluation, or a conditioned avoidant response, often called a phobia, can produce withdrawal. These are three different mechanisms, each of which can mediate withdrawal behavior.

Withdrawal behavior is typically seen in children. The withdrawal or avoidance that is seen in the preschool years is, most of the time, due to a temperamental bias that makes some children uncertain over unfamiliar events. During later