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Audiology and Speech Research > Volume 13(2); 2017 > Article
Audiology and Speech Research 2017;13(2): 141-160.
Published online: April 30, 2017.
doi: http://doi.org/10.21848/asr.2017.13.2.141
국내 영아의 발성 및 조음발달 목록 개발
김진숙1, 윤지은2, 박혜진2, 박경연2, 이지현2
1한림대학교 자연과학대학 언어청각학부
2한림대학교 일반대학원 언어병리청각학과
The Development of Korean Infant Vocal and Articulatory Development List
Jinsook Kim1, Jieun Yoon2, Hyejin Park2, Kyeongyeon Park2, Jihyeon Lee2
1Division of Speech Pathology and Audiology, College of Natural Science, Hallym University, Chuncheon, Korea
2Department of Speech Pathology and Audiology, Graduate School, Hallym University, Chuncheon, Korea
Correspondence  Jinsook Kim ,Tel: +82-33-248-2213, Fax: +82-33-256-3420, Email: jskim@hallym.ac.kr
Received: February 13, 2017; Revised: March 14, 2017   Accepted: March 29, 2017.  Published online: April 30, 2017.
The purpose of this study was to develop Korean Infant Vocal and Articulatory Development (KIVAD) list and to set up a baseline for ultimately applying for articulations and vocalization of infants’ aural rehabilitation program.
24 normal hearing infants at 1-3 month age group, 28 at 4-5, 33 at 6-7, 34 at 8-9, 34 at 10-11, 35 at 12-13, 36 at 14-15, 23 at 16-17, 35 at 18- 19, 37 at 20-21, and 43 at 22-24 participated in this study. We videotaped and analyzed their 34,065 vocalizations and articulations. The vocalization samples were analyzed according to 24 types of vocalization, and then counted prevalence of a certain vocalization out of total. The articulation samples were analyzed by 17 vowels and 18 initial and seven final consonants. Two analysis methods were used. One was the proportion analysis showing a ratio of prevalence of production for a certain month period of each articulation. The other was the acquisition age analysis showing a percentage of infants who produced corresponding articulation more than three times out of total infants. Then the results were classified emerging level (25-49%), acquisition level 1 (50-74%) and acquisition level 2 (75% and over). Based on these analyses, KIVAD was composed.
Vocal developmental section was presented at ‘KIVAD_V’ and articulatory developmental sections were presented at ‘KIVAD_AA’ and ‘KIVAD_AB’ based on two analysis methods.
KIVAD can be utilized to determine an infant’s vocalization and articulation level and be useful for setting a goal in the aural rehabilitation program for the hearing impaired infants.
Key Words: Infants, Early development of vocalization and articulation, Korean Infant Vocal and Articulatory Development list.
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