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On this page you will find links to ASHA resources and a table that describes the levels of evidence in communication disorders.
Find Articles will give you links to the most useful article databases for your research topic.
Digital Sources provides video and image databases.
APA Style Guides will help you find and use the citation format.
Contact the library or your librarian if you need any help or have questions.
ASHA American Speech Language Hearing Association
Alphabetical listing of Guidelines and Systematic Reviews
ASHA's National Center for Evidence-Based Practice in Communication Disorders (N-CEP)
List of systematic reviews developed by ASHA/N-CEP and ASHA members
Levels of Evidence refers to the the body of research that supports the use of a specific intervention in patient care. Types of studies are important in determining the strength of the research that supports the use of specific therapies.
Sources of information refers to the databases, journals, and finding tools used to locate resources.
|Levels of Evidence||Sources of Information|
|1||ASHA Systematic Reviews||Association of Speech-Language-Hearing Association Website|
|2||Other Systematic Reviews and Meta-analyses||PubMed, CINAHL (apply article/publication type Systematic Review) Cochrane Reviews|
|3||Randomized Controlled Trials, Clinical Trials, Cohort & other quantitative studies||ComDisDome, PubMed, CINAHL, and other relevant databases|
|4||Cohort Studies, Qualitative Studies, Case Reviews, Clinical Practice Guidelines||PubMed, CINAHL (limit to Case Reports or Practice Guidelines) other databases, check reference list for additional sources, National Guideline Clearinghouse|
|5||Clinical Reference Texts, Expert Opinion, Literature Reviews||Library catalog, ask individual for advice/knowledge|