• Title/Summary/Keyword: Environment-related Characteristics

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The Effects of Toddlers' Characteristics and Child Care Environments on Toddlers' Behaviors in Child Care Center (영아특성 및 보육환경(보육시설과 교사)변인이 영아의 놀이실 행동에 미치는 영향)

  • Choi, Ji Hyun;Park, Hye Won
    • Korean Journal of Childcare and Education
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    • v.1 no.1
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    • pp.103-124
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    • 2005
  • This study aims to investigate and analyze how toddlers' characteristics and child care center's environments including facilities and care-givers' characteristics affect toddlers' behavior in child care center using observational methods. Total 40 toddlers in same numbers of boys and girls participated in this study. Average age of tollers were the 31.7 months ranging from 27 months to 35 months. The toddlers were observed with the observation schedule modified from observation categories of Holloway and Reichhart-Erickson(1988). Data were analysed by Pearson's correlation, t-test, one away ANOVA, Duncan Test and stepwise regression using the SPSSWIN Version. The results of the study were as follow: First, the toddlers' behaviors were related to all the toddlers' characteristics. Second, the toddlers' behaviors were related to all the characteristics of the child care facilities such as the types of facilities, the class size and the caregiver-toddler ratio. Third, the toddler' behaviors were related to caregivers' variables such as the total care experience in centers, the experience with toddler care, the martial status, the certificate types except the child rearing experience and the educational level. Fourth, the toddlers' characteristics were more significantly related to the behavior of them than those of child care centers' environment.

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A Study on the Consciousness of Rural Community Residents' Environment Preservation (농촌지역주민의 환경보전 의식구조에 관한 연구)

  • 김성수;오해섭;고운미
    • Hwankyungkyoyuk
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    • v.12 no.1
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    • pp.348-364
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    • 1999
  • The objectives of this study were: (a) to measure the level of rural community residents' environmental preservation consciousness, (b) to identify the variables related to their level of environmental preservation consciousness, and (c) to provide suggestions to improve their environmental preservation consciousness. The major findings of this study were as follows; 1) Personal characteristics- gender, years of education, age, and income- were related to the rural communities residents' the environmental preservation consciousness. 2) Social characteristics- membership in environmental organizations, participation in environmental preservation campaigns, environmental dispute within their communities, experiences of participation in environmental dispute in their communities, participation in environmental education-were related to the rural community residents' the environmental preservation consciousness. Based on the above findings, the following suggestions are offered: 1) To improve rural community residents' environmental preservation consciousness, residents in rural community should be motivated and encouraged to participate in environmental and agriculture-related organizations. 2) To effectively solve environmental disputes among rural community residents and between rural communities, central and local governments should provide opportunities for rural residents to acquire their sound environmental consciousness. 3) Environmental preservation consciousness should be assessed including affective domain, cognitive domain, and behavioral domain. Appropriate environmental education programs should be developed after considering rural residents' personal characteristics including education level, income, gender, years of residency, and are.

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User Benefits Analysis of Customized House Design Guidelines for Physically Disabled People (지체장애인 맞춤형주택 디자인가이드라인의 사용자혜택 분석)

  • Lee, Yeun-Sook;Jang, Mi-Seon;Park, Ji-Young
    • Journal of the Korean housing association
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    • v.26 no.6
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    • pp.93-102
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    • 2015
  • Most existing residential environment of disabled people has made them exposed to the risk of safety accidents, and therefore hinders their independent living. In this regard, the importance of desirable residential environment has emerged. Some preceding studies have addressed the characteristics of disabled people's residential environment plan; however, the information on what environmental benefits are offered through such characteristics is insufficient. This study aims to analyze the housing design guidelines for disabled people in respect of the benefit of disabled people who are actual users. In this study, essential design guidelines for disabled people verified through expert workshop panel was analyzed based on user benefit theory. According to the study results, the total guidelines have the most characteristics supporting behavioral facilitation, and mainly consist of physiological maintenance characteristics related to disabled people's health and safety. Also, it is founded that environmental affordance essentially required depending on each spatial function was different. The ratio of physiological maintenance item is high in access route, unlike living room, kitchen and bed room where behavioral facilitation is especially emphasized. These findings can be utilized as basic data for customized residential environment plan to realize residential welfare for disabled people.

Fractal kinetic characteristics of uranium leaching from low permeability uranium-bearing sandstone

  • Zeng, Sheng;Shen, Yuan;Sun, Bing;Tan, Kaixuan;Zhang, Shuwen;Ye, Wenhao
    • Nuclear Engineering and Technology
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    • v.54 no.4
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    • pp.1175-1184
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    • 2022
  • The pore structure of uranium-bearing sandstone is one of the critical factors that affect the uranium leaching performance. In this article, uranium-bearing sandstone from the Yili Basin, Xinjiang, China, was taken as the research object. The fractal characteristics of the pore structure of the uranium-bearing sandstone were studied using mercury intrusion experiments and fractal theory, and the fractal dimension of the uranium-bearing sandstone was calculated. In addition, the effect of the fractal characteristics of the pore structure of the uranium-bearing sandstone on the uranium leaching kinetics was studied. Then, the kinetics was analyzed using a shrinking nuclear model, and it was determined that the rate of uranium leaching is mainly controlled by the diffusion reaction, and the dissolution rate constant (K) is linearly related to the pore specific surface fractal dimension (DS) and the pore volume fractal dimension (DV). Eventually, fractal kinetic models for predicting the in-situ leaching kinetics were established using the unreacted shrinking core model, and the linear relationship between the fractal dimension of the sample's pore structure and the dissolution rate during the leaching was fitted.

An Analysis of Fishing Village Extinction Factors to Increase the Inflow of Fishing Village Population (어촌인구 유입 증대를 위한 어촌소멸 요인 분석)

  • Kyeong-Won Woo
    • The Journal of Fisheries Business Administration
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    • v.54 no.1
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    • pp.023-036
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    • 2023
  • Global food prices have skyrocketed due to international uncertainties such as COVID-19 and the Russian-Ukrainian War. In this context, the importance of rural areas as a source of food production is also rapidly increasing. However, the issue of regional extinction is emerging as Korea faces the world's lowest fertility rate and fastest aging population. Also, rural areas are losing their population more rapidly than large cities. Therefore, this study aims to analyze the factors that can encourage the influx of fishermen to prevent the disappearance of these fishing villages. As a result of the analysis, in order to prevent the disappearance of fishing villages, among the infrastructure, natural environment, and residential environment variables, the ratio of aged housing related to quality of life, culture and amenities coefficients were found to have a greater impact than other variables. Based on these results, it is judged that it is necessary to establish a sufficient level of infrastructure in fishing villages and to prioritize policies for improving the residential environment.

A Study on Characteristics of Healing Environment in the Late Work of Frank Lloyd Wright (프랭크 로이드 라이트 후기 작품의 치유환경적 특성에 관한 연구)

  • Kim, Kwang-Ho
    • Journal of The Korea Institute of Healthcare Architecture
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    • v.12 no.1
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    • pp.41-48
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    • 2006
  • The purpose of this study is to find Healing elements in the late work of Frank Lloyd Wright. Healing elements are mainly composed of physical, social and psychological functions, which are clearly reflected in holistic attitude and intuition in his Organic theory of Architecture. Late works of Wright since 1935 show particularly shapes of triangle and circle creating the emotional images associated with Hope and Infinity. His image-oriented design attitude is thought to be strongly related to the pursuit of Utopian ideal which means peaceful condition. He regarded it as the consequence of integrity and control, which could be thought as condition of Healing environment. Refuge and Prospect can be complementary elements of spatial expression representing peaceful and dynamic condition of the Nature itself. Five works selected in this case study have unique design ideas related to the function and image of Healing environment interpreted by the criteria of Refuge and Prospect.

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Job Satisfaction among ICU nurses according to the Preference and Perception of work Characteristics (근무환경 특성에 대한 선호도 및 인지도에 따른 중환자실 간호사의 직무만족도)

  • 송라윤;서연옥
    • Journal of Korean Academy of Nursing
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    • v.28 no.2
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    • pp.431-440
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    • 1998
  • The purposes of this study were to determine the factors that influence job satisfaction for ICU nurses and to analyze group differences in job satisfaction based on the nurses' preference and perception of the work environment with an enhanced professional role. A total of 231 nurses who had been working in Intensive Care Units at least for 6 months at selected university hospitals participated in the study while head nurses or those with administrative positions were excluded. The study participants had an average of 33 months of clinical experience with an age range of 23 to 40 years. The data were analyzed by utilizing SPSSWIN and the results are as follows. 1) Hierarchical multiple regression analysis showed that work characteristics defined by Job characteristics theory and nurses' preference / perception of ideal work environment together explained 33% of variance in job satisfaction. Skill variety, task identity and autonomy as well as individual perception of work environment were significant variables for explaining job satisfaction. Job satisfaction was not significantly related to age, marital status, education, and clinical experience. 2) The groups classified by nurses' preference and perception of work environment were significantly different in their job satisfaction. Nurses with high preference and high perception showed significantly higher general and specific job satisfaction than other nurses. The nurses who showed high preference but perceived their work environment as not reflecting ideal job characteristics reported the lowest job satisfaction among the groups. In conclusion, the role of individual preference and perception of the work environment in explaining the relationship between the redesign of work environment and job satisfaction was supported by the study, The preferences of nurses to the innovative work characteristics should be considered in the process of enhancing job characteristics to lead job satisfaction and low turnover and ultimately to improve quality of care.

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Suicide Rate Differences by Sex, Age, and Urbanicity, and Related Regional Factors in Korea

  • Cheong, Kyu-Seok;Choi, Min-Hyeok;Cho, Byung-Mann;Yoon, Tae-Ho;Kim, Chang-Hun;Kim, Yu-Mi;Hwang, In-Kyung
    • Journal of Preventive Medicine and Public Health
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    • v.45 no.2
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    • pp.70-77
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    • 2012
  • Objectives: Identify the characteristics related to the suicide rates in rural and urban areas of Korea and discover the factors that influence the suicide rate of the rural and urban areas. Methods: Using the data on causes of death from 2006 to 2008, the suicide rates were calculated and compared after age-standardization based on gender, age group and urbanicity. And, in order to understand the factors that influence suicide rate, total 10 local characteristics in four domains - public service, social integration, residential environment, and economic status - were selected for multiple regression analysis. Results: The suicide rates were higher in men than women, in rural areas than urban, and in older people than the younger. Generally, although there were variations according to age group and urbanicity, suicide rates were significantly related to residential environment and regional economic status but not related to regional welfare spending and social integration. In addition, the population over the age of 65 years, only regional economic status has significantly influence on their suicide rates. Conclusions: The influence of characteristics of regions on suicide rate is various by age-group, gender, and urbanicity. Therefore, in order to lower suicide rate and reduce the gap between regions, various approaches must be adopted by taking into account the socioeconomic characteristics of the regions.

Analysis of Morphological Characteristics and Variation in Five Populations of Zabelia tyaihyonii in South Korea

  • Nam, Jae Ik;Kim, Mun Seop;Song, Jeong Ho;Seo, Jeong Min;Choi, Go Eun;Kim, Young Ki
    • Journal of People, Plants, and Environment
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    • v.24 no.6
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    • pp.619-628
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    • 2021
  • Background and objective: Native to the limestone zones of the Korean Peninsula, Zabelia tyaihyonii is a popular plant for landscaping. As it is now classified as a rare species, the conservation of its genetic resources is necessary. Methods: In this study, which aimed to understand the morphological variation of Z. tyaihyonii, 18 characteristics of Z. tyaihyonii from five habitats were examined. Results: Of these 18 characteristics, 16 characteristics showed significant differences among sites, and the coefficient of variation ranged from 5.4% (for corolla lobe number) to 31.3% (for flower number). Notable variations were observed in the size of flower and calyx lobe. When the corolla length and calyx lobe length were used as the classification key of Z. tyaihyonii, the sites were divided into those with small, intermediate, and large values. Hair was observed on the filament of all samples, a finding which conflicts with an earlier report. Rather than classifying Z. tyaihyonii into different species on the basis of corolla length (COL) and calyx lobe length (CALL) values, we recommend modifying the species description to incorporate the variation in these characteristics of interest. Principal component analysis results showed that the first main component was highly correlated with the traits related to the size of the calyx lobe (length: 0.819, width: 0.758), and the second main component was highly correlated with the traits related with the size of the inflorescence (length: 0.790, width: 0.626). Conclusion: Several notable variations were identified among the characteristics related to inflorescence and calyx lobe. There is little genetic exchange among groups, or each group is influenced by micro environmental factors, because sites that are located nearby. In addition, the difference between COL and CALL, which is used as the classification key for Z. tyaihyonii, was divided into small group, large group, and intermediate group, regardless of the sites' geographical distance.

A Study on Factors Impacting Work-related Health Problems in Different Work-hour Groups (근로시간대별 근로자의 업무관련 건강문제에 영향을 미치는 요인)

  • Beak, Eun-Mi;Jung, Hye-Sun
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.29 no.3
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    • pp.383-393
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    • 2019
  • Objectives: The proportion of those working beyond 53 hours a week in 2018 has reached 16.8% of the total number of workers in the Republic of Korea (Statistics Korea, 2018). Although there are many studies that have dealt with the correlation of long working hours and increasing risk of work-related health problems, studies dealing with the factors impacting work-related health problems of workers according to their working hours are few. This study aims to ascertain factors impacting work-related health problems of workers based on their working hours through thorough research on their work environment. Methods: Necessary factors for this study were extracted from 'the 4th Korean Working Conditions Survey to analyze details on normal characteristics and work environments used for the study analysis, work hours, and health problems related to work. Results: The results are as follows: First, men showed a greater probability of exposure to work-related health problems than did women, especially in the 50s age group, which showed the highest potential for health problems from work among age groups. Second, service providers and sales professionals showed a higher probability of work-related health problems. Third, for the work environment, health problems at work related to vibration, noise, chemical and poison exposure, exhaustion, pain, standing position, and repeated motion showed a higher probability if the work hours are long. Conclusions: This study suggests that the minimization of overtime labor would prevent work-related health problems and diseases, improve the well-being of workers, and decrease the negative impact on workers in the subject area.