• KSII Transactions on Internet and Information Systems (TIIS)
• /
• 제18권3호
• /
• pp.610-632
• /
• 2024

Mobile Learning (M-learning) adoption and success in supporting students' learning engagement mainly depend on many factors. Therefore, this study systematically reviews the literature, synthesizes and analyzes the predictors of M-learning adoption, and uses success for students' learning engagement. Literature from 2016 to 2023 in various databases is covered in this study. Based on the review's findings, the factors that influence students' learning engagement when it comes to M-learning usage and adoption, can be divided into technical, pedagogical, and social factors. More specifically, technical factors include mobile devices availability and quality, connectivity to the internet, and user-friendly interfaces, pedagogical factors include effective instructional design, teaching methods, and assessment strategies, and social factors include motivation of students, social interaction and perceived enjoyment - all these factors have a significant impact on the M-learning adoption and use success. The findings of the review also indicated that M-learning has a key role in enhancing the learning engagement of students through different ways, like increasing their motivation, attention, and participation in their process of learning, paving the way for interaction and building relationships opportunities with peers and instructors, which in turn, can lead to strengthening the learning environment. The implications of these findings extend beyond immediate educational contexts, offering vital insights for future educational technology strategies and policy decisions, particularly in addressing global educational challenges and embracing technological advancements in learning.

• KIEAE Journal
• /
• 제14권3호
• /
• pp.55-63
• /
• 2014

This study selected and analyzed filter media that can be applied in non-point pollution reduction devices aimed at processing the source of pollution on site for road runoff that increases rapidly in rainfall-runoff in order to improve the water quality of urban areas. First, the factors that affect the quality of runoff caused by sources of non-point pollution include physical and social factors such as the usage of land around the area of water collection, type of pavement and movement of cars and people, as well as rainfall characteristics such as frequency, intensity, amount and duration of rainfall. Second, the purification tests of the filter media were processed for pH, BOD, COD and T-P, and the filter media showed to have initial purification effect at that items. However, the filter media showed to be very effective for the processing of SS, T-N, Zn and Cd from the beginning to the end. Third, for filter media, zeolite and vermiculite showed to be effective for processing SS, T-N, Zn and CD constantly, and composite filter media including zeolite showed to have strong processing effects. The authors conclude that this study can be applied to technical areas and policies aimed at reducing non-point pollution in urban areas and can also contribute to allowing eco-friendly management of rainfall as well as improvement of water quality.

• 웰빙융합연구
• /
• 제6권2호
• /
• pp.39-46
• /
• 2023

Purpose: The small-scale environmental impact assessment system in Korea was introduced and implemented in August 2000, but it has a problem that it cannot guarantee implementation due to the large proportion of qualitative reduction measures for each evaluation item. Therefore, when preparing a small-scale environmental impact assessment, research was conducted on how to improve the existing simple listing-type reduction measures and qualitative evaluation standards to quantitative reduction measures and evaluation standards reflecting regional characteristics. Research design, data and methodology: The small-scale environmental impact assessment system in Korea was introduced and implemented in August 2000, but it has a problem that it cannot guarantee implementation due to the large proportion of qualitative reduction measures for each evaluation item. Therefore, when preparing a small-scale environmental impact assessment, research was conducted on how to improve the existing simple listing-type reduction measures and qualitative evaluation standards to quantitative reduction measures and evaluation standards reflecting regional characteristics. Results: As a result of the analysis of qualitative and quantitative factors, the arithmetic sum of the qualitative factors of the total six projects is 160, accounting for 80% of the total number of reduction measures, and the quantitative factors are 40, accounting for 20%. Among them, the number of qualitative reduction measures reached 97.4% for animal and plant items, and more than 90% for air quality, noise and vibration, and eco-friendly resource circulation items. Conclusions: Therefore, it is necessary to avoid establishing qualitative reduction measures and set quantitative measures as the basis, but to specify the specifications, size, and installation location related to the reduction measures, and to calculate the numerical reduction efficiency.

• 토지주택연구
• /
• 제4권1호
• /
• pp.33-42
• /
• 2013

본 연구는 주택단지계획에서 친환경적인 요소의 효율성분석에 관한 실증적 연구의 부족함을 인지하고 전국 시도별 주택단지를 대상으로 녹색건축설계요소와 정책의 투입에 따른 온실가스 저감량 산출의 효율성을 분석하여, 온실가스 배출 저감을 위한 주택단지의 설계요소 및 정책의 활성화 방안을 제시하고자 한다. 또한 지금까지 조직의 성과를 평가하는데 효과적인 기법으로 인정받고 있는 DEA의 모형을 전국 지역별 친환경주택단지 계획요소와 제도에 적용해 보았다. 연구의 결과, 16개의 지역별 친환경주택단지 CCR 효율성이 1인 지역은 5개로 서울특별시, 인천광역시, 울산광역시, 충청남도, 경상남도였고 나머지 11개의 지역은 비효율적인 것으로 분석되었다. 또한 각각의 비효율적 지역은 효율성 점수에 따라서 준거집단과의 비교를 통해 각 변수별로 달성해야 하는 비율, 측정량이 다르게 도출되었기 때문에 지역별 특성을 드러내어주고 있다. 둘째로, 건축적, 물리적 요인뿐만 아니라 제도적, 외부 환경적 요인 또한 친환경 건축의 온실가스 배출에 영향을 미치고 있으며, 가중치 점수 또한 높게 나왔다. 하지만 그 가중치 수치가 주택품질우수단지 비율에는 미치지 못하는 변수들이 다소 있었기 때문에 아직은 개별 건축물 위주의 평가가 중요하게 여겨진다고 할 수 있다. 따라서 향후 건축물 외에도 운영제도와 외부 환경적 요소에도 많은 관심을 기울여야 할 것을 시사해준다.

• 한국측량학회지
• /
• 제25권2호
• /
• pp.99-105
• /
• 2007

본 연구는 항공사진을 이용 3차원 도로설계 시뮬레이션을 적용하는데 그 목적이 있다. 기존의 수치지도를 이용한 도로설계 방법대신 수치지도에서 정확히 나타나지 않는 지형과 지물을 수치항공사진을 이용하여 3차원 도로설계에 적용하였다. 먼저 항공사진을 이용해서 정사사진을 만들고 DEM을 추출하여 수치표고모델을 생성하였다. 그리고 실제 평면 설계에 쓰이는 좌표값을 3차원설계에 적용함으로서, 도로 노선 및 경관분석에 많은 도움이 될 것으로 보인다. 또한 Virtual GIS를 이용하므로 도시계획, 식물, 토양, 수로 또는 도로형태, 홍수계획 등 많은 인자들이 평가에 사용되며 이러한 노선설계기준에 따라서 3차원 시뮬레이션을 적용하여 그 효과를 검토하고자 한다. 본 논문에서는 구조물 3차원 설계에 관한 기초적인 연구를 시행하였으며, 3차원설계를 통해 의사결정시 효율적인 판단을 할 수 있었다. 향후, 환경 친화적 시공 및 설계에 대한 연구가 이루어져야 될 것으로 판단된다.

• 한국환경과학회지
• /
• 제11권3호
• /
• pp.191-199
• /
• 2002

In this study, water protection reservoir is selected as the target which is located at the estuary of Taehwa river to analyze and examine the effects of hydraulic structure on river environment. This study aims at the definition of factors which cause the change of ecological environment of river due to the effects of the sediment protection reservoir, and the proposal of the direction of environmental friendly river space development through the analysis and examination of stream variation conditions and riverbed variation characteristics among many effects of hydraulic structure on river environment before and after removal of the sediment protection reservoir when design flow is yielded. Firstly, in case of removal the existing sediment protection reservoir, the hydraulic variation characteristics like depth drop due to removal of the sediment protection reservoir are thought of little because it is examined that depths drop with about 0.01m and 0.01~0.56m when low flow is yielded and design flood yielded, respectively. Nextly, as the examination result of the variation characteristics of flow velocity in case of removal the existing sediment protection reservoir, it is thought that the concern about riverbed erosion is not serious according to the analyzed result as the mean velocity of the channel section where the velocity varies in case of removal the sediment protection reservoir is about 0.07~1.36m/s when low flow is yielded, and is about 1.02~2.41m/s when design flood is yielded despite riverbed erosion is concerned as it is examined that flow velocity is getting increase as about 0.01m/s when low flow is yielded and about 0.01~0.44m/s when design flood is yielded. Lastly, from the prediction result of riverbed variation for each flow amount condition before and after removal the sediment protection reservoir, it is known that the variation range of riverbed is nearly constant when flow amount of the channel exceeds a specific limit as it is analyzed that the more flow amount, the more erosion and sediment in the channel section of down stream part of the sediment protection reservoir and the sediment protection reservoir~Samho-gyo, and the variation ranges according to flow amount between flood condition and design flood condition have little difference in the channel section of the upstream of Samho-gyo.

• 한국실내디자인학회논문집
• /
• 제18권6호
• /
• pp.166-175
• /
• 2009

Many cities in developed countries are showing their unique urban image reflecting their own culture, history, and aesthetic tastes. Especially color, one of the major design elements, has greater impact than other visual factors to form an unique urban characteristic. Despite the long history and cultural background, Seoul as a capital city of Korea does not have been successful to show an unique city image with the perspective of color. As a leading city of design, Seoul is trying to make its own urban identity through the symbolic environmental color, 'Seoul Color'. The purpose of this study is to identify the perception on the Seoul Color established by Seoul City among design practitioners and to suggest strategies for implementing the 'Seoul Color' in various fields of environmental design to set up un unique urban image of Seoul City. For this purpose, questionnaire survey was used and 77 questionnaires were analysed. Although most of the respondents did not know the 'Seoul Color', they recognized the importance of it as a major tool of building an unique urban identity of Seoul City. Respondents recognized the representing color image of Seoul as gray. Therefore, it shows a need for environmental policy to make an eco-friendly and lively city image of Seoul instead of current monotonous image. Also in order to make a unique urban image of Seoul city, 'Seoul Color' should be applied to the shape of landscape of Seoul differently. In addition, many strategies including advertisement, education, making up obvious goals for using the 'Seoul Color', and so on were suggested as conclusion.

• Nutrition Research and Practice
• /
• 제6권4호
• /
• pp.366-374
• /
• 2012

In order to create a worker-friendly environment for institutional foodservice, facilities operating with a dry kitchen system have been recommended. This study was designed to compare the work safety and work environment of foodservice between wet and dry kitchen systems. Data were obtained using questionnaires with a target group of 303 staff at 57 foodservice operations. Dry kitchen facilities were constructed after 2006, which had a higher construction cost and more finishing floors with anti-slip tiles, and in which employees more wore non-slip footwear than wet kitchen (76.7%). The kitchen temperature and muscular pain were the most frequently reported employees' discomfort factors in the two systems, and, in the wet kitchen, "noise of kitchen" was also frequently reported as a discomfort. Dietitian and employees rated the less slippery and slip related incidents in dry kitchens than those of wet kitchen. Fryer area, ware-washing area, and plate waste table were the slippery areas and the causes were different between the functional areas. The risk for current leakage was rated significantly higher in wet kitchens by dietitians. In addition, the ware-washing area was found to be where employees felt the highest risk of electrical shock. Muscular pain (72.2%), arthritis (39.1%), hard-of-hearing (46.6%) and psychological stress (47.0%) were experienced by employees more than once a month, particularly in the wet kitchen. In conclusion, the dry kitchen system was found to be more efficient for food and work safety because of its superior design and well managed practices.

• 한국콘텐츠학회논문지
• /
• 제17권11호
• /
• pp.491-500
• /
• 2017

최근 중국에서는 어린이 전문병원을 통해 어린이에 특화된 진료서비스를 진행하고 있으나, 어린이병원의 치유환경을 개선하기 위한 디자인적 고려는 매우 미흡한 상황이다. 특히, 어린이병원의 진료대기공간은 병원에 대한 인상을 형성할 뿐 아니라, 환아(患兒)의 심리를 안정시킬 수 있는 가장 중요한 치유공간이므로 진료대기공간의 환경디자인은 매우 중요하다. 따라서 본 연구의 목적은 중국 대도시에서 현재 운영되고 있는 어린이병원의 진료대기공간을 치유효과를 높이는 환경디자인으로 개선할 수 있도록, 북경 소재 어린이 병원들에 대한 현장조사와 치유환경디자인 평가를 진행하였으며, 이를 바탕으로 진료대기공간 환경디자인에 대한 개선방향을 도출하고자 하였다. 선행연구들을 바탕으로 병원의 치유환경 요인으로 물리적 환경, 심리적 환경, 행위적 환경 측면에서 8가지 세부요인들을 정의하였고, 북경에 위치한 어린이병원 6 곳을 방문하여 관찰 평가를 진행하였다. 평가결과, 중국 어린이병원의 경우 쾌적성, 개방감이 상대적으로 우수하였다. 반면, 물리적 환경 측면에서, 안전성, 접근성, 자연 친화성이 낮았다. 심리적 환경 측면에서, 프라이버시, 사인시스템의 심미성이 낮았다. 행위적 환경 측면에서는 활동성을 촉진할 수 있는 환경이 제공되지 않았다. 결론에서는 이러한 평가결과를 바탕으로 현재 북경에서 운영되고 있는 어린이병원의 진료대기공간의 환경디자인 개선방향을 제안하였다.

• 한국과학예술포럼
• /
• 제37권5호
• /
• pp.215-226
• /
• 2019

본 연구는 환경심리학 내용 중 하나인 환경 스트레스 관점으로 치유환경 디자인요소의 치유효과를 문헌 및 이론 중심으로 분석하였다. 치유환경 디자인요소의 객관적 치유효과를 고찰함으로서 계획적이고 체계적인 치유환경 구성에 기여할 수 있는 이론적 근거를 마련하고자 하였다. 본 연구는 3단계로 구성되어 있다. 첫 번째는 환경스트레스 이론 3가지(주의회복이론, 진화심리이론, 환경스트레스 모델)를 고찰하여 치유환경의 이론적 개념의 근거가 어떤 관점에서 파생되고 발전되어 왔는지 학문적 근거를 살펴보았다. 두 번째는 치유환경 디자인요소에 대해 고찰한 국내외 선행연구 16건을 분석하여 본 연구의 분석틀로 활용하였다. 세 번째는 치유환경 디자인요소의 치유효과를 객관적 연구방법으로 증명한 11건의 국외연구를 고찰하여 분석틀로 파악하고 치유환경 구성 시 디자인요소의 적용근거를 마련하고자 하였다. 연구결과는 다음과 같다. 첫 번째, 치유환경 개념은 라자러스의 심리학적 스트레스 이론, 얼릭의 진화심리이론에서 발전된 것으로 스트레스 감소에 영향을 미치는 비침습적 치유도구 중 하나로 활용가능함을 제시하였다. 두 번째, 치유환경 디자인요소는 물리적 환경, 심리적 환경, 사회적 환경으로 구분하여 총 15가지 요소로 정리하였으며, 자연친화성, 심미성, 개방성 순서로 선행연구에서 가장 많이 언급되었음을 알 수 있었다. 세 번째, 치유환경 디자인요소의 치유효과를 고찰한 선행연구에서는 자연친화성, 심미성과 관련된 연구사례가 대부분이었으며, 치유환경의 시각적 요소가 실제 스트레스 감소에 영향을 미칠 수 있음을 알아낼 수 있었다.