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Audiology  2012 

Development, Validity and Reliability of the Speech Prosody Comprehension Test

Keywords: Prosody Comprehension , Test , Persian

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Abstract:

Background and Aim: The communication process includes both verbal and nonverbal elements. Nonverbal behavior or body language includes facial expression, eye contact, posture and prosody. Prosody conveys semantic or affective information to a listener. Nonetheless, so far in Iran no report on assessment of speech prosody comprehension in patients has ever been published. The aim of this study was to measure the validity and reliability of the prosody comprehension test specifically designed for the Persian language and culture.Methods: This study is a type of test development. 73 sentences were orated by 22 professional vocalists in eight different prosodies. A total of 6582 voices were prepared which were listened by 200, 18-30 year-old students and a voice specialist. Having the content validity calculated for all voices, 1473 voices were found to be unanimously agreed upon by all participants in terms of emotional status which were analyzed by a voice specialist. Eventually, 169 voices were selected for developing the prosody comprehension test including the following four subtests: none motional prosody discrimination, emotional discrimination, naming of prosody and naming conflicts. Reliability of the test was determined by performing the test on 32, 18-60 year-old normal people.Results: The designed test of comprehension prosody had 100% content validity ratio and 94% reliability and the correlation of test of prosody was 89% (p=0.001).Conclusion: This test in Persian language has appropriate validity and reliability and is appropriate for assessment of prosody comprehension.

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