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Applying the Taxonomy of Validity Threats from Mainstream Research Design to Single-Case Experiments in Applied
Anna Ingeborg Petursdottir1, James E Carr2
11Department of Psychology, Texas Christian University, TCU Box 298920, Fort Worth, TX 76129 USA.
Behavior Analysis in Practice
|October 27, 2018
Summary
This study translates experimental validity threats for single-case research in applied behavior analysis. It helps researchers improve designs and communicate findings to other fields.
Area of Science:
- Social and Behavioral Sciences
- Applied Behavior Analysis
Background:
- The Campbell and Stanley (1966) taxonomy of threats to experimental validity is widely used in social and behavioral sciences.
- Shadish, Cook, and Campbell (2002) updated this framework, primarily for group-design experiments.
Purpose of the Study:
- To apply the Shadish et al. (2002) validity threats framework to single-case experimental research.
- To translate the taxonomy for applied behavior analysis (ABA) researchers and educators.
- To enhance the design and interpretation of ABA research and interdisciplinary communication.
Main Methods:
- Analysis of Shadish et al.'s (2002) threats to internal, external, statistical conclusion, and construct validity.
- Application of this analysis to single-case experimental research designs common in ABA.
Main Results:
- The study provides a framework for understanding and addressing threats to validity in single-case experimental research.
- It offers a "translation" of established validity concepts into ABA-specific terminology and considerations.
Conclusions:
- The application of the validity threats taxonomy enhances the rigor of single-case experimental research in ABA.
- This translation facilitates clearer communication of ABA research designs and findings to researchers in other disciplines.
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