Breaking the Vicious Cycle of Media Violence Use and Aggression: A Test of Intervention Effects Over 30 Months
Breaking the Vicious Cycle of Media Violence Use and Aggression: A Test of Intervention Effects Over 30 Months
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DOI：
10.1037/a0036627
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发表时间：
2015-04
影响因子：
2.8
通讯作者：
B. Krahé;R. Busching
中科院分区：
文献类型：
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作者：
B. Krahé;R. Busching
目的：本研究探讨了媒体暴力干预在减少媒体暴力使用、规范接受攻击和青少年攻击行为方面的持续有效性。它使用了一种实验设计来评估干预措施在30个月内的效果。方法：N = 627名德国七年级和八年级学生被分配接受为期5周的校本干预，以减少媒体暴力的使用，或分配到无干预对照组。在干预前3个月（T1）、干预后7个月（T2）以及干预后18个月（T3）和30个月（T4）的2次随访中，测量了媒体暴力使用、对攻击的规范接受和攻击行为。本文重点介绍了2次随访的结果。结果如下：控制基线水平和各种人口统计学协变量，T2，T3和T4的媒体暴力使用和T3的自我报告的身体攻击在干预组显着降低，从干预到T3攻击通过T2媒体暴力使用的间接路径是显着的。较低的T2媒体暴力使用预测较低的T3标准接受的侵略与较低的初始侵略的参与者。没有观察到对非暴力媒体使用和关系攻击的影响。结论：研究结果表明，基于阶级的短期干预可以对媒体暴力的使用产生持久的变化，这与攻击性的减少有关。
Objective: This study examined the sustained efficacy of a media violence intervention in reducing media violence use, normative acceptance of aggression, and aggressive behavior in adolescents. It used an experimental design to evaluate the effects of the intervention over a period of 30 months. Method: N = 627 German 7th and 8th graders were assigned to a 5-week school-based intervention to reduce media violence use or to a no-intervention control group. Media violence use, normative acceptance of aggression, and aggressive behavior were measured 3 months before the intervention (T1), 7 months post intervention (T2), and at 2 follow-ups 18 (T3) and 30 (T4) months after the intervention. This article focuses on the findings from the 2 follow-ups. Results: Controlling for baseline levels and various demographic covariates, media violence use at T2, T3, and T4 and self-reported physical aggression at T3 were significantly lower in the intervention group, and the indirect path from the intervention to T3 aggression via T2 media violence use was significant. Lower T2 media violence use predicted lower T3 normative acceptance of aggression among participants with lower initial aggression. No effects on nonviolent media use and relational aggression were observed. Conclusion: The findings show that a short class-based intervention can produce lasting changes in media violence use that are linked to a decrease in aggression.