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Alignment of Single-Case Design (SCD) Research with Individuals Who Are Deaf or Hard of Hearing with the What Works Clearinghouse Standards for SCD Research
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Wendel, Erica; Cawthon, Stephanie W.; Ge, Jin Jin; Beretvas, S. Natasha – Journal of Deaf Studies and Deaf Education, 2015
The authors assessed the quality of single-case design (SCD) studies that assess the impact of interventions on outcomes for individuals who are deaf or hard-of-hearing (DHH). More specifically, the What Works Clearinghouse (WWC) standards for SCD research were used to assess design quality and the strength of evidence of peer-reviewed studies…
Descriptors: Deafness, Partial Hearing, Intervention, Research Design
Alignment of Single-Case Design (SCD) Research with Individuals Who Are Deaf or Hard of Hearing with the What Works Clearinghouse Standards for SCD Research
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Wendel, Erica; Cawthon, Stephanie W.; Ge, Jin Jin; Beretvas, S. Natasha – Grantee Submission, 2015
The authors assessed the quality of single-case design (SCD) studies that assess the impact of interventions on outcomes for individuals who are deaf or hard-of-hearing (DHH). More specifically, the What Works Clearinghouse (WWC) standards for SCD research were used to assess design quality and strength of evidence of peer-reviewed studies…
Descriptors: Deafness, Partial Hearing, Intervention, Research Design
Methodological Challenges Encountered in Summarizing Evidence-Based Practice
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Beretvas, S. Natasha – School Psychology Quarterly, 2005
This paper details the challenges encountered by authors summarizing evidence from a primary study to describe a treatment's effectiveness using an effect size (ES) estimate. Dilemmas that are encountered, including how to calculate and interpret the pertinent standardized mean difference ES for results from studies of various research designs,…
Descriptors: Effect Size, Research Methodology, Computation, Data Interpretation