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Direct linkKarna, Antti; Voeten, Marinus; Little, Todd D.; Poskiparta, Elisa; Alanen, Erkki; Salmivalli, Christina – Journal of Consulting and Clinical Psychology, 2011
Objective: The effects of school-based antibullying programs have typically been examined on small samples, with number of schools ranging from 1 to 78 (Farrington & Ttofi, 2009). This study investigated the effectiveness of the KiVa antibullying program in the beginning of its nationwide implementation in Finland. Method: At each time point,…
Descriptors: Bullying, Foreign Countries, Victims of Crime, Program Effectiveness
Card, Noel A.; Stucky, Brian D.; Sawalani, Gita M.; Little, Todd D. – Child Development, 2008
This meta-analytic review of 148 studies on child and adolescent direct and indirect aggression examined the magnitude of gender differences, intercorrelations between forms, and associations with maladjustment. Results confirmed prior findings of gender differences (favoring boys) in direct aggression and trivial gender differences in indirect…
Descriptors: Prosocial Behavior, Aggression, Adjustment (to Environment), Effect Size
Card, Noel A.; Little, Todd D. – International Journal of Behavioral Development, 2006
Aggressive behavior in childhood has long been separated into that which is proactively motivated and that which is reactive. We report a meta-analytic review of the existing empirical literature that examines the associations of each type of aggression with six indices of psychosocial adjustment: internalizing problems, emotional dysregulation…
Descriptors: Prosocial Behavior, Aggression, Sociometric Techniques, Children
