Final answer:
Behavioral inhibition is a temperament trait characterized by shyness and fearfulness. A child with behavioral inhibition may be diagnosed with social anxiety disorder, which includes fear or anxiety in social situations and avoidance of such situations.
Step-by-step explanation:
Behavioral inhibition refers to a temperament trait in which a child is characterized by being shy, cautious, and fearful of new or unfamiliar situations. These children tend to withdraw from social interactions and may display anxious behavior. The diagnosis for a child with behavioral inhibition would fall under the category of anxiety disorders, with social anxiety disorder being a common outcome. Diagnostic criteria for social anxiety disorder include persistent fear or anxiety in social situations, avoidance of social situations, and significant distress or impairment in functioning.