• 대한가정학회지
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• 제50권8호
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• pp.13-19
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• 2012

The present study explored the hours of living and playtime depending on existence of caregiver after school using the data from the Korean Children and Youth Panel Survey7071. KCYPS date collected on 1th, 4th and 7th grade children and their caregivers. The hours of living was categorized into sleeping, learning, reading and play times. Playtime was sub-categorized into time for using playing the computer/games, watching TV/DVD and playing with peer groups. The present study has shown that children in the fourth grade spent more time on learning, whereas reading children in the seventh grade spent more time on playing compared to those in other grades during the weekdays. Also, children in higher grades spent more time playing both on the weekdays and on the weekends. Students of all grades spent more time watching TV/DVD compared to other activities during the weekdays and the weekends. Children with a caregiver spent more time on learning and spent less time playing computer/game, watching TV/DVD and playing with peer groups than children without caregivers. As students moved up a grade, these results clearly appeared. Considering the results in this study, the allocation of hours of living and playtime of children altered depending on the existence of a caregivers.

• 한국보육지원학회지
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• 제16권3호
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• pp.59-77
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• 2020

Objective: The purpose of this study was to investigate the effect of mothers'play belief and their children's playtime on self-determination of young children. Methods: Participants of this study were 239 mothers of 6-year-old children attending childcare centers. An online self-report survey method was implemented to investigate whether mothers appreciate the contribution of play on their children's development, if mothers allow their children's playtime, and to examine the level of self-determination of their children. SPSS 22.0 was conducted for descriptive statistics and AMOS 21.0 was used for the path analysis to investigate the hypothetical relationship among variables. Results: Mothers' play support belief had a direct influence on their children's self-determination, while young children's playtime that was also affected by their mothers' play support belief had an indirect effect on their self-determination. Conclusion/Implications: The research shows that children's self-determination can be fostered by providing time to play when they can make decisions and demonstrate goal directed behaviors, and by providing an atmosphere that emphasizes the importance of playing in one's childhood.

• PNF and Movement
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• 제15권3호
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• pp.281-290
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• 2017

Purpose: The purpose of this study was to examine the effect of an 8-week competitive exercise program on physical fitness, psychological variables, and video-game playtime in game-addicted adolescents. Methods: All subjects were screened by a game behavior diagnosis scale questionnaire, and a total of 7 game-addicted, male adolescents ($16{\pm}2$ yrs of age) participated in the study. All subjects were informed of the study's purpose, procedures, and risks, and a consent form was obtained from each subject. The 8-week soccer and basketball exercise program included twice-weekly sessions of 120 minutes per session. All data were presented as $mean{\pm}SE$, and the variables were analyzed with a paired t-test. Results: Following the 8-week intervention, cardiovascular endurance and grip strength were significantly increased (approximately 17 and 7%, respectively [p<0.05]). Although there was no statistical significance on flexibility, vertical jump, and zigzag-run, all variables showed an increasing tendency. Anxiety levels changed from a mild anxiety state to a normal state, and depression levels also altered from moderate to a normal state. The video-game playtime was reduced about 20% during weekends and vacation periods. Conclusion: Given these combined results, 8 weeks of regular participation in competitive exercise (soccer/basketball) may contribute to positive effects on physical fitness, psychological variables, and video-game playtime in computer-game addicted adolescents.

• 대한통합의학회지
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• 제9권3호
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• pp.1-8
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• 2021

Purpose : There is a lack of research on this field in the Republic of Korea, especially those that have seen the effect of interaction between siblings through sensory integration therapy (SIT). Therefore, this study sought to find out the effectiveness of SIT with siblings through the Revised Knox Preschool Play Scale (RKPPS) and playtime. Methods : The experimental group consisted of 10 disabled children, and 10 normal siblings of the disabilities joined the program as a helper. In addition, 10 children with disabilities conducted the intervention as a control group. The difference between the experimental group and the control group is whether they participate with their sibling or not during the intervention period. The present study was conducted a SIT for 40 minutes per week for the experimental and the control group and then had 10 minutes of an interview with the parents of children with disabilities. A total of 10 programs were implemented for 10 weeks. Results : The experimental group showed statistically significant differences in space management, material management, pretense/symbolic, participation, and total scores. The control group showed significant differences between pre and post results in the participation and the total scores. The experimental group and the control group showed significant differences in the pre-post comparison results. The comparison of post-intervention between both groups of the RKPPS and playtime results showed a statistically significant increase in the experimental group. Conclusion : The sibling SIT showed better play level and time than the individual therapy. However, comparisons before and after the intervention in the level of play showed significant results only in participation and total scores in the control group. Clinically, it is recommended to make good use of sibling relationships when applying SIT, and if that is not possible, continuous observation is needed that children who received treatment become familiar with the environment in which they can be treated.

• 한국컴퓨터정보학회:학술대회논문집
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• 한국컴퓨터정보학회 2023년도 제68차 하계학술대회논문집 31권2호
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• pp.119-122
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• 2023

게임 이용자가 재미를 느끼고 몰입하며 그 재미가 오래 유지되도록 하는 것은 많은 게임 디자이너의 관심사이다. 본 논문에서는 비교적 적은 개발 비용으로 긴 몰입 기간을 만들어낸 몬스터 헌터: 월드를 통해 이를 가능토록 하는 게임 디자인 기법 "반복 플레이 동기 부여", "숙련도 영역 전환"의 두 가지를 제안한다.

• 한국멀티미디어학회논문지
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• 제10권8호
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• pp.1039-1051
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• 2007

본 논문은 비디오통신 시스템에서 초저지연을 달성하면서 립싱크 제어하는 방법을 제안한다. 초저지연 비디오 통신에서 핵심적인 기술은 종단간 지연시간을 줄이는 기술과 립싱크 제어 기술이다. 특히 서비스관점에서 립싱크 제어 기술이 중요한 요인으로 작용하고 있다. 오디오와 비디오의 데이터를 RTP/RTCP 기반으로 패킷을 구성하여 전송하고, 이 패킷을 이용하여 오디오와 비디오의 재생시간을 계산한 후 립싱크 제어를 한다. 본 논문에서는 오디오 데이터가 일정한 간격으로 재생되도록 하고, 오디오가 재생되는 시점에서 가장 근접한 재생시간을 가진 비디오 데이터를 찾아서 재생하는 방법으로 오디오와 비디오간의 립싱크 제어하는 방법을 제안한다. 그리고 종단간 지연시간이 100 ms이하인 초저지연 비디오 통신을 하기 위해서는 송신단의 인코딩 버퍼 제거하여 지연시간을 줄이고, 수신단의 재정렬버퍼 (Reordering Buffer)와 립싱크 버퍼의 크기를 3 프레임으로 처리하여 종단간 지연시간을 최소로 하였다. 실험결과에서 종단간 지연시간이 100 ms이하를 유지하고 오디오와 비디오의 립싱크 제어를 하였다.

• 한국멀티미디어학회논문지
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• 제23권1호
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• pp.67-73
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• 2020

This paper analyzed the characteristics of Motion Poster (Moster) and discussed the visual expression methods. To this end, the existing literature on motion posters was organized. The visual representation of motion posters was analyzed by dividing into 'Main Visual', 'Mode of Movement', 'Playtime' and 'Sound'. The analysis results were as follows. As motion posters are kind of movie posters, they are made from the original movie poster images, characters, or scenes of the movie. Graphical representations used either photo-realism or computer realism. The movement methods are 'simple movement of visual elements(movement, gesture and rotation, appear or disappear)+fixed camera movement' or' camera movement (zoom in/out, rotate, move) + fixed visual element movement'. Playback time ranged from about 10 seconds to over 1 minute of video, and the longer the video, the higher the probability of including sound.

• 한국보육지원학회지
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• 제14권6호
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• pp.123-141
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• 2018

Objective: The purpose of this study was to investigate the effects of fathers' playfulness and play participation on preschoolers' peer competence. Methods: The participants in the study were 325 preschoolers and their fathers. The survey method was used to investigate fathers' playfulness, fathers' average level of play participation as well as playtime with their children and preschoolers' peer competence. In order to analyze the data, one-way ANOVA and regression analysis were utilized. Results: The results showed that fathers' playfulness and play participation were different according to the fathers' weekly working hours. It was found that the higher the cheerfulness of the sub-factors of fathers' playfulness was, the higher the sociability of sub-factors of preschoolers' peer competence was. The amount of fathers' play time with children as well as the average level of play participation, which is the qualitative aspect of fathers' play participation, was found to affect preschoolers' peer competence and the three sub-factors of competence. Conclusion/Implications: The findings implied that fathers' active play participation with children is important and that there is a need to improve working conditions in order for fathers to have time to play with their children.

• 정보보호학회논문지
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• 제28권5호
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• pp.1153-1160
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• 2018

온라인 게임 이용자가 증가하고 시장 규모가 커지면서 여러 가지 부정행위가 발생하고 있다. 게임 봇은 플레이 시간을 확보하고, 계정 레벨업과 각종 재화 획득을 용이하게 해주는 대표적인 불법 프로그램이다. 본 연구에서는 이용자의 행위 시간 간격(ATI)을 기반으로 게임 봇을 탐지하는 기법을 제안한다. 이 기법은 게임에서 봇의 행위를 관찰하여 빈도수가 많은 행위를 선별한다. 선별된 행위별로 빈도수, ATI 평균, ATI 표준편차를 feature로 Machine Learning을 적용하여 정상 사용자와 게임 봇을 구분한다. 제안한 기법의 유효성을 검증하기 위해 '아이온' 게임의 실제 로그를 이용하여 성능을 측정하였고, 97%의 정확도를 보였다. 이 방법은 캐릭터의 움직임, 소셜 행위 뿐 아니라 이용자의 모든 행위를 이용할 수 있으므로 다양한 게임에 적용할 수 있다.

• Child Health Nursing Research
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• 제8권4호
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• pp.435-448
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• 2002

Accidents are important causes of death and disability in children. They also have enormous financial implications. Young children become an victim of accidents easily because of their physical fragileness and their coping behavior being vulnerable to any actions taken by accidents. Once they have a accident, the children whose not fully developed, suffer from devastating long-term after-effects. Lee, Lee, Kang and Han(1995) reported that ninety percent of accidents can be prevented. But there is no national system to manage, evaluate and analyse the information about child accidents, even though it is necessary for accident prevention policies and health promotion of the general public. The purpose of the study was to determine how often children have accidents and define the accident prevention strategies in children. The investigator conducted a descriptive study by performing the surveys, interviews, and workshops for the 2,458 young children, 10 teachers, and 1,494 parents. The data collection for the study began on September 2000 and completed on April 20, 2001. The analysis of the data was done with Window SPSS 10.0 for descriptive statistics. Among those children, 1,298 children(52.8％) injured from accidents. The children who had accident answered that they injured from traffic accident(27.3％), inside the home(26.3％), on the playground(17.0％), during playtime(13.6％), in the school(5.9％) and food poisoning(7.1％). To define accident prevention strategies for the school children, the parents and the teachers who had a special interest in this topic formed a special task force under the guidance of the investigator. The team was charged to prepare the basis of content materials by identifying the problems, setting standards for the program, prioritizing the process, and selecting the methods of implementation and evaluation. Eight issues and concerns identified by the team were: 1)allowing young children to learn undesirable habits and behaviors that would bother others without knowing; 2) not guarding young children from car accident; 3)unattended accident at playground; 4) considering home places safe; 5)unattended accident at school. These issues were found to be coinciding with the actual child accident cases occurred recent years in Korea. Greater efforts are required to reduce unnecessary deaths and disability from childhood accidents. This study gave a very useful and important data to prepare accident prevention educational program and to prepare accident prevention strategies.