Randomization Procedures for Changing Criterion Designs

To strengthen the scientific credibility arguments for single-case intervention studies, randomization design-and-analysis methods have been developed for the multiple-baseline, ABAB, and alternating treatment designs, including options for preplanned designs, wherein the series and phase lengths ar...

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Bibliographic Details
Published in:	Behavior modification Vol. 47; no. 6; pp. 1320 - 1344
Main Authors:	Ferron, John, Rohrer, Lodi L., Levin, Joel R.
Format:	Journal Article
Language:	English
Published:	Los Angeles, CA SAGE Publications 01-11-2023 SAGE PUBLICATIONS, INC
Subjects:	changing criterion design randomization test masked visual analysis
Online Access:	Get full text
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Summary:	To strengthen the scientific credibility arguments for single-case intervention studies, randomization design-and-analysis methods have been developed for the multiple-baseline, ABAB, and alternating treatment designs, including options for preplanned designs, wherein the series and phase lengths are established prior to gathering data, as well as options for response-guided designs, wherein ongoing visual analyses guide decisions about when to intervene. Our purpose here is to develop randomization methods for another class of single-case design, the changing criterion design. We first illustrate randomization design-and-analysis methods for preplanned changing criterion designs and then develop and illustrate methods for response-guided changing criterion designs. We discuss the limitations associated with the randomization methods and the validity of the corresponding intervention-effect inferences.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0145-4455 1552-4167
DOI:	10.1177/0145445519847627