The purpose of the study is to investigate a usability of using fashion and beauty service and suggest better user experience on Instagram's newly released mobile video platform, IGTV. The study expects to be a resource of improving the usability on fashion and beauty contents on IGTV and encourage further research for suggesting better guidelines. As a research method, it will experiment current mobile video service first with literature review. Afterwards, the research conducted tasks and in-depth interview with eight Instagram users to evaluate a usability of using fashion and beauty service on IGTV. As a result, it is able to derive two plans that needed improvement. Firstly, IGTV is required to have high accessibility for user's to use service longer and intuitive user experience. Secondly, unlike previous service that Instagram have offered, IGTV need to differentiate to share and get information of fashion and beauty trends.
The purpose of this study is to figure out problems and to suggest improvement scheme by examining 31 of the disabled who used power wheelchair developed for safe moving and standing support. The results are as follows. First, standing power wheelchair that enables the disabled to sit and stand up was developed. It can also be used as means of transportation for moving in narrow space and in a short distance. In the usability test of this prototype, two groups were respectively examined in 60 evaluation items. One group consisted of 16 people with disabilities using manual wheelchairs. And the other one consisted of 15 people with disabilities using automatic wheelchairs. The entire average figure of two groups was shown to be 2.72 and standard deviation was 0.820. Specifically, the average figure of the group in manual wheelchair was 2.85 and the one of the other group in automatic wheelchair was 2.57. And both group replied that the move to stand up and sit on both types of wheelchair was the most inconvenient thing. It shows why ergonomic design for persons with under extremity disabilities to stand up and sit is needed. Second, with further study based on the results of usability test of the disabled, it will make contribution to increase the quality of people with disabilities by helping them move and do daily lives on their own.
The development and generalization of the Internet increased the popularity of food delivery service applications in Korea. The food delivery market based on online-to-offline service is growing rapidly. This study compares the usability of Korean food delivery service application between that of Chinese food delivery service application. This study suggests improvement points for Korean food delivery service applications. To conduct this study, we explore the status of various food delivery service applications and conduct interviews and surveys based on the honeycomb model developed by Peter Morville. This study obtained the following results. First, all restaurants participating in the Korean food delivery service must be able to accept order through the application. Second, the shopping cart function must be able to accept order of all restaurants simultaneously. Third, when users look for menu recommendation, their purchase history and shopping cart functions should appear at the first page of the website. Users should be able to perceive the improved usability of the website using those functions. Fourth, when the search window is fixed on the top of each page, users should be able to find the information they need. Fifth, the application must allow users to find the exact location of the delivery person and the estimated delivery time. Finally, the restaurants'address should be disclosed and fast delivery time should be confirmed to enhance users'trust on the application. This study contributes to academia and industry by suggesting useful insight into food delivery service applications and improving the point of food delivery service application in Korea.
Objectives : This study was to analyse the reasons for the early termination of our clinical trials that were to know the influences of Tai-chi on non-motor symptoms of Parkinson's disease. Methods : We stopped the primary study of Tai-chi to observe the changes of non-motor symptoms of Parkinson's disease. So we carried out the survey to our participants of clinical trials. We conducted the survey about the patient's characteristics of usual exercise, experience of Tai-chi, appropriate time allocation, difficulties of proceeding the program and patient's opinion for the improvement of education. And the 4 questions about the contributiveness of Tai-chi for the Parkinson's disease, usability of supplied references, difficulties and time allocation of education were using the questionaries form of 5-point scale(Likert scale). Results : The results of survey showed that the benefits of Tai-chi program for the improvement of symptoms was $3.15{\pm}0.89$ and difficulty of lecture was $3.76{\pm}1.09$. 41% of participants answered that the motions of the Tai-chi is difficult to follow and 17% of participants felt the imbalance during the motion of Tai-chi. Conclusions : Participants replied that the Tai-chi is hard for the patients of Parkinson's disease and the time for the education was too short to keep doing exercise. Thus we have plan to educate the patients of Parkinson's disease with Tai-chi program consists of easier motion by developing ourselves or searching previous studies.
The purpose of this study that was based on the theory review about the practical use necessity of school landscape was to survey on the awareness of elementary school teachers about the applications of school landscape for environmental education. This study was carried out through the review of literature, the questionnaire to 132 elementary school teachers in Seongnam City. The findings derived from this study were as follows : First, School landscape is an important field as environmental education resource for the improvement of school environmental education. Especially, for the improvement of environmental sensitivity through field-experience learning, the practical applications of elementary school landscape is very important and urgent in aspects of environmental education theory, accessibility, and convenience. Second, Most of responded teachers give an affirmative answer about the field-experience learning for school environmental education and the necessity of practical use of school landscape for field-experience learning. Several the improvement to use elementary school landscape for environmental education being suggested by teachers are the increase of financial support, the magnification of school area, and the school landscape planning and design in consideration of environmental education by landscape architect expert. Third, Above half of teachers don't agree to use the roof garden for environmental education because of the safety of students and the school building construction. Fourth, Teachers are more satisfied with the status of school landscape maintenance than the practical usability of school landscape in aspect of environmental education and the facilities in school landscape. Teachers think that the most important functions and roles of school landscape is psychological factor.
Journal of rehabilitation welfare engineering & assistive technology
/
v.10
no.2
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pp.171-176
/
2016
By developing rider robot using omni wheel drive, a usability test for 6 people was conducted after finding out inconvenient factors and ways of improvement. The results of this research are as follows. First, we researched inconvenient factors captured by object of experiment using a rider robot who is living in the dormitory. It showed that the disabled showing 1.6 of satisfaction degree felt more inconvenient for normal people showing 4 of satisfaction degree. It was found that the height of seats is 10 centimeters higher, which caused inconvenience for moving. Second, each of the disabled and normal people showed 2.33 and 2.62 of satisfaction degree below the average for seats, back of a seat, armrest, footrest, security belts. However, for the revised design both of them showed 3.5 of satisfaction degree over the average. Third, most people felt this robot is quite expensive and said they would purchase it if subsidized by the government. Therefore, based on inconvenient factors and ways of improvement found in this research, further study needs to be conducted so as to improve the quality of life of the disabled.
In the study, we introduce the trend in domestic and foreign web accessibility, as well as the legal system that ensures web accessibility. Based on Korean Web Content Accessibility Guidelines (KWCAG)1.0, we investigated the web content accessibility of 80 tertiary health-care hospitals and general hospitals in Korea. We evaluated accessibility by combining accessibility-based criteria (ABC) with usability-based criteria (UBC). ABC was limited to an alternative text for Guideline 1, using a small number of frames and keyboard accessibility for Guideline 2. UBC checked the voice service (TTS), resizing text, providing multi-lingual websites, and disclosing web accessibility policy. KADO-WAH2.0 was used for representing the compliance rate. The evaluation result was a considerable improvement from previous results, even though the rate of compliance with web accessibility was generally insufficient. There was a significant difference between those medical centers which did and did not comply with web accessibility. Incidentally, many hospitals were found to have attempted to confront and come to terms with web accessibility. In future, the following factors are advisable for medical centers with publicity or public interest: they must employ active and aggressive promotion of establishment of independent accessibility guidelines to secure web accessibility, they should effect an improvement of the realization of web accessibility, there can be constant education and promotion, and there can be an institutional supplementation, as well as others.
Oh, Jong Min;Song, Yong Hyun;Hong, Song Pyo;Shin, Young Min;Ko, Young Chin
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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v.38
no.4
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pp.375-382
/
2020
As the 4th Industrial Revolution era in worldwide, interest in autonomous vehicles is increasing. but due to recent safety issues such as pedestrian accidents and car accidents, as a technical model for this, the demand for 3D HD maps (High Definition maps) is increasing in including lanes, road markings, road information, traffic lights and traffic signs etc. However, since some complementary points have been continuously raised according to demand, It is necessary to collect the opinions of institutions and companies utilizing HD maps and to improve HD maps. This study was conducted by utilizing the results of the contest for usability verification of HD Maps hosted by the National Geographic Information Institute and organized by the Spatial Information Industry Promotion Institute. For this study, we researched HD maps' layers and codes for HD maps object usability to improve HD maps, constructed HD maps object usability items accordingly, and contested usability verification of HD maps according to the items The contestants conducted verification and analyzed the results. As a result, the most frequently used code for each layer was the flat intersection, and the code showing the highest usage rate was a safety sign. In addition, the use rate of the sub-section and height obstacles was 16.67% and 8.88%, respectively, showing a low ratio. In order to utilize HD maps in the future, this study is expected to require research to continuously collect opinions from customers and improve data objects and data models that are actually needed by customers.
The purpose of this study is to contribute to the activation of sports for the disabled people in Korea through the localization of the road racing handcycles. Recently, there are no handcycles produced in Korea, and all the players are using products made in foreign countries. In the case of foreign products, it is made to fit the body shape of foreign athletes. Therefore, when domestic players are using them, they put additional parts to foreign products in order to fit their body shape. This not only adds to the cost burden, but also causes a decrease in the performance of the athletes. In order to overcome these problems, we developed the road racing handcycle in consideration of the body shape of the Koreans and conducted a comparative usability evaluation with the foreign products to evaluate the performance of the developed prototype. Therefore, we analyzed the quantitative and qualitative evaluation results of the prototype produced in the previous study, and developed the Korean road racing handcycle that can improve the competitiveness while considering the shape of domestic players. Based on the problems derived from the first prototype, this study additionally constructed a crank, an air intake part and a discharge part, and a rear anti-shake prevention device. In order to evaluate the usability, we conducted a comparative usability assessment with the foreign products used by the current standing handcycle athletes. The results were measured in the area of effectiveness, efficiency, and satisfaction, and the prototype developed through the research on efficiency and satisfaction excluding effectiveness was evaluated to be higher than those of foreign products. This study will contribute to the improvement of international competitiveness due to import substitution effects of foreign products and exports by lowering the handcycle cost of importing foreign handcycle.
The aim of this study is to improve Potential Flood Damage(PFD) that a flood risk assessment technique used in the National Water Resource Plan comprehensive plan for water resources, which is a top-level plan related to domestic water resources and Flood Risk Indices. Both methods are used to evaluate flood control risks. However, there is a problem of reliability because the problem of data utilization and the damage that occurred in a specific area are applied as an average concept. Therefore, this study improved the method for analysis by components and the flood inundation area was limited to flood damage area. Also, the improvement of the method and the application of the recently provided GIS data to the flood damage prediction area were proposed to improve the usability of the existing method. The existing analysis method and the improved method were applied to the test watershed by each case.
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