In order to determine whether preschool children can successfully identify externalizing symptomatic behaviors (aggression and hyperactivity) in their male classmates, and whether children's perceptions are associated with peer-rated popularity and rejection, 154 preschool boys and girls were interviewed through the use of a peer-nominating…

The development, norming, and validation of the Preschool Behavior Questionnaire (PBQ) are described. The questionnaire was developed to be a screening instrument for use by mental health professionals for the early detection of children's behavior problems. The scale was standardized on a group of preschoolers aged three to six, including male…