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ERIC Number: EJ968758
Record Type: Journal
Publication Date: 2012-May
Pages: 34
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0748-8491
Quality Appraisal of Single-Subject Experimental Designs: An Overview and Comparison of Different Appraisal Tools
Wendt, Oliver; Miller, Bridget
Education and Treatment of Children, v35 n2 p235-268 May 2012
Critical appraisal of the research literature is an essential step in informing and implementing evidence-based practice. Quality appraisal tools that assess the methodological quality of experimental studies provide a means to identify the most rigorous research suitable for evidence-based decision-making. In single-subject experimental research, quality appraisal is still in its infancy. Seven different quality appraisal tools were identified and compared with respect to their compliance with current standards for conducting single-subject experiments as well as their performance in evaluating research reports. Considerable variability was noted relative to the construction and content of the tools, which consequently led to variability in their evaluation results. Few tools provided empirical support for the validity of item construction and reliability of use. The "Evaluative Method", the "Certainty Framework," the "What Works Clearinghouse Standards," and the "Evidence in Augmentative and Alternative Communication Scales" were identified as the more suitable instruments currently available for the critical appraisal of single-subject experimental designs, noting their different strengths and limitations. In the absence of a "gold standard critical appraisal tool," applied researchers and practitioners need to proceed with caution when interpreting evaluation results obtained from the existing tools, keeping their context and intent in mind. (Contains 3 tables.)
West Virginia University Press. P.O. Box 6295, West Virginia University, Morgantown, WV 26506. Tel: 866-988-7737; Tel: 304-293-8400; Fax: 304-293-6585; Web site: http://www.wvupress.com/index.php
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A