Title

Understanding High Quality Research Designs For Speech Language Pathology

Keywords

Causality; Quasi-experiment; Randomization; Randomized controlled trial; Research design

Abstract

As innovative methods, strategies, or curriculum are introduced to assist clients with speech and language disorders, many Speech-Language Pathologists (SLPs) may question the effectiveness of the intervention and more specifically whether the results that they are seeing are the result of the intervention (i.e., cause/effect). Several research designs allow researchers to examine causality including the most widely known, the randomized controlled trial (RCT). While not all situations are suited to applying the RCT, other high quality designs may be used that still lend evidence of causality even when randomization is not possible. The purpose of this paper is to provide a brief summary and illustrations of randomized controlled trials (RCT) and quasi-experimental design (QED) that are appropriate for the study of treatment effectiveness in speech-language pathology research, present potential barriers to quality randomization, and provide guidelines to help identify RCTs.

Publication Date

12-22-2008

Publication Title

Evidence-Based Communication Assessment and Intervention

Volume

2

Issue

4

Number of Pages

218-224

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1080/17489530802646323

Socpus ID

57649234979 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/57649234979

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