• International Journal of Internet, Broadcasting and Communication
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• 제15권4호
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• pp.191-198
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• 2023

In recent years, we have witnessed a growing popularity of virtual reality (VR) technology. Understanding the factors that contribute to a comfortable VR viewing experience is crucial for its successful implementation. This study specifically explored the role of gender in determining the ideal viewing distance for VR animation. To do so, we enlisted 100 participants, comprising 41 males and 59 females, and had them engage in a VR animation viewing task, during which we recorded their preferred viewing distances. Our findings revealed that there was no significant distinction between males and females regarding their favored VR animation viewing distances. These results suggest that when creating VR content, gender may not be a noteworthy factor to take into account when determining the optimal viewing distances for a comfortable experience.

• 한국학교보건학회지
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• 제26권2호
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• pp.104-113
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• 2013

Purpose: The aim of this study was to investigate prevalence and ecological characteristics of excessive television viewing among elementary school students in Seoul. Methods: Secondary data, representative sample of 11,082 subjects in Seoul was used. After prevalence of the excessive television viewing was identified by using factor analysis, 6 main factors explaining the ecological indicators was founded. After identifying prevalence of the excessive television viewing, by using factor analysis, we found 6 main factors explaining the ecological indicators. After categorizing factors into socio-psychological and lifestyle characteristics, we were investigated the odds ratio of excessive television viewing per characteristics by using multiple logistic regression. Results: The prevalence of excessive television viewing was 29.7% among the elementary school student in Seoul. The prevalence were higher in male, higher grade, and non-South of the Han River. Socio-psychological indicators which expressed excessive television viewing were annoying or bullying, scolding from teacher, depressed mode, thought for a runaway from home, an experience of diet, and negative body image. Life style indicators were a lower intake of fruit and vegetables, a higher intake of Ramyun and soft drink, a worse life style of hand washing, and wearing safety equipment. Conclusion: Lifestyle of television viewing was the comprehensive results from family, school, and society rather than a personal preference. Therefore, it is necessary to educate the hazard of excessive television viewing, to reenforce the students' health competence, to activate a safe leisure program as an alternate of television viewing, and to develop a recommendation.

• 아동학회지
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• 제26권6호
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• pp.321-334
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• 2005

This research investigated television and video viewing of young children in early childhood all-day program settings and teachers' recognition of its effects on young children through the survey of 452 early childhood teachers. The results show that television and video viewing is used as a whole group activity during transition period and/or waiting time activity for children who come earlier in the morning and remain late until closing time. It means television and video viewing at early childhood settings is mainly used as a group baby sitter or pacifier. Daily viewing time is about 44.02 minutes and early childhood teachers show low recognition of their role in children's viewing habits. Young children's viewing patterns and time are differed by teachers' variables so that young children of beginning teachers at small size settings appear more viewing time. Teachers show more negative recognition of television and video viewing on young children when they are older and have higher educational level and longer education experiences. The results also show that the more teachers have positive recognition on television and video viewing, the more young children are exposed to television and video viewing in their classes.

• 한국전기전자재료학회:학술대회논문집
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• 한국전기전자재료학회 2006년도 추계학술대회 논문집 Vol.19
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• pp.53-54
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• 2006

We have studied the viewing angle control of a twist nematic liquid crystal display (TN-LCD). The TN-LCD exhibits a bad image quality along vertical direction, due to characteristics such as low contrast ratio and grey scale inversion. The proposed new TN-LCD has the function of switching between the wide viewing mode and narrow viewing angle mode using two tilted LC layers at both sides of a TN-cell Tilt angles of the two LC layers, $14^{\circ}$ and $60^{\circ}$ were required in both wide viewing angle and narrow viewing angle modes, respectively.

• Journal of Information Display
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• 제10권1호
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• pp.19-23
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• 2009

In this paper, we review the proposed liquid crystal display (LCD) with a tunable viewing angle consisting of a conventional liquid crystal display (LCD) panel and a thermally variable retardation layer (TVRL) characterized by uniformly aligned LC film with transparent indium-tin-oxide electrodes for Joule heating. In the TVRL, nematic phase is transitioned into isotropic by Joule heating. The numerical calculation showed that the intrinsic wide viewing angle was achieved at the isotropic phase of the TVRL by Joule heating, whereas the narrow viewing angle was obtained at the nematic phase of the TVRL. The simulated and experimental results of the proposed LCD show continuous and symmetrical viewing angle characteristics by tuning the retardation of TVRL using Joule heating. The structure of the viewing angle control proposed here is adoptable to all LCD modes with wide viewing angle characteristics.

• 아동학회지
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• 제21권2호
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• pp.135-146
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• 2000

This study compared the effectiveness of various prevention methods(1-time video viewing; repeated video viewing; participation-enriched video viewing) used in delivering awareness of sexual abuse and coping skills to preschool children. All of the experimental groups performed better than the control group. The participation-enriched viewing group displayed higher levels of coping skills than the control and the 1-time viewing groups. Repeated viewing and participation-enriched viewing approaches were most effective in long-term understanding. The repeated viewing group showed superiority in long-term coping skills. Direct participation, interaction, and reinforcement by means of repetition are important for optimal results in sexual abuse prevention education.

• 한국전기전자재료학회:학술대회논문집
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• 한국전기전자재료학회 2006년도 하계학술대회 논문집 Vol.7
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• pp.479-480
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• 2006

We have studied the viewing angle control of a twist nematic liquid crystal display (TN-LCD). The TN-LCD exhibits a bad image quality along vertical direction, due to characteristics such as low contrast ratio and gray scale inversion. The proposed new TN-LCD has the function of switching between the wide viewing mode and narrow viewing angle mode using two tilted LC layers at both sides of a TN-cell. Tilt angles of the two LC layers, $14^{\circ}$ and $60^{\circ}$ were required in both wide viewing angle and narrow viewing angle modes, respectively.

• 대한지역사회영양학회지
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• 제26권2호
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• pp.93-102
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• 2021

Objectives: This study was conducted to investigate the relationship between watching mukbang (eating broadcasts) and dietary and health behavior in adults who watch mukbang. Methods: The questionnaire was administered on a self-written basis through online and offline formats to 800 adults (400 men and 400 women). The contents of the survey consisted of general characteristics, mukbang viewing time per week, breakfast intake frequency, preference for menus when viewing mukbang, delivery food intake frequency per week, late meal intake frequency per week, and health behavior. The subjects were divided into three groups according to mukbang viewing time. Results: The body weight of viewers was significantly higher when mukbang viewing time was over 14 hours for both men and women. In particular, based on the BMI (body mass index), those who watched mukbang for more than 14 hours were found to be overweight. People with more than 14 hours of mukbang viewing time per week were found to prefer mostly carbohydrate-rich food and meat, while those with less than 7 hours of mukbang viewing time per week showed a higher preference for vegetables and fruits. An analysis of the frequency of breakfast eaten showed that the rate of skipping breakfast was the highest for those who watched mukbang for more than 14 hours per week, and the rate of eating breakfast daily was the highest in the case of fewer than 7 hours of viewing. In the case of high mukbang viewing time per week, the frequency of food delivery and night eating was high. When mukbang viewing time was high, the viewer's interest in health was low and the frequency of exercising too was low. Conclusions: Viewers with high mukbang viewing time showed undesirable health and eating behavior. Thus, it is believed that proper nutrition education on improving eating habits and raising the awareness of correct eating habits is necessary for such viewers.

• 한국인터넷방송통신학회논문지
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• 제23권2호
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• pp.37-50
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• 2023

본 연구에서는 다이어트 리얼리티 프로그램 시청행위(단순시청과 사회적 시청)가 시청자의 심리(지각된 현실감, 지각된 동질성, 동일화 갈망)와 시청효과(시청 만족도)에 미치는 영향을 살펴보았다. 2019년에 중국에서 큰 인기를 끌었던 다이어트 리얼리티 프로그램 <오, 좋은 몸매;애아호신재(哎呀好身材)> 시청 경험이 있으며, 다이어트 경험이 있는 여성 시청자들을 대상으로 온라인 설문 조사를 진행하였으며, 201명의 데이터가 최종 분석에 사용되었다. 인구통계학적 질문을 통해 시청자의 나이, 월 소득, 직업, 학력, 신체질량 지수, 그리고 다이어트 경험을 통제변인으로 설정하였고, SPSS 20.0을 사용하였다. 연구 결과, 단순시청과 사회적 시청 모두 시청자의 심리에 긍정적인 영향을 미치는 것으로 나타났다. 그러나, 단순시청과 사회적 시청이 시청 만족도에 직접적인 영향을 미치지 않는 것을 확인하였다. 마지막으로, 단순시청과 시청 만족도 간의 관계와 사회적 시청과 시청 만족도 간의 관계를 시청자의 심리적 변인의 매개효과를 검증하였다. 이러한 연구 결과는 다이어트 리얼리티 프로그램 시청자의 시청행위로서의 단순시청과 사회적 시청, 그리고 시청자의 심리가 시청 만족도에 미치는 영향을 이해하는 데 함의가 있다.

• 방송공학회논문지
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• 제24권7호
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• pp.1189-1198
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• 2019

The study explores the effects of recording and viewing distances in stereoscopic 3D on presence, perceptual characteristics, and negative experiences. Groups of 20 participants were randomly assigned to each of the three viewing distances, and all participants were exposed to five versions of the stereoscopic 3D music video that differs in recording distance. The results showed that first, viewers felt a higher experience of presence and had a better perception of objects positioned near the cameras. Second, viewers felt a greater perception of screen transmission as the viewing distance increased. Finally, viewers felt a greater negative experiences due to the joint effects of recording and viewing distance. As investigating the influence of stereoscopic 3D content and viewing environments on psychological factors, the study expects to provide a guideline of human factors in 3D.