Unlike conventional online shopping malls that handle simple product sales, customization services have to be provided with a user-centered and smooth customizable work environment because of differences that buyers have to customize themselves. To study the ease of use of T-shirt customization web GUI, three websites that provide T-shirt customization services were selected to analyze the current status of T-shirt customization websites. Through prior research, we establish the evaluation principle as consistency and clarity, operability, feedback, coping with errors, sharing and ease of search. Based on this, the T-shirt customization web GUI design guidelines were drafted and three delphi surveys were conducted on GUI-related experts to prove the validity of the web GUI guidelines evaluation items that are effective in customizing T-shirts. This study is expected to contribute to increasing the production and usability of the T-shirt customization web and to be used as an effective reference for customization web GUI design.
The Journal of Korean Academy of Sensory Integration
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v.18
no.3
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pp.1-13
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2020
Objective : The purpose of this study was to evaluate the differences in sensory processing and visual perception between school-age children with Attention Deficit Hyperactivity Disorder (ADHD) and typical children. Methods : The participants in this research were children in the first and second grade in elementary school in Kyoung-Nam Region; 25 children diagnosed with ADHD comprised the experimental group, and 51 typical children comprised the control group. To evaluate the sensory processing of the children, the Sensory Profile (SP) was used, and the Korean Developmental Test of Visual Perception-2 (K-DTVP-2) was used to assess visual perception skills. The data were analyzed using SPSS 20.0, and the Independent t-test was used to compare the sensory processing and visual perception skills of the two groups. Results : The study found differences in the Sensory Profile summary scores and factor summary scores between the two groups (p<.05). We also found differences in the visual perception index and subtest standard scores between the two groups (p<.05). Conclusion : The results of this study show that the experimental and the control groups had significant differences in sensory processing and visual perception skills. The result will contribute to the assessment and education of children with ADHD.
Journal of the Korean Institute of Traditional Landscape Architecture
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v.29
no.3
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pp.97-105
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2011
In the modern urban landscape design, historical and cultural factors are drawing more and more attention in addition to the factor of beauty. To evaluate an urban landscape design, it's quite important to explore the history and culture background of the city. Color of a city reflects the city characteristics and shows the city image. Color planning has become an important part of city landscape design nowadays. A harmonious landscape cannot be without a unified color planning. The color planning should take not only the integrity but also the regionality into consideration. Color planning has a profound impact on public life. This paper studies on streetscape color of two famous places which are Seoul Insa-dong and Shanghai Xintiandi. According to the empirical and comparative study, this paper will give on-site assessment and comprehensive evaluation. Furthermore, this paper will indicate the differences and similarities of the traditional Streetscape of South Korea and China, using the color theories of Korea Image Resource Institute. This survey results will be helpful to the urban landscape color planning.
We investigated the effects of breed, laying age, and egg storage period on the vitality of chicks using the Hwanggalsaek Jaeraejong, Korean Rhode Island Red, and Korean White Leghorn chicken breeds. Their eggs were collected during the early laying period (27~29 weeks) and late laying period (50~52 weeks) and were stored for 3 days, 7 days and 14 days. After the eggs hatched, the hatching time, production performance, and organ weight of chicks were investigated. IL-6 gene expression level and relative length of telomeres were analyzed to determine the physiological activity of the chicks. HSP gene expression level and heterophil to lymphocytes ratio were also analyzed to examine the degree of stress response in the chicks. The results showed that breed and laying age influenced the vitality of chicks, but the egg storage period did not. Korean Leghorn chicks were considered the weakest breed in terms of vitality owing to their low survival rate, small heart size, low physiological activity, and high stress response level. Although the survival rate of chicks produced in the early laying period was low, their high physiological activity and low stress response indicated that they had a high vitality than the chicks produced in the late laying period. In conclusion, to obtain chicks with high vitality, it would be desirable to select a high vitality breed and avoid the use of chicks produced in the late laying period.
Schools are highly feared to spread widely in the event of an infectious disease, and systematic management and prompt response are needed as it can undermine students' health and learning rights. This study was conducted to identify the current status of infectious diseases common to elementary, middle and high school students and to provide basic data to protect students and faculty from the threat of infectious diseases and maintain normal school functions. Sejong City was selected for investigation. The three major infectious diseases are influenza, chickenpox and aquarium, all of which are classified as acute viral infectious diseases and have fast propagation speed and strong propagation power, which can have fatal consequences for students living in groups. The research data were analyzed using the 2019 infectious disease report data from the Education Ministry's Education Administration Information Network (NEIS), and the current status data reported by elementary, middle and high schools nationwide were analyzed. The research method was to compare the current status of infectious diseases across the country and Sejong City, compare the status of issuance by each school level, compare the status of infectious diseases by item, and analyze the status of infectious diseases by time. The results of the survey on the status of the three major infectious diseases are expected to be used as basic data for managing infectious diseases not only in Sejong City but also in the nation, so that they can be used to establish measures to manage student infectious diseases in the future.
The Journal of Korean society of community based occupational therapy
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v.10
no.3
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pp.53-61
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2020
Objective : The purpose of this study was to find out the stress of vascular conditions and leisure activities for the elderly and the effect of stress problems on the vascular conditions of the elderly. Methods : The study surveyed 172 elderly people, conducted a validity and reliability analysis to organize items of leisure activities, analyzed vascular conditions and stress for leisure activities, and conducted a regression analysis to analyze stress factors affecting the blood vessel conditions of the elderly. Results : First, there was a significant difference in comparing the average value of vascular conditions for leisure activities in the elderly (p=.012) and sports activity was the most stable in vascular conditions. Second, there was a significant difference in comparing the average value of stress for leisure activities of the elderly (p=.035) and rest and other activities were higher than other activities. Third, the effect of stress problems in older people on vascular conditions has been shown to be influenced by financial difficulties and health problems. Conclusion : Leisure activities in older people can act as a factor in changing the quality of life. Older adults can expect improvement of vascular conditions and reduction of stress through leisure activities, especially sports activities have a high relationship of vascular conditions, and rest and other activities have a high relationship with stress. As a result, this study confirmed the importance of selecting and continuing participation in leisure activities for the elderly.
To verify the field-effectiveness of Terrestrial Laser Scanner (TLS), a terrestrial LiDAR was deployed to examine the damage properties of woods in forest fire area, then the data was compared with the results surveyed by a forestry expert. Four sample plots (30 m × 50 m, 0.15 ha) were set from the foot to the top of the mountain, and DBH, height, clear length, burned height, and crown length were investigated. Next, TLS collected information on damage characteristics found in the sample plots. This information was then compared with that amassed by the expert. The expert and the TLS survey results showed 30.8 cm and 29.9 cm for DBH, 15.8 m and 17.5 m for tree height, 8.4 m and 8.4 m for clear length, 4.0 m, 3.5 m for burned height, and 7.4 cm and 9.1 cm for crown length. With the exceptions of height and clear length, no notable discrepancy was observed between two methods. H/D ratio, CL/H ratio, and BH/CL ratio, all of which contribute to stability and decay rate of the stand, from the two methods were also compared. The human survey rated each ratio (H/D, CL/H, BH/CL in order) 51.3%, 47.1%, and 53.6%, while the TLS presented the results of 58.8%, 52.0%, and 38.7%.
This study used three types of temporary shelters, tents, and prefabricated houses provided by the Chinese government for victims after the Wenchuan earthquake in 2008 as case study objects. Through literature review, 12 evaluation items were selected from the social, economic, and environmental elements of the sustainability of residential space design to analyze and evaluate three types of temporary shelters, and derive their respective characteristics and problems. The analysis results show that the temporary centralized settlements and tents had problems such as imperfect infrastructure, poor sanitation, narrow living space, no personal space, and inconvenience in life. Prefabricated houses had problems such as high construction costs, non-environmentally friendly building materials, occupation of arable land, low recycling rate of materials, and environmental pollution by waste. The common problem of the three types of shelters was that the government took the lead in the construction and distribution of shelters, and the disaster victims passively accept government support. Therefore, disaster victims were not actively involved in the construction and management of temporary communities. Secondly, the designs of all three types of temporary shelters did not fully consider the psychological needs of the victims, especially the need for safe and hygienic personal space. Finally, this research proposes improvement plans for the problems in the sustainable design of three temporary shelters and the construction and management of temporary communities.
In this study, evaluation and consideration of domestic/overseas design, construction, and quality control performed by the authors on the deep cement mixing method were performed, and improvements for the development of the DCM method were suggested in the future. As a result of this study, it was found that the cross-sectional area correction for strength is required during the laboratory test of mix proportion, and caution is required because the extrapolation method may lead to different results from the actual one. Applicable design methods should be selected in consideration of both the improvement ratio and the type of improvement during design, and it was confirmed that the allowable compressive strength to which the safety factor was applied refers to the standard value for stability review and not the design parameters. In the case of the stress concentration ratio, rather than applying a conventional value, it was possible to perform economical design by calculating the experimental and theoretical stress concentration ratio reflecting the design conditions. In the case where pre-boring is expected during construction, if the increased water content is not large compared to the original, there were cases where a major problem did not occur even if the result that did not consider the increase in water content was used. In addition, it was confirmed that when the ratio of the top treatment length to the improved length is high, a small amount of design cement contents per unit length can be injected during construction. In the case of quality control, it was evaluated that D/4~2D/4 for single-axis and D/4 point for multi-axis were optimal for coring of grouting mixtures. As an item for quality control, it is judged that the standard that considers the TCR along with the unconfined compressive strength of grouting mixtures is more suitable for the domestic situation.
Journal of the Korean Institute of Landscape Architecture
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v.50
no.2
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pp.89-101
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2022
The study was conducted in Erhe Park, a neighborhood park in Dali City, China, to derive the influence of environmental factors in the park on the elderly's satisfaction and to analyze the satisfaction in order to provide improvement recommendations. First, the evaluation indicators were selected, by referencing previous research into the elderly's evaluation of external spatial environments and the influence of various factors was determined from the questionnaire and factor analysis. Second, a fuzzy comprehensive evaluation was conducted to understand the satisfaction of the elderly, and then an Importance-Performance Analysis(IPA) analysis was conducted to develop improvement recommendations. Results of the factor analysis showed that park's environmental factors were grouped into four categories: facility suitability and comfort, safety and convenience of use, natural environment comfort, and parkway convenience. Based on this, the overall satisfaction rating for the environmental factors in Erhe Park was between satisfactory and average. The natural environment comfort was rated satisfactory, the facility suitability and comfort, and convenience and safety were rated average, and parkway convenience was rated near to satisfaction. The IPA analysis revealed that the suitability of rest facilities, suitability of convenience facilities, facility management status, safety of entrances and exits, and nighttime lighting facilities were items of high importance but low satisfaction that needed to be improved. The results of this study can be utilized as a guide for future building or readjustment of senior-friendly parks, and they are critical for increasing senior-friendly park satisfaction.
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