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A Registered Report on Selective Reporting in Single-Case Experimental Research

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Title: A Registered Report on Selective Reporting in Single-Case Experimental Research
Language: English
Authors: Jason C. Travers (ORCID 0000-0003-1956-3519), Matt Tincani, Art Dowdy (ORCID 0000-0001-6466-6774), Heather Forbes, Jenee Vickers Johnson
Source: Remedial and Special Education. 2026 47(1):36-52.
Availability: SAGE Publications and Hammill Institute on Disabilities. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: https://sagepub.com
Peer Reviewed: Y
Page Count: 17
Publication Date: 2026
Document Type: Journal Articles
Information Analyses
Reports - Research
Education Level: Higher Education
Postsecondary Education
Descriptors: Research Methodology, Research Design, Special Education, Educational Research, Doctoral Dissertations, Effect Size, Research Problems, Journal Articles
DOI: 10.1177/07419325251350697
ISSN: 0741-9325
1538-4756
Abstract: Selective reporting is the exclusion of some study results from research reports, usually those that do not support claims of intervention effectiveness. Selective reporting inflates the perceived effects of an intervention and may mislead researchers and professionals to erroneous conclusions and courses of action. This registered report systematically investigated selective reporting in single-case experimental research studies in special education by comparing data and results reported in dissertation research published between 2010 and 2015 to respective published journal articles. Our search yielded 1,810 dissertations, of which 124 were published as journal articles and coded for discrepancies. Of the 41 dissertation-article pairs with discrepancies, we found 10 (8%) pairs that appeared to selectively report results for one or more participants and/or dependent variables. Published articles tended to report a greater number of experimental effects with larger effect sizes than dissertations. Researchers using single-case experimental designs should resist selective reporting and adopt open and transparent reporting practices.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1496652
Database: ERIC
FullText Text:
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  Data: A Registered Report on Selective Reporting in Single-Case Experimental Research
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  Data: <searchLink fieldCode="AR" term="%22Jason+C%2E+Travers%22">Jason C. Travers</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0003-1956-3519">0000-0003-1956-3519</externalLink>)<br /><searchLink fieldCode="AR" term="%22Matt+Tincani%22">Matt Tincani</searchLink><br /><searchLink fieldCode="AR" term="%22Art+Dowdy%22">Art Dowdy</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0001-6466-6774">0000-0001-6466-6774</externalLink>)<br /><searchLink fieldCode="AR" term="%22Heather+Forbes%22">Heather Forbes</searchLink><br /><searchLink fieldCode="AR" term="%22Jenee+Vickers+Johnson%22">Jenee Vickers Johnson</searchLink>
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  Data: <searchLink fieldCode="SO" term="%22Remedial+and+Special+Education%22"><i>Remedial and Special Education</i></searchLink>. 2026 47(1):36-52.
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  Data: SAGE Publications and Hammill Institute on Disabilities. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: https://sagepub.com
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  Data: 10.1177/07419325251350697
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  Data: 0741-9325<br />1538-4756
– Name: Abstract
  Label: Abstract
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  Data: Selective reporting is the exclusion of some study results from research reports, usually those that do not support claims of intervention effectiveness. Selective reporting inflates the perceived effects of an intervention and may mislead researchers and professionals to erroneous conclusions and courses of action. This registered report systematically investigated selective reporting in single-case experimental research studies in special education by comparing data and results reported in dissertation research published between 2010 and 2015 to respective published journal articles. Our search yielded 1,810 dissertations, of which 124 were published as journal articles and coded for discrepancies. Of the 41 dissertation-article pairs with discrepancies, we found 10 (8%) pairs that appeared to selectively report results for one or more participants and/or dependent variables. Published articles tended to report a greater number of experimental effects with larger effect sizes than dissertations. Researchers using single-case experimental designs should resist selective reporting and adopt open and transparent reporting practices.
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        Value: 10.1177/07419325251350697
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      – Text: English
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        Type: general
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      – SubjectFull: Special Education
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      – TitleFull: A Registered Report on Selective Reporting in Single-Case Experimental Research
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