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한민경(Min Kyung Han),김선진(SeonJin Kim) 한국언어청각임상학회 2021 Communication Sciences and Disorders Vol.26 No.2
Objectives: This study aimed to examine the relationships between college students’ hearing symptoms, attitudes toward noise, and use of hearing protection in two situations: exposure to high levels of sound in noisy environments and unsafe use of personal listening devices (PLDs). Methods: A total of 278 college students completed an anonymous online survey regarding their experience with hearing symptoms associated with their exposure to noise, attitudes toward noise, and use of hearing protection. Results: Over 84% of the college students reported experiencing at least one hearing symptom with limited concentration at the highest rate of experience. When the college students were exposed to noise, there were significant associations between college students’ hearing symptoms, attitudes toward noise, and use of hearing protection in the two situations. However, when using personal listening devices, there was insignificant association between hearing symptoms and attitudes toward noise; and use of hearing protection was associated with hearing symptoms but not with attitudes toward noise. Conclusion: College students’ experience with and perception of noise may influence their behavior in preventing hearing loss. It may be beneficial if hearing conservative programs emphasize educating college students of the negative effects of noise and changing their attitudes toward noise, which can help them take preventative measures against noise-induced hearing loss. 배경 및 목적: 청(소)년들은 여가나 오락 등 소음이 발생하는 활동에 많이 참여하고 개인용 음향장치를 안전하지 않게 사용하면서 심각한 소음에 노출되어 있다. 이에 본 연구는 대학생들의 청각이상증상과 소음에 대한 태도, 청력보호장비 사용 간의 관계를 알아보고자 하였다. 방법: 대학생 278명이 온라인 설문조사에 무기명으로 참여하여, 청각이상증상, 소음에 대한 태도, 청력보호장비 사용에 대한 질문에 응답하였다. 결과: 본 연구에 참여한 대학생 84% 이상이 소음으로 인한 청각이상증상을 적어도 하나 이상을 경험한다고 보고 하였는데 이 중, 소음으로 인한 집중력 저하를 경험하는 학생들이 가장 많았다. 소음환경에서, 청각이상증상을 경험하는 학생일수록 그렇지 않은 학생에 비해 소음을 문제로 인식하였고, 소음으로 생긴 청각이상증상을 경험할수록, 그리고 소음에 대해 부정적인 태도를 갖을수록 그렇지 않은 학생들보다 청력보호장비를 더 자주 사용하였다. 그러나 개인용 음향장치를 사용할 때는, 청각이상증상과 소음에 대한 태도 간에는 유의미한 연관성이 없고, 소음으로 생긴 청각이상증상을 경험할수록 청력보호장비를 더 자주 사용하였으나 부정적인 태도와 청력보호장비 사용 간에는 유의미한 연관성이 없었다. 논의 및 결론: 대학생들이 소음을 어떻게 경험하고 인식하느냐가 소음성 청각장애 예방 조치를 취하는 데 영향을 미칠 수 있다. 따라서 소음성 청각장애 예방 프로그램을 통해, 대학생들이 소음의 위험성을 인지하고 소음에 대한 태도를 바꾸어 소음성 청각장애 예방 조치를 취하도록 도와주어야 할 것이다.
남수미 ( Nam Soomi ),김선진 ( Kim Seonjin ),김민주 ( Kim Min Joo ) 한국리듬운동학회 2020 한국리듬운동학회지 Vol.13 No.2
The purpose of this review was to summarize the domestic research using interactive metronome(IM) and investigated how IM was used in this research. This research might help the professionals in sport and dance and the other fields to apply fundamental information related to IM. There were a total of 19 selected papers out of 194 IM-related papers searched in the last 20 years based on the criteria of analysis. As a result, IM was functioned as a training tool or assessment tool for personal timing ability in clinical and research domain. In South Korea, most previous research using IM has been conducted to target a single subject or group who have developmental disabilities and investigated the effect of IM intervention program for these participants in physical education, occupational, and physical therapy fields. We expected that it would activate research related to timing and provide basic information in terms of tool selection for required research design based on this review. In the future, it might be conducted that scientific research will be needed to quantify a timing ability through research on participants of various characteristics and study relationship with many variables related to rhythm in various field such as physical education and dance.
한국형 전술차량 후방밴 강성·강도 보강을 통한 내구성 향상에 관한 연구
박진원 ( Park Jinwon ),김두호 ( Kim Dooho ),송부근 ( Song Buguen ),김선진 ( Kim Seonjin ),윤상진 ( Yun Sangjin ) 한국품질경영학회 2018 품질경영학회지 Vol.46 No.2
Purpose: The purpose of this study was to improve the FRP Van’s durability by analyzing the problematic parameters, redesigning the rear van, and verifying the design drafts using the CAE analysis & Rig test. Methods: The collected data through the government quality inspection and field spot check were thoroughly analyzed through the characteristics diagram and the improvement suggestions were verified by performing CAE analysis, like the dynamic stiffness, Torsional stiffness, open/close condition’s strength, Full car durability and Carrying out the actual test. Results: The results of this study are as follows; The output of CAE analysis shows that improvement suggestions have considerable effects on the reinforcement of FRP structure, and the actual torsion and open/close condition durability test prove that rear van may have durable life which is equivalent to vehicle life cycle. Conclusion: The structural weakness of KLTV’s FRP rear van was overcome by applying the stiffener in rear van and changing the bonding method of each FRP pieces. That suggestions were proved using CAE analysis and Rig test.