• The Transactions of the Korea Information Processing Society
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• v.3 no.1
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• pp.95-106
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• 1996

The most fundamental difference between general three dimensional computer graphics technology and virtual reality technology lies in the degree of realism as we feel, and thus the virtual reality method heavily relies on such tolls as data gloves, 3D auditory system to enhance human perception and recognition. Although these tolls are valid for such purpose, more essential ingredient. This paper provides further realism by modeling active interactions between the objects inside scenes. For this purpose, this paper proposes and implements a field model where the virtual reality space is treated as a physical field defined on the characteristic radius of stimulus and sense corresponding to the individual object. In the field model, the rule of cause and effect as an essential feature of the realism can be interpreted simply as an energy exchange between objects and consequently, variation on the radius information together with behavioral logic alone can build the virtual environment where each object can react to other objects actively and controllably.

• Industry Promotion Research
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• v.3 no.2
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• pp.21-31
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• 2018

This study conducted a hypothesis test to examine the effect of integrated service quality of nursing and care on medical service performance. The results of this study are as follows. First, the perceived performance, loyalty, perceived performance, perceived loyalty, and perceived loyalty of medical service achievement, perceived performance of medical service performance, responsiveness, confident, empathy, The results show that adoption has a positive impact on loyalty. In other words, the integrated service quality proved to be very important for the medical service capacity. In order to do this, institutional efforts should be given priority to increase the number of nursing staff. In order to nurture excellent nursing team members, in addition to professional nursing ability, emphasis should also be placed on personality education for positive relationships through patient empathy. In this study, we can find the implication of the study that we measured the effect of integrated service quality on medical service performance.

• International Commerce and Information Review
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• v.15 no.4
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• pp.3-25
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• 2013

With the ever-changing medical tourist environment, the study has delved into issues ranging from judged value on medical tourist service quality and its effect on the service level and recurring rate of return visit through the quantitative analysis with the survey for a group of tourists from Japan, China, USA and the interview survey on medical specialist on tourists. Verifying the Hypothesis 1 reveals the assertion that quality of medical service for tourists has effected upon the functional value has proven to be true except the cases on responsiveness and accessibility. And the assumption that the quality of medical service for tourists has effected upon the emotional value has proven to be true except the case on accessibility. The paper has its limitation in that it is confined to medical tourists of small numbers of target countries, relatively short survey period. The study shall be followed by the further analysis on the factors for medical tourists' personal and societal effect

• Journal of the Korean Chemical Society
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• v.64 no.5
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• pp.267-276
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• 2020

This study analyzed the level of chemistry teachers' cognition related to two types of acid-base models taught in secondary schools. For the purpose, a questionnaire was developed to identify teachers' cognitions based on previous studies that analyzed the 'Ignorance' of each model. The questionnaire consisted of two items, one related to acid and base reactions and one related to acid and base dissociation, which suggested inconsistencies between the two models. The subjects were 15 chemistry teachers, and as a result, teachers' cognitions were analyzed at four levels. The four levels are: if they don't know the two models, if they only understand one model, if they understand the two models, and perceived the 'Ignorance' of one model, and if they understand the two models and perceived the 'Ignorance' of the two models. The largest proportion of teachers understood the two models and perceived the 'Ignorance' of one model. However, the proportion of understanding the two models and perceiving the 'Ignorance' of the two models was very small. Through this, we argued that efforts to increase the level of chemistry teachers' cognition of the model and 'Ignorance' were necessary.

• Journal of KIISE:Computing Practices and Letters
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• v.15 no.11
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• pp.819-830
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• 2009

When simulating large crowds, it is inevitable that the models and motions of many characters will be cloned. McDonnell et al. analyzed user's perception to find cloned characters. They established that clones of appearance are far easier to detect than motion clones. In this paper, we expand McDonnell's research[1], with the focus on multiple clones and the appearance variety in real-time game environment. Introducing the perceptual organization, we show the appearance variety of crowd clones by using game items and texture modulation. Other factors that influence the ability to detect clones were examined, such as the moving direction and distance between character clones. Our results provide novel insights and useful thresholds that will assist in creating more realistic crowds of game environments.

• Asia Marketing Journal
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• v.2 no.1
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• pp.27-41
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• 2000

본 연구는 서비스산업인 호텔기업을 대상으로 특 1 급, 특 2 급, 1 급 호텔의 시장지향성이 관리자와 종업원들간에 어떻게 지각되고, 호텔등급별로 시장지향성은 차이가 있으며, 호텔등급별로 시장지향성이 사업성과에 미치는 영향력은 차이가 있는가를 알아보고자 이에 관련된 연구과제를 설정하고 실증분석 하였다. 본 연구의 실증분석 결과는 다음과 같다. 첫째, 호텔등급별로 관리자와 종업원들은 특 1 급 호텔의 경우 경쟁자의 가격구조에 대한 반응(Moi3)(p<.01)과 시장세분화를 근거로 한 신제품/서비스 개발(Mor1)(p<.05), 특 2 급 호텔의 경우 고객여론 조사 정도(Mog2) (p<.05), 시장세분화를 근거로 한 신제품/서비스 개발(Mor1)(p<.05), 제품/서비스 개발 노력이 고객욕구와 일치하는 가의 정기적 점검 (Mor2)(p<.05)., 1 급 호텔의 경우 비공식적 수단에 의한 호텔산업 정보 수집 정도(Mog3) (p<.05), 사업계획이 시장조사보다는 기술발전에 따라 이루어지는 정도(Mor3)(p<.05) 등의 시장지향성 항목에 대해서 유의적인 지각 차이를 보이는 것으로 나타났다. 둘째, 특 1 급 호텔의 시장지향성이 특 2 급, 1 급 호텔의 시장지향성보다 높은 것으로 나타나 특 2 급, 1 급 호텔은 특 1 급 호텔을 전략적 벤치마킹의 대상으로 설정할 필요성이 있는 것으로 나타났다. 셋째, 호텔등급 별로 시장지향성이 성과에 미치는 영향력(R²)을 분석한 결과, 특 1 급과 특 2 급 호텔이 1 급 호텔에 비하여 유의적으로 높은 것으로 나타났다. 한편 특 1 급과 특 2 급 호텔은 통계적으로 유의적인 차이는 없었으나 특 1 급 호텔의 시장지향성이 더 높은 것으로 나타났다.

• Management & Information Systems Review
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• v.29 no.1
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• pp.145-176
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• 2010

In most service organization, salespeople are the most visible representatives of the company. Salespeople are exposed to greater ethical pressures than individuals in many other jobs. In this context, the salesperson's ethical behaviour can play a critical role in the formation and maintenance of long-term buyer-seller relationships. Moreover, it can even generate liability problems for salespeople's organizations through both intentional and inadvertent statements. The purpose of this research focuses on the analysis of the role of ethical sales behaviour, as perceived by customer, in developing and maintaining relationship between the salesperson and the customer. Thus this study examines the relationship among perceived ethical sales behaviour, customer satisfaction, customer trust, and customer loyalty. The results of empirical analysis can be summarized by the following: First, perceived ethical sales behaviour had a significant direct effect on customer satisfaction, customer trust and customer loyalty. Second, customer satisfaction had a positive effect customer trust and customer loyalty. Third, perceived ethical sales behaviour had a significant indirect effect on customer loyalty through customer satisfaction and customer trust. Therefore, These finding will spawn both academic and practitioner interest in the salesperson's ethical sales behaviour and serve as a foundation for further research in this important area.

• Journal of Convergence for Information Technology
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• v.9 no.4
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• pp.59-67
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• 2019

Most of the prior researches in brand extension evaluation have utilized purchase intention as a n effective variable to assess the effectiveness of brand extensions. In contrast, the author proposes that trial intention is to better predict consumers' behavioral response in the newly launched brand extension markets where relate to high risk and uncertainty. Furthermore, the study explores the effects of attitude toward parent brand and consumers' characteristics (perceived similarity and consumption experience) on trial intention of brand extensions. In order to achieve the purpose of the study, the data collection was conducted for actual consumers who had experience using parent brand products. This study employed experiment and questionnaire survey and collected data of 186 was analyzed using clustering analysis and regression analysis. The main results are as follows. First, attitude toward parent brand has a positive effect on trial intention of the extensions. Second, perceived similarity and consumption experience of parent brand have moderating effects on the relation of attitude toward parent brand and trial intention of brand extensions. The results provide that both industry and academic researchers with a guide to process trial intention of brand extension from a comprehensive perspective.

• Management & Information Systems Review
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• v.31 no.2
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• pp.143-172
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• 2012

While e-commerce market(B2C) grows rapidly, many experts argue that EC(B2C) transactions have not reached its full potential. A notable difference between online and offline consumer markets that is suppressing the growth of EC(B2C) is the decreased presence of human and social elements in the online shopping environments. Generally online shopping lacks human warmth and sociability. In this study, social presence in online shopping mall was proposed as a substitute for face-to-face social interaction in the traditional commerce and author explored what variables affect social presence(human warmth and sociability) on online shopping malls and how human warmth and sociability can influence on online store loyalty. To achieve research objectives, we reviewed literatures related with marketing, psychology and communication research areas. Based on literature review, we proposed a research model on the online shopping mall. To examine the proposed research model, we gathered data by using a self-report questionnaire. Respondents consists of online shoppers with at least five or more times of purchase experience in online shopping malls. Because social presence is a feeling which needs frequent contacts with malls to experience, respondents must have enough purchase experiences. The empirical results are as follows : First, shopping mall's customization efforts influence perceived social presence on the mall significantly. Second, shopping mall's responsiveness influences perceived social presence significantly. Third, perceived activity of community of online shopping mall influences perceived social presence significantly. Mall managers have to activate their customer community to reinforce social presence, resulting in trust building. Finally, perceived social presence influences trust and enjoyment on the mall significantly. And then trust and enjoyment on the mall affect store loyalty significantly. From these findings it can be inferred that perceived social presence appears determinant which is critical to the formation of core variables(trust and loyalty) in existing online shopping papers.

• Journal of Korean Ophthalmic Optics Society
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• v.17 no.2
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• pp.165-170
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• 2012

Purpose: The aim of this study was to measure and evaluate changes of visual responses in viewing a 2D and 3D (three-dimensional) image. Methods: The subjects were 44 college students aged 19 to 25 years with normal binocular vision. The visual responses measured were CA/C (convergence accommodation/convergence) ratio, convergence-induced PD(interpupillary distance), accommodative responses, perceived distance in viewing a 3D image. Results: Convergence and accommodative responses in viewing the 3D image were significantly larger (p<0.05) than in 2D. A moderate positive correction was found between CA/C ratio and accommodative response (r = 0.477, p = 0.001). It was indicated that smaller PD had larger depth perception. Convergence in viewing the 3D image was significantly larger (p<0.05) than that at cognitive distance. Conclusions: The visual fatigue may be more intense in larger CA/C ratio and smaller PD when viewing 3D images.