Improved Randomization Tests for a Class of Single-Case Intervention Designs

被引:30
作者
Levin, Joel R. [1 ]
Ferron, John M. [2 ]
Gafurov, Boris S. [3 ]
机构
[1] Univ Arizona, Dept Educ Psychol, Tucson, AZ 85721 USA
[2] Univ S Florida, Coll Educ, Dept Educ & Psychol Studies, Tampa, FL 33612 USA
[3] George Mason Univ, Coll Educ & Human Development, Fairfax, VA 22030 USA
关键词
Single-case intervention research; design and statistical analysis; randomization tests; statistical power; internal validity; scientific credibility;
D O I
10.22237/jmasm/1414814460
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
Forty years ago, Eugene Edgington developed a single-case AB intervention design-andanalysis procedure based on a random determination of the point at which the B phase would start. In the present simulation studies encompassing a variety of AB-type contexts, it is demonstrated that by also randomizing the order in which the A and B phases are administered, a researcher can markedly increase the procedure's statistical power.
引用
收藏
页码:2 / 52
页数:51
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