AN EXAMINATION OF STRATEGIES FOR GAINING CONVERGENT VALIDITY IN NATURAL EXPERIMENTS - DARE AS AN ILLUSTRATIVE CASE-STUDY

被引:10
作者
MCNEAL, RB [1 ]
HANSEN, WB [1 ]
机构
[1] WAKE FOREST UNIV,BOWMAN GRAY SCH MED,DEPT PUBL HLTH SCI,WINSTON SALEM,NC 27103
关键词
D O I
10.1177/0193841X9501900202
中图分类号
C [社会科学总论];
学科分类号
03 ; 0303 ;
摘要
Widely disseminated programs often fail to include experimental or quasi-experimental evaluation designs to test effectiveness. This article presents several data-analyzing strategies that may help evaluators assess program effectiveness under the conditions of natural experiments. The suggested methodology is to perform multiple independent analyses to demonstrate the degree of convergence or divergence on outcomes of the D.A.R.E. (Drug Abuse Resistance Education) prevention program. When used in combination, multiple analyses strengthen the estimate of program effect by minimizing potentially spurious results that may emerge due to a particular analytic strategy.
引用
收藏
页码:141 / 158
页数:18
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