The increased prevalence and seriousness of antisocial behavior displayed by today's youths have become serious concerns for parents, educators, and community members. Antisocial behavior has a developmental course that starts with minor offenses in preschool (e.g., whining, teasing, noncompliance) and develops into major offenses (e.g.,…

This article describes a replication of the "First Step to Success" program (Walker, Stiller, Severson, & Golly, 1998) with at-risk students in the first and second grade to determine program effectiveness in decreasing inappropriate behaviors and increasing academic engagement time. This expands the "First Step to…