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Psychometric Properties of the Korean Version of the Clinical Language Disorder Rating Scale (CLANG).
Clin Psychopharmacol Neurosci 2016; 14(1):49-56CP

Abstract

OBJECTIVE

Our study aimed to measure inter-rater and test-retest reliability, concurrent and convergent validity, and factor solutions of the Korean version of the Clinical Language Disorder Rating Scale (CLANG).

METHODS

The Korean version of the CLANG for assessing thought, language, and communication, the Brief Psychiatric Rating Scale, Young Mania Rating Scale, and Calgary Depression Scale for Schizophrenia were used to evaluate language disorder, formal thought disorder, positive and negative symptoms, manic symptoms, and depressive symptoms, respectively, in 167 hospitalized patients with schizophrenia. The factor solution was obtained by the direct oblimin method. A receiver operating characteristic curve was used to find the optimal cut-off score for discriminating schizophrenia patients with and without disorganized speech.

RESULTS

Inter-rater reliability was considered moderate (intraclass coefficient=0.67, F=3.30, p=0.04), and test-retest reliability was considered high (r=0.94, p<0.001). Five factors, namely, pragmatics, disclosure, production, prosody, and association, were identified. An optimal cut-off score of 7 points with 84.5% sensitivity and 81.7% specificity was proposed for distinguishing schizophrenia patients with and without disorganized speech.

CONCLUSION

Our findings suggest that the Korean version of the CLANG is a promising tool for evaluating language disorder in patients with schizophrenia.

Authors+Show Affiliations

Department of Psychiatry, Yong-In Mental Hospital, Yongin, Korea. Institute of Mental Health, Hanyang University, Seoul, Korea.Department of Psychiatry, Hanyang University Guri Hospital, Guri, Korea.Department of Psychiatry, Kangwon University School of Medicine, Chuncheon, Korea.Department of Psychiatry, Inje University Haeundae Paik Hospital, Busan, Korea.Department of Psychiatry, Soonchunhyang University Cheonan Hospital, Cheonan, Korea.Institute of Mental Health, Hanyang University, Seoul, Korea. Department of Psychiatry, Hanyang University Guri Hospital, Guri, Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26792040

Citation

Park, Seon-Cheol, et al. "Psychometric Properties of the Korean Version of the Clinical Language Disorder Rating Scale (CLANG)." Clinical Psychopharmacology and Neuroscience : the Official Scientific Journal of the Korean College of Neuropsychopharmacology, vol. 14, no. 1, 2016, pp. 49-56.
Park SC, Jang EY, Lee KU, et al. Psychometric Properties of the Korean Version of the Clinical Language Disorder Rating Scale (CLANG). Clin Psychopharmacol Neurosci. 2016;14(1):49-56.
Park, S. C., Jang, E. Y., Lee, K. U., Lee, J. G., Lee, H. Y., & Choi, J. (2016). Psychometric Properties of the Korean Version of the Clinical Language Disorder Rating Scale (CLANG). Clinical Psychopharmacology and Neuroscience : the Official Scientific Journal of the Korean College of Neuropsychopharmacology, 14(1), pp. 49-56. doi:10.9758/cpn.2016.14.1.49.
Park SC, et al. Psychometric Properties of the Korean Version of the Clinical Language Disorder Rating Scale (CLANG). Clin Psychopharmacol Neurosci. 2016 Feb 29;14(1):49-56. PubMed PMID: 26792040.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Psychometric Properties of the Korean Version of the Clinical Language Disorder Rating Scale (CLANG). AU - Park,Seon-Cheol, AU - Jang,Eun Young, AU - Lee,Kang Uk, AU - Lee,Jung Goo, AU - Lee,Hwa-Young, AU - Choi,Joonho, PY - 2015/05/19/received PY - 2015/06/24/revised PY - 2015/07/18/accepted PY - 2016/1/22/entrez PY - 2016/1/23/pubmed PY - 2016/1/23/medline KW - Clinical Language Disorder Rating Scale (CLANG) KW - Disorganized speech KW - Formal thought disorder KW - Schizophrenia SP - 49 EP - 56 JF - Clinical psychopharmacology and neuroscience : the official scientific journal of the Korean College of Neuropsychopharmacology JO - Clin Psychopharmacol Neurosci VL - 14 IS - 1 N2 - OBJECTIVE: Our study aimed to measure inter-rater and test-retest reliability, concurrent and convergent validity, and factor solutions of the Korean version of the Clinical Language Disorder Rating Scale (CLANG). METHODS: The Korean version of the CLANG for assessing thought, language, and communication, the Brief Psychiatric Rating Scale, Young Mania Rating Scale, and Calgary Depression Scale for Schizophrenia were used to evaluate language disorder, formal thought disorder, positive and negative symptoms, manic symptoms, and depressive symptoms, respectively, in 167 hospitalized patients with schizophrenia. The factor solution was obtained by the direct oblimin method. A receiver operating characteristic curve was used to find the optimal cut-off score for discriminating schizophrenia patients with and without disorganized speech. RESULTS: Inter-rater reliability was considered moderate (intraclass coefficient=0.67, F=3.30, p=0.04), and test-retest reliability was considered high (r=0.94, p<0.001). Five factors, namely, pragmatics, disclosure, production, prosody, and association, were identified. An optimal cut-off score of 7 points with 84.5% sensitivity and 81.7% specificity was proposed for distinguishing schizophrenia patients with and without disorganized speech. CONCLUSION: Our findings suggest that the Korean version of the CLANG is a promising tool for evaluating language disorder in patients with schizophrenia. SN - 1738-1088 UR - https://www.unboundmedicine.com/medline/citation/26792040/Psychometric_Properties_of_the_Korean_Version_of_the_Clinical_Language_Disorder_Rating_Scale_(CLANG) L2 - http://www.cpn.or.kr/journal/journal_view.html?year=2016&vol=14&num=1&page=49 DB - PRIME DP - Unbound Medicine ER -