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통합교육환경에서 AAC중재가자폐성장애 학생의 의사소통행동과문장표현에 미치는 영향
김정연 ( Jeong Youn Kim ),윤형준 ( Hyung Jun Yun ) 한국특수아동학회 2015 특수아동교육연구 Vol.17 No.1
본 연구는 통합교육환경에서 AAC 중재가 자폐성장애 학생의 의사소통행동과 문장표현에 어떠한 영향을 미치는지 알아보는데 목적을 두었다. 본 연구는 상황간 중다간헐기초선 연구설계 방법을 사용하여 초등학교 통합학급에 입급되어 있는 자폐성장애 학생을 대상으로 통합교육환경의 세 가지 상황(국어수업시간, 점심시간, 쉬는 시간)에서 의사소통행동의 빈도와 의사소통행동의 기능별 빈도, 문장표현에 미치는 효과를 살펴보았다. 연구의 결과는 다음과 같다. 첫째, 통합교육환경에서의 AAC 중재는 세 가지 상황 모두 참여 학생의 의사소통행동의 빈도를 증가시켰다. 둘째, 통합교육환경에서의 AAC 중재는 세 가지 상황 모두 의사소통 시도하기, 요구하기, 대답하기 등의 의사소통행동의 기능별 발생빈도를 증가시켰다. 셋째, 통합교육환경에서의 AAC 중재는 참여 학생의 문장표현능력을 향상시킨 것으로 나타났다. 논의에서는 본 연구의 결과에 따라, 자폐성장애 학생의 의사소통행동에 긍정적 영향을 미친 통합교육환경에서의 AAC 중재 구성 요소 및 영향들에 대해 논의하였고, 추후 연구를 위한 제언을 하였다. The main purpose of this study was to investigate the effects of AAC intervention in an inclusive education environment on communication behaviors and sentence expression of students with ASD. This study analysed its effects on frequency of communication behaviors, frequency in functions of the communication behaviors and sentence expression in three situations (A Korean language class, lunch time and recess) in an inclusive education environment targeting students with ASD placed in inclusive classes at an elementary school using a multiple probe baseline design. Results of the study are presented as follows: First, AAC interventions in the inclusive education environment increased the frequency of communication behaviors in all the three situations. Second, the AAC interventions in the inclusive education environment increased frequency in functions of the communication behaviors such as attempting communication, asking and answering in all the three situations. Third, the AAC interventions in the inclusive education environment improved sentence expression. According to the results above, this study discussed components of AAC intervention and its effects in an inclusive education environment which had a positive effect on communication behaviors in students with ASD and provided suggestions for further studies.
회주철 브레이크 디스크 표면 미세조직 형상에 따른 절삭가공 특성 연구
이관형(Kwanhyeong Lee),김동민(Dongmin Kim),윤형준(Hyungjoon Youn),김동익(Dongik Kim),이흥주(Heungjoo Lee),이익희(Ikhee Lee) 한국자동차공학회 2020 한국자동차공학회 학술대회 및 전시회 Vol.2020 No.11
In this study, research the mechanism how machinability decrease on the brake disc surface along the state of skin layer microstructure. Representatively, It has been caused by free-ferrite rim and a few kind of carbide and oxide what existing about 0.3㎜ maximum from the surface. Free-Ferrite bring worse machining condition by making lower hardness and toughness increasing on the near surface, and also creating the diffusion wear in case of cutting with CBN bite. Furthermore, Oxide and carbide precipitate make harmful chipping on the both tool and work pieces. As a result, tool life has rapidly decreased based on these of complex reasons. Point of this study is finding out the correlationship between cutting force and abrasion characteristic when is given difference microstructure on skin layer by every 0.1㎜ depth from near surface.
다공성 재료의 물리적 성질의 흡음률에 대한 영향 및 물리적 성질추정
김윤재(Yoon Jae Kim),강연준(Yeon June Kang),김정수(Jung Soo Kim),맹주영(Joo Young Maeng),윤형준(Hyung June Youn) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.5_2
The performance of acoustical materials is determined by their macroscopic physical parameters. However, these parameters are difficult to measure accurately, in some cases. The influence of each parameter on the normal incidence absorption coefficient and surface impedance was studied to estimate the properties of acoustical materials. This paper is focused on the procedure of properties estimation of porous materials by numerical method.
RSM을 이용한 흡음재의 Biot 물성과 음향 성능의 관계에 대한 DB 구축
최재민(J.M.Choi),전인기(I.K.Jun),이승철(S.C.Lee),맹주영(J.Y.Maeng),김진수(J.S.Kim),윤형준(H.J.Youn) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Porous materials are used for noise treatments. Biot's parameters such as porosity, air flow resistivity, tortuosity and stiffness characterize the behavior of porous materials and are major factors to control the acoustic performance inside vehicles. In this paper, experiments of Biot's parameters and acoustic performance are conducted to find the relation between the acoustical material properties and their performance for various absorbent materials. Response surface model (RSM) are used to build up a database to find that relations and sensitivity analysis are conducted. The influence of Biot's parameters for the performance in the frequency domain is evaluated.