• KSII Transactions on Internet and Information Systems (TIIS)
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• v.10 no.8
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• pp.3568-3584
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• 2016

In mobile opportunistic networks (MONs), human-carried mobile devices such as PDAs and smartphones, with the capability of short range wireless communications, could form various intermittent contacts due to the mobility of humans, and then could use the contact opportunity to communicate with each other. The dynamic changes of the network topology are closely related to the human mobility patterns. In this paper, we propose a social motivation-aware mobility model for MONs, which explains the basic laws of human mobility from the psychological point of view. We analyze and model social motivations of human mobility mainly in terms of expectancy value theory and affiliation motivation. Furthermore, we introduce a new concept of geographic functional cells, which not only incorporates the influence of geographical constraints on human mobility but also simplifies the complicated configuration of simulation areas. Lastly, we validate our model by simulating three real scenarios and comparing it with reality traces and other synthetic traces. The simulation results show that our model has a better match in the performance evaluation when applying social-based forwarding protocols like BUBBULE.

• Child Health Nursing Research
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• v.23 no.3
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• pp.279-291
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• 2017

Purpose: The aim of this study was to explore how characteristics of ADHD children affect social support for mothers, parenting stress, parenting sense of competence, coping, and quality of life. The conceptual model was based on the Lazarus and Folkman's stress-evaluation-coping theory. Methods: Data were collected 208 mothers of children with ADHD. Data were analysed using SPSS 18.0 and AMOS 18.0 programs. Results: The proposed model was good fit for the data based on the model fit indices. Parenting stress, parenting sense of competence and coping directly affected quality of life but characteristics of the children and social support had only an indirect effect. The explanatory power of these variables was 52.1%. Conclusion: The results of this study indicate that nursing strategies to increase social support for mothers with ADHD children, lowers parenting stress, improves parenting sense of competence, and guides the parents to choose appropriate coping. In particular, as social support has the strongest influence on the quality of life, it is necessary to develop nursing intervention programs that utilize social support for parents with ADHD children.

• Journal of the Korean Home Economics Association
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• v.31 no.1
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• pp.181-192
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• 1993

This study was undertaken to investigate the factorial structure of clothing purchase motives, and to examine the relationship between clothing purchase motives, self-concept, and post-purchase clothing satisfaction of males. Questionnaire was comprised of three sections: 25 Likert type statements of clothing purchase motive measure; post-purchase clothing satisfaction measure; and three self-concepts measure(physical, personal, and social self-concept). For the measurement of self-concepts, a portion of‘Self-Concept Scale’by Wonshik Chung was used. Samples were 312 male white collar workers in Seoul, whose age were ranged from 20 to 39. the data were analyzed using factor analysis, Cronbach's alpha reliability coefficient, Pearson's correlation coefficient, and multiple regression analysis. The results of the study were the followings: 1. Six factors of clothing purchase motives derived by factor analysis. 21 items having a factor loading of ± .40 or higher were given consideration in the interpretation of each factor: F.1‘clothing dsign’; F.2‘fashion and impulsive buying’, F.3‘clothing utility’; F.4‘others influence’: F.5‘financial margin’; F.6‘clothing’2. Male consumers perceived the purchase motive of‘clothing design’to be the most important,‘clothing deficiency’the second important, and‘others influence’the least important. 3. Physical, personal, and social self-concept had positive relations to the purchase motive of‘clothing design’and negative relations to the‘clothing deficiency’. Physical self-concept had negative relation to the motive of‘others influence’. 4. Male consumers high in physical, personal, and social self-concept had more positive attitude in the evaluation of post-purchase clothing satisfaction. 5. Post-purchase clothing satisfaction was influenced most by the purchase motive of‘clothing design’, and next by physical self-concept, and age. Age of subjects had negative relation to post-purchase clothing satisfaction. The explanatory power of the 3 variables was 19.9%.

• Education of Primary School Mathematics
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• v.26 no.3
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• pp.199-217
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• 2023

Affective characteristics have been consistently emphasized in mathematics education, but students' confidence or interest in mathematics has not changed significantly. This study analyzes the factors affecting the affective characteristics according to students' academic achievements, which have not been studied so far. The study was surveyed 593 students in the 5th and 6th grades, divided into school mathematics education and social-environmental factors. As a result of the study, students cited 'mathematics class at school' as the factor that had the most influence on their affective characteristics, regardless of academic achievement. Excluding 'mathematics classes at school', upper level students said that 'private education' and 'college entrance exams and jobs', had the most influence on their affective characteristics. Middle level students said that 'assessment at school' and 'private education' had the most influence on their affective characteristics. Lower-level students said that 'school evaluation' and 'mathematics textbook' had the most influence on the affective characteristics. In particular, as the academic achievement level decreased, students' participation in classes decreased rapidly. Most students said that the mathematics content they were learning was too difficult for that reason. Considering these research results, it would be effective to apply methods according to students' academic achievement to some extent in order to improve affective characteristics.

• Journal of the Korean Society of Costume
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• v.51 no.2
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• pp.105-120
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• 2001

The purpose of this study is to identify the relationship of self-efficacy, which is a kind of the self concept about one's own ability, to the decision-making process, which is the key part of consumer behavior. The subjects in this study were 985 male and female undergraduates of a university located in the city of Kyongsan, the north Kyongsang province. The collected data were statistically processed by MANOVA and ANOVA. For post test, Scaffle and $\chi$$^2$-test were employed. The followings are findings of this study : 1. Concerning incentive to buying, the group having the weaker general self-efficacy is stimulated more highly by the incentives of self-display, fashion pursuit and economic utility than the group having the stronger general self-efficacy does. 2. Regarding information sources. the factor of observation is frequently used by the group having the weaker general and social self-efficacies more than the group having the stronger general and social self-efficacies. 3. As to the evaluative criteria of clothes, the group having the stronger general and social self-efficacies put a higher value on functional and economical points than the group having the weaker general and social self-efficacies does. 4. As for the evaluative criteria of store the group having the stronger general self-efficacy lays stress on store atmosphere, store attributes and convenient shopping condition, while the group having the weaker general self-efficacy puts emphasis on brand and fashion. 5. In buying apparels, the group having the stronger general and social self-efficacies makes more planned purchase.

• Journal of the Korea Safety Management & Science
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• v.9 no.6
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• pp.31-38
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• 2007

The construction industry by its nature retains higher level of danger where the smallest of error may lead to a major catastrophe endangering many workers and public safety as well as provoke social criticism. With the aid of quantitative statistical data on safety-related calamity analyzed till this day, this paper handled in depth the analysis of diseases other than the accidents, and selected new variable indexes that influence the indirect sections of calamity that are mostly concealed and incorporated them in a new model. For the factor selection of new calamity evaluation model, FRAT(Frequency, Recency, Amount, Type of merchandise/service)technique of customer-related management in marketing was applied, and as for the significance of each factor in the weight selection of variables. Consequently, considering the graveness of the FRAT itself through safety management experts, the related researches must be expanded.

• Cartoon and Animation Studies
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• s.41
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• pp.223-252
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• 2015

Previous literature reviews have provided important insights into social game addictions, but the issue still needs to be examined from other directions such as the distribution of research purposes. For this purpose, 61 papers from selected journals were analyzed by a meta-analysis method. Specifically, this study poses the following three research questions: (1) What are the major of research purposes and methodologies? (2) What are the highly cited articles in studies of social game addictions? Results showed five new findings: (1) the research purpose of most social game addictions studies focuses on investigating the effect, followed by evaluating the influence of social game addictions. (2) Surveys and experimental methods were the preferred research methods, regardless of whether the research purpose focused on investigating or evaluation. (3) Social game addictions studies are most prevalent at the game users, higher education institutions, followed by schools. (4) Social game addictions studies most frequently supports researcher in the professions and applied sciences, followed by humanities, formal sciences and social sciences. (5) The most highly cited articles fall into the categories of investigating the effects and followed by evaluating the influence, designing a model and evaluating the effects of social game addictions. In this regard, this study of issues in social game addictions presents findings that can help supplement linkages with previous studies and forms an important reference base to pursue deeper academic discussions in the current research fields. These results and findings not only to supplement understanding of social game addictions based on different and important viewpoints, but also to provide useful insights for researchers and educators into issues related to social game addictions studies in future.

• International Area Studies Review
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• v.12 no.2
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• pp.251-274
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• 2008

This article investigated competitiveness evaluation of Korean product in German market that it is the most difficult to entry among EU countries in order to gain the upper hand against other MNCs. Specially, this empirical study analyzed product evaluation by using country image, corporate image and purchase experience. As the empirical results, Korean economy image and general image are significant. This means that German consumers have good image for economic, social and cultural image, so these factors influence product evaluation through halo effect. Also, we analyzed the effect of brand purchase experience and knowledge for Korea on product evaluation of German consumer. The results that country competitiveness and image play a role into product evaluation provide implication that we should make not only country image but also developed political, cultural image.

• Journal of Information Technology Applications and Management
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• v.20 no.3_spc
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• pp.259-278
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• 2013

At the center of the repeating evolution of IT industry, there is mobile computing in the ubiquitous environment, and the increasing usage of smart phones contribute more to its growth. P corporation co-developed with Google and implemented smart work system called SWP for the purpose of 'communication and collaboration with co-workers' beyond the general goal of increasing productivity and comfort of employees. The primary objective of this study is to objectively analyze the influence of the effect factor from end user's perspective and user satisfaction on SWP usage, intention for continuous usage and individual performance. To accomplish this research purpose, this study established research models and hypothesis by collective review about information system success models, and tested the research hypotheses using the structural equation modeling technique by data collected from 320 SWP system users of P corporation. Variations for system satisfaction evaluation standard are 1)SW system usage 2) intention for continuous usage 3) individual performance, effect variations are 1) social factors 2) technical factors 3) combination of social and technical factors. Therefore, this study is about influence factors on success of SWP system and how the factors impact the outcome. The test results of this research model is summarized as follows. Firstly, system user's satisfaction had positive impact on all three; SWP system usage, intention for continuous usage and individual performance. Secondly, social factor 'SWP control system' and technical factor 'information quality' and 'system quality' had positive impact on SWP system user satisfaction, while social factor 'shared value' and technical factor 'service quality' did not have significant effect on user satisfaction. Shared value however, had interactive effect with 'information quality' and 'service quality'. This study is expected to contribute to spread of academic research on smart work system by suggesting a model that can show important factors for corporation while explaining the successful implementation of SWP and its continuous usage.

• The Journal of Korean Society for School & Community Health Education
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• v.11 no.1
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• pp.117-134
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• 2010

Background & Objectives: Recently, problems such as in-school violence of teenagers, gang fight, habitual drinking, smoking, running away from home and group isolation can be regarded as the most fundamental causes of teenagers' deviation. It is said that such fundamental causes are originated from their home, the base for the psychological and behavioral development. Methods: In this study, the data for 3,188 students studying in the 3rd grade at middle school, which have been obtained from the second year survey for the panel of the 2nd grade students in 2004 by to Korea Youth Panel Survey, have been used for the analysis of the study. Results: According to the result of the study, there seems to be no difference between two genders for differences of average values. Regarding the analysis of correlation coefficients between such related variables as domestic violence, self-control, self-worth, self-trust and family relationship (sociability), and teenagers' deviation, When variables increase, teenagers' deviation decreases. Regarding the relationship between domestic violence and teenagers' deviation, physical violence is more related than lingual violence. The relationship between self-control and teenagers' deviation is the highest. By studying the deviation of teenagers exposed to domestic violence and carrying out the regression analysis, physical violence influences, teenagers' deviation was greater. As self-control, self-worth and family relationship(sociability) increase, teenagers' deviation decreases. Regarding the analytic results of this study, the experience of domestic violence seems to influence teenagers' deviation greatly. Among various types of domestic violence, physical violence is analyzed to influence teenagers' deviation greatly. Self-control, self-worth and family relationship(sociability) increase, teenagers' deviation decreases. Conclusions: In order to prevent teenagers' deviation and decrease the second conviction rate, it is necessary to provide a method of decreasing the domestic violence. It is necessary for schools and local communities to provide social support for teenagers.