In a study of behavior modification two Down's syndrome preschool children, the first a 5-year-old boy with autistic behavior patterns and the second a 4-year-old girl whose behavior problem was to reject other children, were examined. The first S was engaged in ball catching activities with a teacher with positive reinforcement (playing the S's…

Current research on school effectiveness concludes that differences among schools affect students' academic achievement. An important characteristic of effective schools is providing a safe and secure environment. An example of programs that address this issue are peer mediation or conflict resolution programs. These programs require the combined…