Investigation of Single-Case Multiple-Baseline Randomization Tests of Trend and Variability

被引:23
作者
Levin, Joel R. [1 ]
Ferron, John M. [2 ]
Gafurov, Boris S. [3 ]
机构
[1] Univ Arizona, Tucson, AZ 85721 USA
[2] Univ S Florida, Tampa, FL 33620 USA
[3] George Mason Univ, Fairfax, VA 22030 USA
关键词
Single-case intervention research; Randomized multiple-baseline designs and analyses; Randomization tests of slopes and variability; VISUAL ANALYSIS; DESIGNS; AB; REPLICABILITY; STUDENTS; POWER; PAIN;
D O I
10.1007/s10648-020-09549-7
中图分类号
G44 [教育心理学];
学科分类号
0402 ; 040202 ;
摘要
Previous simulation studies of randomization tests applied in single-case educational intervention research contexts have typically focused on A-to-B phase changes in means/levels. In the present simulation study, we report the results of two multiple-baseline investigations, one targeting between-phase changes in slopes/trends and the other targeting between-phase changes in variability. For each of these measures, we examine the comparative type I errors and powers of several randomization test procedures that have previously appeared in the literature. In so doing, we propose an alternative measure of variability that is more sensitive to detecting between-phase change than is the variance itself. We conclude by providing a summary table of recommended randomization test procedures for assessing different types of intervention-based effects associated with level, trend, and variability.
引用
收藏
页码:713 / 737
页数:25
相关论文
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