Objectives. Our study tested the effectiveness of network methods for identifying opinion leaders and for constructing groups.Methods. Three conditions—random, teacher, and network—were randomly assigned to 84 6th-grade classrooms within 16 schools. Pre- and postcurriculum data on mediators of tobacco use were collected from 1961 students. Peer leaders in the network condition were identified by student nominations, and those leaders were matched with the students who nominated them.Results. Students in the network condition relative to the random condition liked the prevention program more and had improved attitudes (β = −0.06; P < .01), improved self-efficacy (β = −0.10; P < .001), and decreased intention to smoke (adjusted odds ratio [OR] = 0.46; 95% confidence interval [CI] = 0.38, 0.55).Conclusions. The network method was the most effective way to structure the program. Future programs may refine this technique and use it in other settings.
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机译：目标。我们的研究测试了网络方法在识别意见领袖和组建团队方面的有效性。随机，随机和教师和网络这三个条件被随机分配给16所学校的84个6年级教室。 1961年学生收集了有关烟草使用调解员的课前和课后数据。通过学生提名确定网络条件下的同伴领导者，并与提名他们的学生相匹配。相对于随机状况，处于网络状况的学生更喜欢预防计划，并且态度得到改善（β= -0.06； P <.01），自我效能得到改善（β= -0.10; P <.001），并且意图降低吸烟（调整后的优势比[OR] = 0.46; 95％置信区间[CI] = 0.38，0.55）。网络方法是构建程序的最有效方法。将来的程序可能会改进此技术，并在其他设置中使用它。
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