Boston Diagnostic Aphasia Examination (BDAE) Evaluation Summary
|What does the tool measure?||The BDAE is designed to diagnose aphasia and related disorders.|
|What types of clients can the tool be used for?||The BDAE can be used with, but is not limited to clients with stroke.|
|Is this a screening or assessment tool?||Assessment|
|Time to administer|| 90 to 120 minutes (BDAE)
30 to 45 minutes (shortened version)
up to 2 1/2 hours (extended version)
|Versions||Shortened and extended versions|
|Other Languages||English, Spanish, Portuguese, French, Hindi, Finnish, and Greek|
– No studies have examined the internal consistency of the BDAE in clients with stroke.
– No studies have examined the reliability of the BDAE in clients with stroke.
No studies have examined the content validity of the BDAE in clients with stroke.
Concurrent Validity: No studies have examined the concurrent validity of the BDAE in clients with stroke.
Predictive Validity. No studies have examined the predictive validity of the BDAE in clients with stroke.
|Floor/Ceiling Effects||No studies have examined ceiling effects of the BDAE in clients with stroke.|
|Sensitivity/ Specificity||No studies have explored the sensitivity/specificity of the BDAE.|
|Does the tool detect change in patients?||No studies have examined the responsiveness of the BDAE in clients with stroke.|
|Acceptability||The BDAE administration is lengthy and some clients can become irritated with the more simplistic items.|
|Feasibility||The BDAE is widely used as an assessment of aphasia. Age and education-adjusted norms are available (Borod, Goodglass & Kaplan, 1980).|
|How to obtain the tool?||The BDAE can be obtained from one of the following websites at costs from US$435 to US$496: