Single-case design research: Building the evidence-base in the field of education of deaf and hard of hearing students

Document Type

Article

Publication Date

12-1-2016

Abstract

THE FIELD of education of deaf and hard of hearing (DHH) students has a paucity of evidence-based practices (EBPs) to guide instruction. The authors discussed how the research methodology of single-case design (SCD) can be used to build EBPs through direct and systematic replication of studies. An overview of SCD research methods is presented, including an explanation of how internal and external validity issues are addressed, and why SCD is appropriate for intervention research with DHH children. The authors then examine the SCD research in the field according to quality indicators (QIs; at the individual level and as a body of evidence) to determine the existing evidence base. Finally, future replication areas are recommended to fill the gaps in SCD research with students who are DHH in order to add to the evidence base in the field.

Publication Title

American Annals of the Deaf

Volume

160

Issue

5

First Page

440

Last Page

452

Digital Object Identifier (DOI)

10.1353/aad.2016.0007

PubMed ID

26853064

ISSN

0002726X

E-ISSN

15430375

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