• Journal of the Korean Dietetic Association
• /
• v.24 no.3
• /
• pp.199-211
• /
• 2018

This study was a correlation study to analyze the effects of smartphone usage time on food choice perceptions and behavior in middle school students in Seoul areas. The subjects to be surveyed were middle school students attending junior high schools in Mapo-gu, Seoul. A total of 133, 102, and 102 students were in the first second, and third grades, respectively. The usage time of smartphones was the weekday and weekend usage time except for the call function. Food choice perception and its behavior as dietary habits were constructed referring to previous research and food balance wheels data for the correct dietary habits of the Ministry of Health & Welfare and Korean Nutrition Society. The food choice behavior was categorized into non-recommended food and recommended food. The results are summarized as follows. First, the longer the time spent on smartphones, the less favorable the perception of correct food choices. Second, the higher the dependence on smartphones, the less favorable the perception of correct food choices. Third, the correct perception of food choices has been shown to reduce food choices, known as non-recommended foods. In addition, proper perception of food choices has been shown to increase the choice of recommended foods. In conclusion, the usage time and reliance of smartphones of middle school students was found to affect the food choice behavior by lowering the perception of correct food choices. This research is expected to form the basis for the development of programs and educational materials that can be of assistance to adolescents who are experiencing difficulties.

• Journal of Practical Engineering Education
• /
• v.8 no.1
• /
• pp.1-7
• /
• 2016

In this paper, the proceedings and core procedures that involved the role of advisor to the theme, the set up rule of students, and complete the work steps involved in configuring graduate work that the overall design curriculum and graduation standards are summarized. The one or two students are designated as one team, and by the designated professor was conducted a discussion and technical guidance. Among various topics from 2011 to 2015, some specific results configured using a small drone and smartphones are presented. The survey are compared the activity results for the participating students in one major each in 2011 and 2015 and analyzed. Based on this review for improvement next year notes, it forms a continuous improvement, and has converged talents with passion and challenging spirit, sharing a plan to form a virtuous cycle that is associated with positive employment and entrepreneurship.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• 2017.10a
• /
• pp.356-359
• /
• 2017

According to the plan of operation of the Ministry of Education, IWB (Interactive White Board) was distributed to one or two classrooms per school. Therefore, instead of the overhead projector (OHP) and the screen, the visual presenter and the IWB replaced the role. However, the development speed of the imaging device and the display device could not keep up, and the utilization was often lowered. In this study, we study to obtain a high resolution image using the camera of smartphone. It uses WiGig(Wireless Gigabit) technology to transmit the acquired high-resolution images to IWB or large-screen TV without delay in wireless communication. In addition, while the smartphone camera is equipped with a lens of a wide field of view(FOV), the microscope lens can be used to magnify and magnify a specific portion of a smartphone 400 times. As s result of this study it will be used as active material for real-time 400 times magnification in education and research field.

• Journal of Radiation Protection and Research
• /
• v.47 no.2
• /
• pp.67-76
• /
• 2022

Background: We conducted a cross-sectional study of residents within and outside Fukushima Prefecture to clarify their perceptions of the need for smartphone applications (apps) for explaining exposure doses. The results will lead to more effective methods for identifying target groups for future app development by researchers and municipalities, which will promote residents' understanding of radiological situations. Materials and Methods: In November 2019, 400 people in Fukushima Prefecture and 400 people outside were surveyed via a web-based questionnaire. In addition to basic characteristics, survey items included concerns about radiation levels and intention to use a smartphone app to keep track of exposure. The analysis was conducted by stratifying responses in each region and then cross-tabulating responses to concerns about radiation levels and intention to use an app by demographic variables. The intention to use an app was analyzed by binomial logistic regression analysis. Text-mining analyses were conducted in KH Coder software. Results and Discussion: Outside Fukushima Prefecture, concerns about the medical exposure of women to radiation exceeded 30%. Within the prefecture, the medical exposure of women, purchasing food products, and consumption of own-grown food were the main concerns. Within the prefecture, having children under the age of 18, the experience of measurement, and having experience of evacuation were significantly related to the intention to use an app. Conclusion: Regional and individual differences were evident. Since respondents differ, it is necessary to develop and promote app use in accordance with their needs and with phases of reconstruction. We expect that a suitable app will not only collect data but also connect local service providers and residents, while protecting personal information.

• Proceedings of the Korea Contents Association Conference
• /
• 2011.05a
• /
• pp.359-360
• /
• 2011

최근 스마트 기기를 사용하는 사용자가 폭발적으로 증가하고 있으며, 교육현장에서도 스마트 기기를 활용한 다양한 교육 콘텐츠 제작 및 교육 지원 서비스의 필요성이 대두되고 있다. 이에 본 논문에서는 스마트폰을 활용한 교육 평가 시스템에 대하여 논하고자 한다. 이를 위해 관련 문헌 연구를 실시하였으며, 스마트폰 기반의 교육 평가 시스템을 설계하였다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• 2018.05a
• /
• pp.709-711
• /
• 2018

Although the supply of smartphones by the silver generation has increased in recent years, low learning, experience levels and understanding make it difficult to use them. In thid paper, we proposes remote control UI applications to support the use of smartphones by the silver generation. For the proposed application, the key features of the feature phone are arranged in a $3{\times}2$ arrangement on the Home screen to enable quick recognition and proposed application provides remote control via Node.js server and socket communication, in case of difficulties in the use of incidental function, increases the understanding and availability levels of the silver generation using smart phones by providing support through remote control.

• Proceedings of The KACE
• /
• 2018.01a
• /
• pp.121-123
• /
• 2018

노인복지회관에서 어르신들을 대상으로 스마트폰 사용법 도움 봉사활동을 하면서, 어르신들의 스마트폰 사용과 관련된 관심 주제 및 어려움을 겪는 부분에 대해 사전에 진행된 조사 결과[1]를 바탕으로 그 오프라인에서 반복적으로 교육되던 내용과 노인 대상의 UI설계 사항들을 고려하여 직접 사용할 수 있는 활용교육용 앱을 설계하고 프로토타입을 개발하였다. 이 앱은 기존의 오프라인 봉사활동와 연계하여 사용한다면 시간과 비용, 그리고 내용면에서 더 효율적이 될 것으로 기대된다.

• Proceedings of the Korean Society of Computer Information Conference
• /
• 2013.07a
• /
• pp.195-198
• /
• 2013

초등정보영재학생들에게 있어 스마트폰 앱의 개발은 기본적으로 자바와 같은 프로그래밍 언어 뿐만 아니라 기타 복잡한 프로그래밍 환경 등 어느 정도의 프로그래밍에 대한 지식을 요구한다. 본 연구에서는 전혀 프로그래밍에 대한 기초적인 지식이 없거나 앱에 대한 개발 경험이 없어도 쉽게 앱을 개발할 수 있은 MIT대학의 앱인벤터(AppInventor)를 활용하여 초등정보영재학생들의 창의성을 향상시킬 수 있는 앱 개발 교육프로그램을 개발하고자 하였다. 개발한 교육프로그램은 초등 정보영재 학생들의 창의성 및 문제해결력, 계산적 사고력을 동시에 길러 줄 수 있을 것이다.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.21 no.2
• /
• pp.259-267
• /
• 2020

This study investigates the educational needs of parents of elementary school children, who use smartphones for emergencies. This is a descriptive cross-sectional study, and data of 200 parents of students under the 6th grade was collected from October 17 to 27, 2017. The study results indicate that 67.5% parents visited the emergency department due to a child's emergency accident. Of these, 74% respondents replied that they were unaware of how to deal with the emergency at that instance. Most parents had never received education, and were using smart-phones to acquire information on first aid. Ed. Notes: Do you mean education in general (i.e. Most parents were uneducated) or do you mean 'education for emergencies'? Please revise for more clarity. Parents' demand for education on child emergency response scored high, with an average of 3.40 (±0.42) out of 4 points. Among the educational categories, "the management of foreign body airway obstruction and cardiopulmonary resuscitation (CPR)" scored the highest average for educational needs (3.64±0.52). This research provides baseline information for understanding the educational needs of parents for first aid for the child. Our findings indicate that the smartphone is potentially an effective educational tool for parents.

• Journal of the Korea Institute of Information and Communication Engineering
• /
• v.18 no.5
• /
• pp.1194-1200
• /
• 2014

One of problems in car navigation systems is that a number of inputs are required for a directions search. This may even causes a car accident due to poor concentration while driving. In order to solve the issue we design and implement a safe and easy-to-use car navigation system which allows a driver to look up directions with just a single tap. Our smartphone app creates an NFC tag by deriving location information from a text, voice, GPS, and so on. The driver can then get the directions by just tapping a phone or card with the Tag on the navigation system. We show the feasibility and effectiveness of our system by comparing our implementation with the existing car navigation systems.