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KMID : 0921420090140010058
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Korean Journal of Communication Disorders
2009 Volume.14 No. 1 p.58 ~ p.69
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The Concurrent Validity of the Korean Test for the Differential Diagnosis of Aphasia
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Lee Kun-Jai
Kim Jung-Hwan
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Abstract
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Background & Objectives: The purpose of this study was to demonstrate the concurrent validity of the standardized Korean Test for the Differential Diagnosis of Aphasia (KTDDA).
Methods: For concurrent validity, 10 aphasic patients were evaluated with the recently developed KTDDA and the Paradise?Korean version-Western Aphasia Battery (P?K-WAB).
Results: The correlation between the severity of the KTDDA and the aphasia quotient (AQ) of the P?K-WAB was significant (r = .863, p < .01). The correlation between the severity of the KTDDA and the language quotient (LQ) of the P?K-WAB was also significant (r = .980, p < .01). The repetition subtest (r = .955, p < .01), the naming subtest (r = .942, p < .01), the fluency subtest (r = .807, p < .01), the reading subtest (r = .793, p < .01), the writing subtest (r = .780, p < .01), and the auditory comprehension subtest (r = .705, p < .05) between the KTDDA and the P?K-WAB also had statistically significant correlations.
Discussion & Conclusion: We determined that the KTDDA is the official standardized tool in the assessment of aphasia, and its clinical usefulness is based on its concurrent validity with the P?K-WAB.
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KEYWORD
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aphasia, Korean Test for Differential Diagnosis of Aphasia(KTDDA), concurrent validity, Paradise-Korean type-the Western Aphasia Battery(P?K-WAB)
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