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Development and Evaluation of a Speech Recognition Test for Persian Speaking Adults

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Author(s): Mohammad Mosleh

Journal: Audiology
ISSN 1735-1936

Volume: 9;
Issue: 1-2;
Start page: 72;
Date: 2001;
Original page

Keywords: Honemically Balanced Word Lists | Persian Speaking Adults | Monosyllabic Words | Emantically Difficult Words

ABSTRACT
"nMethod and Materials: This research is carried out for development and evaluation of 25 phonemically balanced word lists for Persian speaking adults in two separate stages: development and evaluation. "nIn the first stage, in order to balance the lists phonemically, frequency -of- occurrences of each 29phonems (6 vowels and 23 Consonants) of the Persian language in adults speech are determined. This section showed some significant differences between some phonemes' frequencies. Then, all Persian monosyllabic words extracted from the Mo ‘in Persian dictionary. The semantically difficult words were refused and the appropriate words choosed according to judgment of 5 adult native speakers of Persian with high school diploma. "n12 openset 25 word lists are prepared. The lists were recorded on magnetic tapes in an audio studio by a professional speaker of IRIB. "nIn the second stage, in order to evaluate the test's validity and reliability, 60 normal hearing adults (30 male, 30 female), were randomly selected and evaluated as test and retest. "nFindings: "n1- Normal hearing adults obtained 92-1 0O scores for each list at their MCL through test-retest. "n2- No significant difference was observed a/ in test-retest scores in each list (‘P>O.05) b/ between the lists at test or retest scores (P>0.05), c/between sex (P>0.05). "nConclusion: This research is reliable and valid, the lists are phonemically balanced and equal in difficulty and valuable for evaluation of Persian speaking adults speech recognition.
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