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      • 계단을 오르내리는 전동휠체어

        조수희,정연두 한국특허학회 2010 특허학연구 : 한국특허학회지 Vol.12 No.2

        우리사회는 복지 후원의 개편으로 장애우의 증가에도 불구하고 휠체어 보급률이 높아지고 있는 추세이다. 최근에는 로봇 기술을 휠체어 연구에 활용함으로서, 장애우의 전반적인 생활환경 개선 요구를 수용하고 있다. 따라서 본 논문에서는 휠체어의 기본 정의를 살펴보고, 로봇 기술이 접목된 '계단을 오를 수 있는 휠체어'의 핵심 원리와 기술을 살펴보고자 한다. 마지막으로 휠체어와 관련된 최신 동향과 휠체어에 접목시킬수 있는 첨단기술에 대하여 국내외에서의 연구방향도 모색해 본다.

      • 명화감상과 연계된 확장활동이 유아의 공간능력에 미치는 영향

        조수희 한국교원대학교 유아교육연구소 2011 한국유아교육연구 Vol.13 No.1

        본 연구는 명화감상과 연계된 확장활동이 유아의 공간능력에 영향을 미치는가를 알아보는데 목적이 있다. 만 5세 유아 39명을 실험집단(20명)과 통제잡단(19명)으로 하여 12주간 12회의 실험처치가 이루어졌다. 실험집단 유아들에게는 명화감상과 연계된 확장활동을 처치하였고, 통제집단에는 생활주제에 따른 유치원 일과운영에 따라 활동을 이행한 뒤 사전-사후 검사에서의 증가분에 대한 집단 간 차이 검증을 하였다. 연구 결과 명화감상과 연계된 확장활동은 유아의 공간능력 하위요소 모두 긍정적인 영향을 미치는 것으로 나타났다. The purpose of this study was to examine the professional development of teachers, their needs for the basis of knowledge, the relationship of their career to professional development and needs for the basis of knowledge and the relationship between their professional development and needs for the basis of knowledge. The subjects in this study were 461 assistant principals and teachers in public kindergartens under the umbrella of the Gangwon-do Office of Education. An instrument used in this study to assess the professional development of the kindergarten teachers was Baek Eun-joo & Cho Boo-kyung(2004)'s inventory, and the other used to evaluate their basis of knowledge was Cho Boo-kyung, Park Eun-hye & Lim Seung-ryeol (1998)'s inventory. As to data handling, F-test was carried out to check their professional development and needs for the basis of knowledge, and Duncan test was utilized to make a post-hoc analysis. To look for connections between the level of their professional development and needs for the basis of knowledge, partial correlation coefficients were after having controlled a career. The research of this study were as followings: First, the professional development of the teachers was above the average in general. They scored highest in development of knowledge and knowhow, followed by ecological development and development of self-understanding. In regard to overall professional development by career, the teachers whose length of career was between 11 and 20 years ranked first, followed by those with 20 years or more of career, those with six to 10 years of career and those with five years or less of career. The intergroup gaps were significant. In terms of the three aspects of professional development, there were significant gaps in all the three aspects of professional development that involved development of knowledge and knowhow, development of self-understanding and ecological development. Second, they had strong needs for the basis of knowledge, which was above the average. They were most in need of understanding of children, followed by communication skills, research ability, understanding of the early childhood curriculum, understanding of kindergarten teacher professionalism, understanding of actual early childhood education, and understanding of educational and social phenomena. Concerning their overall needs for the basis of knowledge by career, the teachers whose length of career was between 11 and 20 years called for the basis of knowledge the most, but the gap between them and the others was not significant. As for the subfactors of needs for the basis of knowledge by career, career made a significant difference to their needs for understanding of educational and social phenomena, needs for under- standing of actual early childhood education and needs for research ability. Third, when the relationship between their professional development and needs for the basis of knowledge was investigated by keeping career in control, there was a positive correlation between the two(r=.42). The level of professional development had a positive correlation to the subfactors of needs for the basis of knowledge(r=.20 to r=.41). Among the subfactors of needs for the basis of knowledge, that was most closely linked to needs for research ability, followed by needs for understanding of kindergarten teacher professionalism, needs for communication skills and needs for understanding of the early childhood curriculum. Regarding the relationship between the three aspects of professional development and the subfactors of needs for the basis of knowledge, development of knowledge and knowhow and development of self-understanding had the closest correlation to needs for research ability, and ecological development had the strongest correlation to needs for communication skills.

      • KCI등재

        강화 학습 모델의 안전성 평가 방법: 자율 주행 사례 연구

        조수희,권령구,권기현 한국정보기술학회 2023 한국정보기술학회논문지 Vol.21 No.8

        Reinforcement Learning(RL) finds application in diverse fields such as healthcare and autonomous driving. However, due to its inherent complexity in agent decision-making and the inability to measure outcomes with the same precision as in supervised learning, there is a pressing need for research into assessing the safety of RL systems. Therefore, this paper introduces a method for evaluating the safety of RL models by combining behavior-driven development techniques with risk analysis. When applied to a driving simulation environment, the proposed approach reveals variations in the frequency of safety constraint violations among RL models, even when their average rewards are similar. The outcomes of safety assessment are anticipated to contribute to the improvement of model safety through thorough analysis and iterative enhancements across various aspects.

      • KCI등재

        On the Use of Prediction Strategy in Korean EFL Learners’ Reading Comprehension

        조수희,강유선 한국응용언어학회 2019 응용 언어학 Vol.35 No.1

        Despite the widespread understanding about the facilitative role of strategy use in reading comprehension, there has been little research evidence regarding the potential contribution of the readers’ actual performance on a specific strategy, especially prediction strategies, to their reading comprehension. Moreover, although second/ foreign language readers’ strategy use may be related to their reading abilities and language proficiency in the target language, not many studies have controlled for such effects in identifying the relationship between strategy uses and reading comprehension. Thus, this study aimed to investigate the relationship between the Korean middle school EFL learners’ actual use of prediction strategy and their reading comprehension. Furthermore, it examines whether such relationships may differ as a function of their English reading abilities and proficiency. One hundred thirty three Korean EFL middle school readers’ performance on the tests of English reading comprehension, prediction abilities, vocabulary and oral comprehension abilities was analyzed. The findings not only demonstrated the positive relations prediction strategy has with reading comprehension, but also identified different predictive roles it plays in the reading comprehension of good versus poor readers.

      • 중소도시 쇠퇴유형에 따른 재생과제 연구

        조수희,조봉운 충남연구원 2008 충남연구 Vol.1 No.1

        우리나라는 개발 중심의 정책으로 인해 수도권 인구집중과 지방의 낙후, 국토이용의 양극화, 지역의 불균형성장 등 다양한 문제점을 야기되었다. 최근 지역불균형과 낙후지역을 대상으로 하는 다양한 정책들이 추진되고 있으나, 종합적이고 체계적인 추진전략의 부재와 한정된 사업비, 형평성을 고려한 균등지원 등 투자의 비효율성, 주민참여의 부재 등으로 인하여 오히려 중소도시의 문제를 더욱 악화시키고 있다. 이러한 상황에서 중소도시가 어떻게 쇠퇴하고 있는지 그 특성을 파악하고 쇠퇴유형별 재생과제를 설정하는 연구는 중소도시 재생정책의 방향을 수립하는데 기초적인 근간이 될 것이다. 본 연구에 의해 유형화된 22개 쇠퇴도시의 특성은 연평균인구변화율이 낮고 고령화지수는 높으며, 도시확산력, 도시흡인력, 도시경제력에서 낮은 점수를 나타냈다. 이러한 쇠퇴도시의 쇠퇴유형은 다시 6개의 그룹으로 분류되었으며 도시확산력이 양수(+)인 그룹 I, II, III에 있어서는 중심시가지 활성화를 통해 도시재생을 모색하여야 하며, 그룹 I의 경우 취약한 도시경제력 육성을, 그룹 II는 도시흡인력을, 그룹 III은 도시흡인력과 도시경제력에 중점을 두어 재생방안을 수립하여야 한다. 한편, 도시확산력이 음수(-)인 그룹 IV는 도시경제력 향상을, 그룹 V는 도시흡인력 향상을 위해 노력해야 하며, 그룹 VI는 모든 요인에서 쇠퇴하고 있음에 따라 도시전체를 대상으로 한 재생방안이 필요할 것으로 사료된다. This study was carried out to classify the yearly mean ratios of population change, aging index, stagnation, and degree of decline of 50 cities, excluding the Seoul Metropolitan area, cities of the capital region (Gyeonggi-do), and six other metropolitan areas. Research was done on the actual conditions and the growth factors, according the to cities' features. This analysis categorized the cities that are in decline using a factor analysis and discrimination analysis. Features of declining cities include a low population growth rates, a low sprawl rates, a low attraction rate, low financial statuses, and a high demographic of senior citizens. The declining cities were classified into six groups. For the group I, II, and III cities the sprawl rate needs to become positive so as to bring about urban regeneration. The group I cities must establish a regeneration plan to boost their manufacturing industries, which are weak. The group II and group III cities must create more settlement environments and reinforce their economic power. Meanwhile, the cities of group IV have negative sprawl rates and must improve their economic power, while group V cities need to create more attractions. Group VI cities need to form plans for total regeneration as every factor is negative.

      • 지방중소도시 쇠퇴양상 실증분석

        조수희,성순아 충남연구원 2009 충남연구 Vol.2 No.1

        우리나라의 지방중소도시는 세계화, 산업구조의 변화, 인구감소, 성장위주의 국토정책 등으로 인해 인구감소, 노령화 가속, 지역경제 침체, 노후불량주택 증가, 수도권 인구집중, 주변 대도시 인구 흡수로 인해 전반적으로 쇠퇴하고 있는 실정이다. 이에 본 연구는 지방중소도시를 수도권 외 지역의 50개 시급도시로 정의하고 유형화된 쇠퇴도시를 대상으로 쇠퇴지역, 쇠퇴원인 등 쇠퇴양상 및 미래상을 파악하였다. 그 결과 쇠퇴도시의 인구는 지속적으로 감소하고 있으며, 주로 광업이 특화되어 있었고, 제조업, 건설업, 서비스업 등은 활성화되지 않고 있었다. 또한 11개 쇠퇴도시의 도시재생관련 공무원 165명을 대상으로 쇠퇴지역, 쇠퇴원인, 미래상 등에 관해 설문조사를 실시하여 가설을 검증하였다. 그 결과 쇠퇴도시의 쇠퇴지역은 도심으로 나타났으며, 내부쇠퇴원인은 ‘인구감소, 인구유출’, ‘일자리 감소, 산업기반약화’이었다. 쇠퇴지역과 내부쇠퇴원인은 쇠퇴도시간 차이는 없었다. 주된 외부쇠퇴원인은 ‘서울 및 수도권 흡수’와 ‘주변대도시 흡수’였으며, 쇠퇴도시별 차이가 있는 것으로 나타났다. 쇠퇴도시가 추구하는 미래상은 도시별 고유성이 반영되어 도시 간 차이가 있는 것으로 나타났다. 이러한 지방도시 쇠퇴양상에 관한 분석결과는 향후 지방도시의 재생을 위해 어느 지역을 어떤 방향으로 재생해야 하는지에 대한 정책수립의 기초자료로 활용할 수 있을 것이다. Urban cities in Korea are going into a decline because of decrease in population, accelerated aging, economic stagflation, increase of old residences, the concentration of population into the metropolitan areas, and the migration of the rural population into the big cities. This study defines 50 local cities outside the metropolitan areas and the results shows that the local cities are inferior to the big cities. The statistics on the population and industries of local cities were analyzed based on the preexisting researches on the typical declining cities in the middle of the local areas. The characteristics of the local cities show that the population is constantly decreasing, and the industry LQ on the industrial base, such as the manufacturing sector, the construction sector and the retail, wholesale, food and lodging services sector, etc. is revitalizing the regional economies. The hypothesis was verified for the differences of the region, the causes and the futures of the cities. The result of this research shows that there was no difference among the cities, and the region of them is city center. It seems that the internal declining cause is job losses, the weakening of regional industry base, decrease in the population and the influx of population into the areas. The external cause is the migration into the Capital Area and neighboring big cities, and in this respect, there are differences between the declining cities. Also, the future of their cities was different due to their originality. This research results will be used as the basis for a policy making.

      • 건조표고 버섯의 침지조건에 따른 수화양상

        조수희,조은자 성신여자대학교 생활문화연구소 2001 生活文化硏究 Vol.15 No.-

        Dried pyogo mushrooms(Lentinus edodes) rehydrated under various condition. In this study was investigated the hydration aspect of the dried Lentinus edodes that differed drying temperature while soaked in distilled water at 4±1℃, 15±2℃, 40±2℃, 60±2℃. This study was compared with the properties of hydration while soaked in distilled water, 0.5M NaCl solution and 0.5M sucrose solution at the temperature. This study also investigated the effects of drying temperature on hydration of the dried Lentinus edodes. Results were as follows. 1. The average moisture content of fresh Lentinus edodes was 80.0% and those of natural dried sample, hot air dried sample at 40℃ and hot air dried sample at 60℃ were 8.2%, 8.2% and 7.9% respectively. 2. The amount of water uptake of dried Lentinus edodes soaked in distilled water was increased as soaking temperatures get higher. Water uptake of all samples soaked at 40±2℃ and 60±2℃ increased rapidly at initial soaking and then slow as soaking time prolonged. the water absortion rate of natural dried sample and hot air dried sample at 60℃ soaked at 60±2℃ was the highest. 3. Water uptake rate constant(K) of natural dried sample dried sample soaked for 60 minutes at 15±2℃, was the highest by 0.7304. The amount of water gain of all the dried samples showed a linear relation with the square root of soaking time regardless of soaking temperature. Activation energy of water uptake of natural dried sample, hot air dried sample at 40℃ and hot air dried sample at 60℃ soaked at 40~60℃ was greater than that of at 15~40℃ by 5.5, 6.5, 2.5 times respectively. 4. Water uptake rate constant(K) of natural dried sample, hot air dried sample at 40℃ and hot air dried sample at 60℃ was the lowest in 0.5M sucrose solution to 60 minutes of soaking times by 0.319., 0.5806, 0.2352 respectively. All of them take 300 minutes over of soaking times to reach equilibrium water content state.

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