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Teacher- and school-level factors influence the fidelity of implementation of school-based prevention and social character and development (SACD) programs. Using a diffusion of innovations framework, the relationships among teacher beliefs and attitudes towards a prevention/SACD program and the influence of a school's administrative support and perceptions of school connectedness, characteristics of a school's climate, were specified in two cross-sectional mediation models of program implementation. Implementation was defined as the amount of the programs' curriculum delivered (e.g., lessons taught), and use of program-specific materials in the classroom (e.g., ICU boxes and notes) and in relation to school-wide activities (e.g., participation in assemblies). Teachers from 10 elementary schools completed year-end process evaluation reports for year 2 (N = 171) and 3 (N = 191) of a multi-year trial. Classroom and school-wide material usage were each favorably associated with the amount of the curriculum delivered, which were associated with teachers' attitudes toward the program which, in turn, were related to teachers' beliefs about SACD. These, in turn, were associated with teachers' perceptions of school climate. Perceptions of school climate were indirectly related to classroom material usage and both indirectly and directly related to the use of school-wide activities. Program developers need to consider the importance of a supportive environment on program implementation and attempt to incorporate models of successful school leadership and collaboration among teachers that foster a climate promoting cohesiveness, shared visions, and support.

This study examined the linkages between parental discipline practices, peer relationships, and antisocial behavior in a 2-year longitudinal study (N= 206) of preadolescent boys (aged 9-10 at first assessment). Structural equation models were used to estimate the stability of parenting, peer relations, and antisocial constructs, and their effects on each other. The results showed that preadolescent antisocial behavior had substantial concurrent negative effects on the quality of parental discipline and peer relationships. Evidence for a reciprocal relationship between parental discipline and child antisocial behavior was found. The study specifies how parental discipline practices are involved in maintaining the stability of antisocial behavior in preadolescents. Low popularity with peers did not directly influence the child's antisocial behavior.Research has shown that antisocial behavior in children is stable over time (

Objectives We assessed the effectiveness of a 5-year trial of a comprehensive school-based program designed to prevent substance use, violent behaviors, and sexual activity among elementary-school students. Methods We used a matched-pair, cluster-randomized, controlled design, with 10 intervention schools and 10 control schools. Fifth-graders (N=1714) self-reported on lifetime substance use, violence, and voluntary sexual activity. Teachers of participant students reported on student (N=1225) substance use and violence. Results Two-level random-effects count models (with students nested within schools) indicated that student-reported substance use (rate ratio [RR]=0.41; 90% confidence interval [CI]=0.25, 0.66) and violence (RR=0.42; 90% CI=0.24, 0.73) were significantly lower for students attending intervention schools. A 2-level random-effects binary model indicated that sexual activity was lower (odds ratio=0.24; 90% CI=0.08, 0.66) for intervention students. Teacher reports substantiated the effects seen for student-reported data. Dose-response analyses indicated that students exposed to the program for at least 3 years had significantly lower rates of all negative behaviors. Conclusions Risk-related behaviors were substantially reduced for students who participated in the program, providing evidence that a comprehensive school-based program can have a strong beneficial effect on student behavior.

Systems theorists have argued that triads rather than dyads need to be considered as a basic interaction unit, particularly in regard to episodes of conflict. While theoretically appealing, the description of the strategies used and alliances formed when third parties intervene in dyadic conflict presents a number of conceptual and empirical challenges. In the present report, a reliable system for coding such third-party participation in verbal conflicts is described and is used to analyze routine family conflicts that were observed during dinner. A number of specific findings of interest are reported, including that girls were more likely than boys to intervene in all family disputes except marital conflicts, that mothers and fathers rarely sided against each other when intervening as third parties, and that the third-party strategies most commonly used corresponded with family roles: fathers used authority strategies, mothers used mediational tactics, and children used distraction. Of greater importance, however, are the general findings that document the influence of third parties on dyadic conflict. Additional family members frequently joined dyadic family conflicts, they were about equally likely to attempt to end or to continue the conflict, they formed alliances about half of the time, and their intervention strategies were related to the outcome of the conflict as well as its patterning.