Aphasia Test Requirements

Adequate measures of aphasia adhere to the same general requirements of all tests; that is, they must be reliable, valid, and standardized. Several issues arise in the design of tests for use with the brain damaged, especially those with aphasia, including the range of item difficulty, overlap of aphasia examinations with intelligence tests, and the effectiveness of the test in measuring progress.

of performance: visual confrontation naming; a spontaneous or conversational speech sample that is analyzed for fluency, articulation, phrase length, prosody, word substitutions and omissions; repetition of digits, single words, multisyllabic words, and sentences of increasing length and complexity; comprehension of single words and sentences that require yes-no responses and pointing on command; word retrieval; reading and writing.

Some of the most widely used aphasia measures are the Boston Diagnostic Aphasia Examination, the Neurosensory Center Comprehensive Examination for Aphasia, the Western Aphasia Battery, the Minnesota Test for Differential Diagnosis of Aphasia, and the Multilingual Aphasia Examination.

Screening tests include the Sklar Aphasia Scale and the Reitan Aphasia Screening test. Tests of specific language performance include the Shewan Auditory Comprehension Test for Sentences, the Boston Naming Test, Controlled Oral Word Association, the Discourse Comprehension Test, the Reporter's Test, and the Token Test. A listing of aphasia assessment instruments is provided in Table II.

D. Aphasia Measures

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