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Randomization Procedures for Changing Criterion Designs.

John Ferron¹, Lodi L Rohrer¹, Joel R Levin²

¹University of South Florida, Tampa, USA.

Behavior Modification

|May 14, 2019

Summary

This summary is machine-generated.

Researchers developed new randomization methods for changing criterion designs in single-case intervention studies. These methods enhance scientific credibility for both preplanned and response-guided designs, improving intervention effect inferences.

Keywords:

changing criterion design masked visual analysis randomization test

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Area of Science:

Behavioral Science
Research Methodology
Single-Case Experimental Designs

Background:

Single-case intervention studies require robust designs to establish scientific credibility.
Existing randomization methods are available for multiple-baseline, ABAB, and alternating treatment designs.
There is a need for randomization methods applicable to the changing criterion design.

Purpose of the Study:

To develop and illustrate randomization design-and-analysis methods for the changing criterion design.
To extend these methods to both preplanned and response-guided changing criterion designs.
To evaluate the limitations and validity of these randomization approaches.

Main Methods:

Development of randomization procedures for preplanned changing criterion designs.
Development of randomization procedures for response-guided changing criterion designs.
Illustration of these methods with examples.

Main Results:

Demonstrated feasibility of randomization for preplanned changing criterion designs.
Presented novel randomization methods for response-guided changing criterion designs.
Discussed the implications for intervention-effect inferences.

Conclusions:

Randomization methods can be successfully applied to changing criterion designs.
These methods strengthen the scientific rigor of single-case research.
Further consideration of limitations is necessary for valid intervention effect conclusions.