A Synthetic Comparator Approach to Local Evaluation of School-Based Substance Use Prevention Programming.

A Synthetic Comparator Approach to Local Evaluation of School-Based Substance Use Prevention Programming.
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DOI:
10.1177/0163278712464772
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发表时间:
2014-06
影响因子:
2.9
通讯作者:
Reese, Eric L.
Reese, Eric L.
中科院分区:
医学4区
文献类型:
--
作者:
Hansen, William B.;Derzon, James H.;Reese, Eric L.

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我们提出了一种创建小组的方法,可以根据该小组来判断基于证据的项目的本地前测试后测试评估的结果。这涉及评估新的和之前进行的评估的预测试标记,以识别具有较高预测试相似性的组。包含 802 项先前当地评估的数据库提供了六项汇总措施供分析。使用这些变量的所有组的邻近度计算为标准化邻近度,其值介于 0 和 1 之间。演示了创建标准化邻近度的五种方法。该方法允许调整邻近限制以找到足够数量的合成比较器。检查几个索引案例以评估可用作比较器的组的数量。结果表明,大多数地方评估都有足够数量的比较器可用于估计项目效果。该方法有望作为本地评估工具来估计相对有效性。
We propose a method for creating groups against which outcomes of local pretest-posttest evaluations of evidence-based programs can be judged. This involves assessing pretest markers for new and previously conducted evaluations to identify groups that have high pretest similarity. A database of 802 prior local evaluations provided six summary measures for analysis. The proximity of all groups using these variables is calculated as standardized proximities having values between 0 and 1. Five methods for creating standardized proximities are demonstrated. The approach allows proximity limits to be adjusted to find sufficient numbers of synthetic comparators. Several index cases are examined to assess the numbers of groups available to serve as comparators. Results show that most local evaluations would have sufficient numbers of comparators available for estimating program effects. This method holds promise as a tool for local evaluations to estimate relative effectiveness.
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