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김정원,강지훈,김남주,김소정,김정준,류요한,박행자,오수진,우희진,조은주,조일화,최나은,한대엽,인태성,Kim, Jung-won,Kang, Ji-hoon,Kim, Nam-joo,Kim, So-jung,Kim, Jung-jun,Ryu, John,Park, Haeng-ja,Oh, Soo-jin,Woo, Hee-jin,Cho, Eun-joo,Cho, Il-hwa,C 대한물리치료과학회 2019 대한물리치료과학회지 Vol.26 No.2
Purpose: The purpose of this study was to investigate the effect of olfactory stimulation on the balance ability of the elderly. Design: Randomized controlled trial. Methods: A total of 20 subjects were randomly assigned to the olfactory stimulation group (2 males and 8 females) and deception olfactory stimulation group (3 males and 7 females). Subjects were subjected to 30 second 3 times olfactory stimulation and deception olfactory stimulation, and the assessment measured pre and post postural distance and postural speed. Results: In the elderly, the olfactory stimulation group was significantly improved the postural distance and postural speed in the eyes closed state than the deception stimulation group (p<.05). Conclusion: As the information is provided through the olfactory stimulation, the postural distance and postural speed are significantly improved. therefore, it is expected that the olfactory stimulation in the elderly will be an effective intervention method to prevent fall.
전기응답 형상회복 특성을 갖는 탄소나노튜브-폴리우레탄 나노복합체
김정원,정용채,조재환,Kim, Jeong-Won,Jung, Yong-Chae,Cho, Jae-Whan 한국섬유공학회 2005 한국섬유공학회지 Vol.42 No.4
Multi-walled carbon nanotube(MWNT)-polyurethane block copolymer(PU) nanocomposites were prepared, and their electroactive shape recovery characteristics were investigated. The nanocomposites incorporating chemically modified MWNTs showed higher modulus and breaking stress than those incorporating raw MWNTs, which was ascribed to an increased dispersion of nanotubes in the matrix polymer and increased interfacial strength between nanotubes and polyurethane molecules. However, their electrical conductivity decreased with the degree of chemical modification of MWNTs. The best properties were obtained in the composites incorporating MWNTs modified at $90^{\circ}C$ on basis of combined evaluation of mechanical and conducting properties. Good electroactive shape recovery within 10 seconds was obtained when a voltage of 10 to 30 V was applied to the composites of $3-7wt\%$ modified MWNT content.
김정원(Jung-Won Kim),이정현(Jeong-Hyun Lee) 한국인체미용예술학회 2020 한국인체미용예술학회지 Vol.21 No.3
In recent years, the beauty industry has undergone dramatic changes in response to demands for safe and sustainable products. In particular, many consumers have become more interested in the safety and origin of the ingredients in their beauty products. This has led to the improvement of laws and regulations concerned with the development of eco-friendly beauty products. Artificial components and chemicals in beauty products can cause direct and indirect harm to the users. This is because most products contain specific volatile ingredients that can be easily ingested by the human body. Until now, there has been little research into the harmfulness of these volatile organic compounds (VOCs) in workplaces, such as beauty salons. In this dissertation, a VOCs analysis and a cytotoxicity evaluation were conducted simultaneously to examine and verify the safety of hair dyes. The VOC evaluation was conducted using the ‘MS 300 55’ method, a vehicle interior air quality testing program. The cytotoxicity evaluation was also performed using the ‘TTT assay’ method. Based on the above results, this study targets the establishment of emission standards of VOCs in aesthetic products and provide basic data needed to develop eco-friendly products and improve work environments for the purposes of safety and sustainability.
타샤 튜더의 그림책을 활용한 유아의 행복감 향상 프로그램의 구성 및 적용 효과
김정원 ( Jung Won Kim ),방승연 ( Seung Yeon Bang ) 한국어린이문학교육학회 2014 어린이문학교육연구 Vol.15 No.3
본 연구는 그림책을 활용하여 유아의 행복감을 향상시키기 위한 프로그램을 구성하고 영유아교육현장에 적용한 후 그 효과를 알아보는데 목적이 있다. 이를 위하여 본 연구에서는 유아의 행복감을 향상시키기 위해 활용하기에 적절한 타샤 튜더의 그림책을 활용하여 유아의 행복감 향상 프로그램을 구성하였다. 먼저 본 연구에서는 유아의 행복, 유아문학교육, 그림책과 행복감 등과 관련된 포괄적인 문헌고찰을 통해 유아의 행복감을 향상시키기 위한 프로그램의 목표를 설정하였고, 설정된 목표에 따라 미국의 그림책 작가인 타샤 튜더의 삶과 작품세계 및 다양한 타샤 튜더의 그림책에 표현된 행복에 관한 내용을 분석하고 이를 근거로 적절한 그림책을 선정하여 프로그램의 내용을 구성하였다. 그리고 그림책을 활용하여 개발·실시된 유아기 학습자를 위한 다양한 프로그램 고찰을 통하여 본 연구의 유아의 행복감 향상을 위한 프로그램의 교수-학습 체계를 구성하였다. 다음으로는 구성한 프로그램을 서울시에 위치한 어린이집 만 4세 반에 재원 중인 유아들을 대상으로 6주간에 걸쳐 적용한 후 유아의 행복감에 미치는 효과를 측정하였다. 프로그램 실시 전·후에 유아의 행복감의 변화를 질문지를 사용하여 조사한 후 분석한 결과 타샤 튜더의 그림책을 활용한 유아의 행복감 향상 프로그램은 만 4세 반유아의 행복감 전체와 행복감 측정도구의 모든 하위요인들과 관련된 행복감을 향상시키는데 긍정적인 영향을 미치는 것으로 밝혀졌다. 이러한 결과는 유아의 행복감 향상을 위한 프로그램 개발 및 영유아교육기관 적용과 관련되어 논의되었다. A literature program to improve young children``s happiness was developed, applied in a practical early childhood education setting, and evaluated. The program was designed using Tasha Tudor``s picture books to improve children``s happiness. The purpose of the program was based on various theories and research in the field of young children``s happiness and literature education using picture books. The content of this program was developed by analyzing and categorizing Tasha Tudor``s life and her picture books with ``happiness`` themes. The teaching-learning method of the program was designed using the unit-based literature education teaching-method with various kinds of activities. And the program was evaluated according to the purpose of this program through survey. The children who participated in this program showed improvement in happiness. It was concluded that this program can be applied usefully in the development of and application to various literature programs for the improvement of young children``s happiness.
비정규직의 직무만족 결정요인 - 비정규직 선택자발성의 효과검증을 중심으로
김정원(Jung-Won Kim),서재현(Jai Hyun Seo) 한국인사관리학회 2008 조직과 인사관리연구 Vol.32 No.1
본 연구의 목적은 비정규직선택의 자발성이 비정규직의 직무만족에 미치는 영향의 직접효과와 조절효과를 탐색적 차원에서 실증적으로 분석하려는 것이다. 비정규직선택의 자발성은 그 자체가 예측변수로서 결과변수인 비정규직의 직무만족에 직접 영향을 미칠 수 있지만, 직무관련특성이나 고용관련특성이 직무만족에 미치는 영향을 조절하는 역할을 나타낼 수도 있기 때문이다.<BR> 분석결과를 요약해 보면, (1) 직무특성 중 과업중요성이 비정규직의 직무만족을 결정하는데 가장 중요한 역할을 하는 반면, 고용관계특성 중에는 동료관계가 이들 비정규직의 직무만족에 유의한 영향을 미치는 것으로 나타났다. (2) 비정규직선택의 자발성은 직무특성 관련변수들과 고용관계특성 관련변수들을 동시에 고려하는 경우에도 여전히 직무만족에 매우 유의한 영향을 미치는 직접효과를 나타냈다. (3) 반면에 비정규직선택의 자발성이 갖는 조절효과는 직무만족과 고용관계특성간의 관계에서만 유의하게 제시되었다.<BR> 끝으로, 마지막 장에 실증분석의 결과를 요약하고 관리적 시사점 및 한계점을 제시하였다. The number of contingent workers has been increasing and now represents approximately 35.5% of the Korean workforce. This trend is not confined to Korea, as contingent workers have increased in USA and Europe as well. Given the increase in contingent employment in recent years, little attempt has been made to investigate how voluntary choice affects the contingent workers" job attitudes. The main purposes of this paper is to (1) analyze the effect of job characteristics, employment relations characteristics as well as voluntary choice on contingent workers" job satisfaction and organizational commitment, and (2) investigate moderating effect of the voluntary choice. To examine the hypotheses, 206 questionnaires from contingent workers from 4 major banks in Daegu were collected and analyzed. Hierarchical regression analysis was employed as an analytical tool.<BR> The results from this study are as follows: (1) Task significance positively affects contingent workers" job satisfaction and organizational commitment. (2) Voluntary choice is shown to significantly influence workers" job satisfaction and organizational commitment as predicted. (3) However, the results do not support the hypotheses regarding the moderating effects of voluntary choice, except for between contingent workers" job satisfaction and employment relations characteristics.<BR> The implications and limitations of the study are discussed in conclusion.