• 디지털융복합연구
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• 제10권9호
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• pp.281-287
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• 2012

본 연구는 한국 소비자들의 명품 소비행동과 관련된 요인들로 밝혀진 구매동기요인 및 사용혜택요인들을 중심으로 구매의도에 미치는 인과구조적 관계성을 알아보고자 하였다. 선행 문헌분석을 토대로 한국인의 명품구매동기와 사용혜택요인들에 대한 요인구조에 대해 살펴보았으며, 이러한 요인들이 명품 구매의도와 어떤 관계성이 있는 가를 확인하였다. 연구결과 첫째, 소비자들이 명품을 구매하는 동기와 명품을 사용함으로써 얻는 혜택요인들 간의 관련성을 확인한 결과, 물질적 동기는 경제적 혜택과 실용적 혜택요인에 긍정적 영향을 미치고 있는 것으로 나타났으며, 심리적 동기는 개인적 혜택과 사회적 혜택 및 경제적 혜택요인에 긍정적 영향을 미치고 있는 것으로 나타났다. 둘째, 소비자들의 명품 구매동기 요인이 구매의도에 미치는 관련성을 확인한 결과, 물질적 동기는 유의미한 영향이나 관계가 나타나지 않았으나, 심리적 동기는 긍정적 영향을 미치고 있는 것으로 나타났다. 셋째, 명품 사용 혜택요인들이 구매의도에 미치는 관련성을 확인한 결과, 개인적, 경제적, 실용적 혜택요인들은 유의미한 영향이나 관계가 나타나지 않았으나, 사회적 혜택요인은 부정적 영향을 미치고 있는 것으로 나타났다. 마지막으로 이러한 요인들 간의 매개효과 측면을 확인한 결과, 심리적 동기만이 사회적 혜택요인을 통한 구매의도와의 부분매개효과가 있는 것으로 나타났다. 본 연구결과는 소비자들의 명품구매행동을 설명하는데 구매동기가 구매행동에 미치는 단순한 직선관계뿐만 아니라 명품을 사용함으로서 얻게 되는 혜택요인에 대한 지각이 매개되어 나타나는 간접적 과정을 설명했다는 점에 가치가 있으며, 향후 명품관련 마케팅 담당자들에게 소비자들의 이러한 심리적 특성을 고려해야만 하는 시사점을 제공해 주었다.

• Asia pacific journal of information systems
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• 제24권4호
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• pp.493-513
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• 2014

With the development of related technologies, Location-Based Services (LBS) are growing fast and being used in many ways. Past LBS studies have focused on adoption of LBS because of the fact that LBS users have privacy concerns regarding revealing their location information. Meanwhile, the number of LBS users and revenues from LBS are growing rapidly because users can get some benefits by revealing their location information. Little research has been done on how LBS affects consumers' information search behavior in product purchase. The purpose of this paper is examining the effect of LBS information filtering on buyers' uncertainty and their information search behavior. When consumers purchase a product, they try to reduce uncertainty by searching information. Generally, there are two types of uncertainties - knowledge uncertainty and choice uncertainty. Knowledge uncertainty refers to the lack of information on what kinds of alternatives are available in the market and/or their important attributes. Therefore, consumers having knowledge uncertainty will have difficulties in identifying what alternatives exist in the market to fulfil their needs. Choice uncertainty refers to the lack of information about consumers' own preferences and which alternative will fit in their needs. Therefore, consumers with choice uncertainty have difficulties selecting best product among available alternatives.. According to economics of information theory, consumers narrow the scope of information search when knowledge uncertainty is high. It is because consumers' information search cost is high when their knowledge uncertainty is high. If people do not know available alternatives and their attributes, it takes time and cognitive efforts for them to acquire information about available alternatives. Therefore, they will reduce search breadth. For people with high knowledge uncertainty, the information about products and their attributes is new and of high value for them. Therefore, they will conduct searches more in-depth because they have incentive to acquire more information. When people have high choice uncertainty, people tend to search information about more alternatives. It is because increased search breadth will improve their chances to find better alternative for them. On the other hand, since human's cognitive capacity is limited, the increased search breadth (more alternatives) will reduce the depth of information search for each alternative. Consumers with high choice uncertainty will spend less time and effort for each alternative because considering more alternatives will increase their utility. LBS provides users with the capability to screen alternatives based on the distance from them, which reduces information search costs. Therefore, it is expected that LBS will help users consider more alternatives even when they have high knowledge uncertainty. LBS provides distance information, which helps users choose alternatives appropriate for them. Therefore, users will perceive lower choice uncertainty when they use LBS. In order to test the hypotheses, we selected 80 students and assigned them to one of the two experiment groups. One group was asked to use LBS to search surrounding restaurants and the other group was asked to not use LBS to search nearby restaurants. The experimental tasks and measures items were validated in a pilot experiment. The final measurement items are shown in Appendix A. Each subject was asked to read one of the two scenarios - with or without LBS - and use a smartphone application to pick a restaurant. All behaviors on smartphone were recorded using a recording application. Search breadth was measured by the number of restaurants clicked by each subject. Search depths was measured by two metrics - the average number of sub-level pages each subject visited and the average time spent on each restaurant. The hypotheses were tested using SPSS and PLS. The results show that knowledge uncertainty reduces search breadth (H1a). However, there was no significant correlation between knowledge uncertainty and search depth (H1b). Choice uncertainty significantly reduces search depth (H2b), but no significant relationship was found between choice uncertainty and search breadth (H2a). LBS information filtering significantly reduces the buyers' choice uncertainty (H4) and reduces the negative relationship between knowledge uncertainty and search breadth (H3). This research provides some important implications for service providers. Service providers should use different strategies based on their service properties. For those service providers who are not well-known to consumers (high knowledge uncertainty) should encourage their customers to use LBS. This is because LBS would increase buyers' consideration sets when the knowledge uncertainty is high. Therefore, less known services have chances to be included in consumers' consideration sets with LBS. On the other hand, LBS information filtering decrease choice uncertainty and the near service providers are more likely to be selected than without LBS. Hence, service providers should analyze geographically approximate competitors' strength and try to reduce the gap so that they can have chances to be included in the consideration set.

• 농촌의학ㆍ지역보건
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• 제44권1호
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• pp.28-38
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• 2019

본 연구에서는 우리나라 보건소 방문건강관리사업과 노인장기요양보험의 방문간호, 의료기관의 가정간호사업 등 가정방문간호사업 현황을 살펴보고, 향후 발전과정을 모색하고자 수행되었다. 본 연구를 위하여 각 가정방문간호사업의 관련 법령, 통계자료, 지침과 안내서, 연구논문과 학술대회 자료집 등을 검색하여 관련 문헌을 고찰하였다. 연구결과 보건소 방문건강관리사업은 지역보건법에 근거하여 주로 취약계층을 대상으로 간호사에게 의해 비용부담 없이 제공되고 있으며, 2017년 12월을 기준으로 1,261,208명 등록 관리되는 것으로 나타났다. 보건소 방문건강관리사업 등록 대상자는 흡연율, 걷기 실천율, 혈압조절율, 혈당조절률 등이 향상되는 것으로 나타나, 건강행위와 질병관리 측면에서 긍정적인 효과가 있고, 비용-편익이 있다고 보고되었다. 노인장기요양보험에서의 방문간호는 노인장기요양보험법에 근거하여 간호사 또는 간호조무사에 의해 재가장기요양기관에서 방문간호를 제공하고 있으며, 시간당 정해진 수가에 따라 비용을 받고 있는데, 2017년에 전체 요양급여비의 0.2%만이 방문간호로 이용하는 것으로 나타났다. 재가장기요양보험 방문간호 이용자는 비이용자에 비해 의료비도 더 적게 쓰고, 입원일도 적다고 보고되었다. 의료기관 가정간호는 의료법에 근거하여 2명 이상의 가정간호사(가정전문간호사)를 고용한 의료기관에서 의사의 처방 하에 가정간호서비스를 제공하는데, 2017년 460명의 가정간호사가 가정간호서비스를 제공하고, 전체 의료비의 0.038%가 가정간호비용으로 지불된 것으로 나타났다. 우리나라 가정방문간호 유형은 관련법이나 인력, 사업 대상이 다르지만, 서비스 이용자의 건강관리에 효과가 있고, 비용-편익이 상당히 높은 것으로 나타났다. 우리나라 가정방문간호를 발전과 활성화를 위해 세 개 유형의 가정방문간호 서비스가 통합적으로 제공될 수 있는 방안을 모색하고, 근로 조건의 개선, 가정방문간호서비스 제공인력기준이나 방문간호수가 체계의 개선과 같은 법령의 개정 등을 고려할 필요가 있다고 본다.

• 한국자동차공학회논문집
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• 제22권5호
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• pp.91-101
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• 2014

In this study, we presented a timing verification method for a passenger car diesel engine management system (EMS) using measurement-based worst-case execution time (WCET) analysis. In order to cope with AUTOSAR-compliant software architecture, a development process model is proposed. In the process model, a runnable is regarded as a test unit and its temporal behavior (i.e. maximum observed execution time, MOET) is obtained along with on-target functionality evaluation results during online unit test. Furthermore, a cost-effective framework for online unit test is proposed. Because the runtime environment layer and the standard calibration environment are utilized to implement test interface, additional resource consumption of the target processor is minimized. Using the proposed development process model and unit test framework, the MOETs of 86 runnables for diesel EMS are obtained with 213 unit test cases. Using the obtained MOETs of runnables, the WCETs of tasks are estimated and the schedulability is evaluated. From the schedulability analysis results, the problems of the initially designed schedule table is recognized and it is fixed by redesigning of the runnable mapping and task offset. Through the various test scenarios, the proposed method is validated.

• 한국지역사회생활과학회지
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• 제17권3호
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• pp.159-174
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• 2006

The purpose of this study is to provide information searching for health promotion, nutrition improvement, and health care of the impaired elderly by ADL(Activity of Daily Living) and IADL(Instrumental Activity of Daily Living). The subjects were divided into the Assistant Needed Group and No Assistant Needed Group for living in line with the responses of ADL(10 items like dressing, washing, move etc.) and IADL(10 items like housekeeping, using transportation, shopping, Phone call etc.). Survey was made for health behavior, health risk habit, dietary management status and diet intake by 24 hr-recall and questionnaire method. 242 subjects were collected in 12 cities or Gun districts in Gyeonggi Province, S. Korea. Survey was carried out by regional home extension workers using interview method. Statistical analyses were made using SAS (Version 8.1). Chi-Square Tests and General Linear Models. The subjects of impaired ADL elderly was 26.5% and it composed 30% of the total male and 22.2% of the total female. The demographic status of the impaired ADL elderly showed no difference from that of the normal elders, elementary school educated (73.4%), with spouse (43.8%) or with adult children(37.5%), using monthly living cost of 500-1,000 thousand won(35.9%). Mean age was 74.05 years compared to 72.25 years of normal elders. However, there was no significant difference from the normal and impaired ADL group, regular exercise(60.0%), with walking (90.0%), no-smoke(54.7%) and no-drink(48.4%). Kind of disease was not different from the one in impaired and normal group, with cardiovascular disease(32.3%), with diabetes mellitus(8.1%), joint lumbago neuralgia(32.3%) and osteoporosis(9.7%). Gastrointestinal complaints of the impaired ADL group were nausea(57.8%), chronic indigestion (23.4%), constipation (14,0%) and vomiting(3.7%). Sleeping time required for the impaired was longer than that for the normal group by 10hours(4.7%) or 8-10hours(20.3%), which consisted 1.7% and 16.6% respectively. Nutrient intake of the impaired ADL group was low compared to normal range elders: Energy(1260kca1), Protein(52.75g). There was gender difference in nutrient intake; the male impaired group showed no significant difference from the normal group but it was significantly lower in female impaired group. These results suggest that low quality of life and low economic status of the impaired ADL elderly require congregate meal in village hall to cover the lack of side dishe variety. And nutrition education program including community assistance would be required for the impaired ADL elderly together with the sufficient food and exercise practice. By operating nutrition education program, the impaired ADL elderly would maintain more enhanced quality of life and ameliorate the ADL capability.

• 한국병원경영학회지
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• 제25권2호
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• pp.45-56
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• 2020

Purpose: The purpose of this study is to investigate medical care behaviors influencing accuracy of the payment based New diagnosis-related groups (DRG) compared to fee for service (FFS) in hospitalized patients with medical illness. Methodology: In order to estimate the difference in medical costs between New DRG and FFS depending on medical care behaviors, medical records and hospital claims data (n=4,232) were utilized, which were collected from a single public hospital during the first-half of 2018. Data were analyzed by descriptive statistics, t-test, chi-square test, and multivariate binary logistic regression. Findings: The average difference in medical costs between New DRG and FFS were KRW 506,711±13,945 with incentives and KRW -51,506±12,979 without incentives, respectively. Forty-four point two percent (44.2%, n=1,872) of total subjects were shown to have negative compensation in overall medical costs with New DRG compared to the costs with FFS. Medical care behaviors that affected on the negative compensation were the presence of severe bed sores on admission, medical consultations, death, operations, medications and laboratory or imaging tests with unit price over KRW 100,000, hospital-acquired complications or underlying comorbidities, elderly patients (≧65 years), and hospitalized for more than average inpatient days defined by New DRG (p<0.001). The difference in average medical cost between New DRG and FFS for a group with mild illness was KRW -11,900±10,544, whereas it was KRW -196,800±46,364 for a group with severe illness (p<0.0001). Practical Implications: These findings suggest that New DRG payment model without incentives may incompletely cover the variation of medical costs in real clinical practice. Therefore, policy makers need to consider that the current New DRG reimbursement should be focused and refined to improve accuracy of payment on medical care resources utilized in severe and complex medical conditions.

• 한국전자거래학회지
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• 제22권4호
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• pp.141-158
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• 2017

최근 고객들은 다양한 IT 채널을 이용해 의견을 자유롭게 표현할 수 있게 되었다. 이에 따라 기업은 고객들의 의견 중 특히 부정적인 의견을 효율적으로 관리하기 위해 큰 노력을 기울이고 있다. 기존의 연구들은 주로 고객의 불만 제기 횟수나 상담시간 등의 양적 데이터를 이용하여 고객 이탈 방지에 관해 연구하였으나, 고객이 실제로 언급한 불만 내용을 분석한 연구는 한정적이다. 따라서 본 연구는 고객 불만 데이터를 중심으로 고객 이탈에 영향을 주는 요인들을 알아보기 위해 이탈-항의 이론(Exit-voice theory)을 바탕으로 보안업체의 고객센터로 접수된 46,235명 고객의 268,364건의 상담내용을 양적인 측면뿐이 아니라 질적인 측면에서도 실증 분석하였다. 감성 분석 방법을 활용하여 상담내용의 감성값을 도출하고, 도출된 감성 사전을 이용해 고객의 만족 여부를 명시적으로 알기 어려운 상담내용의 고객 만족도를 예측하였다. 마지막으로 이 감성 값이 고객의 이탈에 미치는 영향을 로지스틱 회귀분석을 통해 분석하였다. 분석 결과 고객이 만족 여부를 명확히 응답하지 않은 경우에도 감성 분석을 이용해 계산된 각 감성값이 고객 이탈에 서로 다른 영향을 준다는 것을 알 수 있었다. 향후 본 연구에서 제시한 감성 분석을 통한 만족도 예측방법으로 고객의 숨은 의도를 효과적으로 파악하여 고객 불만 관리에 실무적으로 활용될 수 있을 것으로 기대한다.

• 지식경영연구
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• 제23권1호
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• pp.89-109
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• 2022

최근 COVID-19, 동학개미운동 등 투자환경의 변화로 시스템 처리 허용 수준을 상회하는 트랜잭션이 발생하고 이로 인해 전산장애가 자본시장에서 빈번하게 나타나고 있다. 자본시장 IT시스템들은 장애 영향도가 매우 큰 시스템들로서, 2020년에 예측하지 못한 큰 규모의 트랜잭션이 상당한 기간 유입되어 전산장애가 급증하였다. 다수의 기업들이 높은 수준의 IT시스템 용량계획 정책을 유지하고 있던 상황임에도 불구하고, 이를 상회하는 트랜잭션이 유입된 것은 용량계획에 대한 새로운 접근 방법이 필요함을 시사하고 있다. 이에 본 연구는 다양한 머신러닝 기법을 활용하여 자본시장 IT시스템 용량계획 모델들을 개발하고 성능을 비교 분석한다. 또한, 동학개미운동과 같이 예측하기 힘든 투자자의 행동을 반영할 수 있는 심리지수를 예측에 활용함으로써 용량계획 모델의 성능을 높인다. COVID-19 기간을 포함한 실증데이터를 이용하여 본 연구에서 개발한 용량계획 모델은 실무에서 활용 가능한 수준의 높은 성능과 안정성을 가질 수 있다. 본 연구는 기업의 비용 효율성과 IT시스템 용량 변경에 수반되는 운영상의 제약을 모두 고려한 최적의 파라미터를 제시하였는데, 이것은 자본시장 도메인에서 유용하게 사용될 수 있다. 또한, 본 연구는 투자자의 심리를 반영하는 심리지수가 IT 시스템 용량계획에 중요한 예측요인이 될 수 있는 것을 입증함으로써, 심리지수가 다양한 수요예측에 적극적으로 활용될 수 있음을 보여준다.

• 경영정보학연구
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• 제17권2호
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• pp.179-192
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• 2015

학술 분야의 연구자들의 협업을 기반으로 한 공동연구가 활발히 진행되고 있다. 이에 따라 공동연구 및 연구자 간 학문적 관계에 대한 관심 또한 증대되고 있다. 공동연구를 통해 연구자들은 연구 생산성 증대, 비용 및 시간의 효율적 사용, 그리고 연구의 위험요소를 감소시켜 연구 성과와 생산성을 극대화하고 있다. 본 연구는 ISR에 2006년부터 2012년까지 투고된 논문의 저자 및 심사자 데이터를 기반으로 연구 생산성 및 심사 효율성 분석을 실시하였다. 투고된 논문 230편을 대상으로 소셜 네트워크 분석 기법인 중심성 분석과 하위그룹 분석을 실시하였고, 상관분석과 회귀분석을 통해 연구의 타당성을 검토하였다. 연구의 결과는 공저자 집단의 연구 생산성이 향상되는 것을 확인하였으며, ISR의 논문 심사자의 효율성도 소셜 네트워크 분석 지표들을 통해 검증할 수 있었다.

• 대한영양사협회학술지
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• 제8권1호
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• pp.1-8
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• 2002

The purpose of this study is to clarify success factors for desirable relationship between buyer and supplier in elementary school. Therefore, the survey questionnaire consisted of general background, past success, success difference, buyer-supplier relationship characteristics(trust, supporting status, communication behavior, conflict resolution techniques, supplier selection process). The subjects were 66 dieticians of elementary school in Inchon. The statistical analysis of data was completed using SPSS program. The results were summarized as follows : Average total cost/day per one person ￦1,156. The number of suppliers per one school were 6. 92.3% of the subjects were in favor of private contract, regarding contract methods of purchasing food materials. For the past success, degree of satisfaction about past their supplier showed 3.49 score. The present success difference was shown higher than the past success. There was significant correlation between the past success and the present success difference. Trust about suppliers showed 3.40score. Supplying companies hardly support for buying school. Among information quality(timely, accurate, adequate, complete, credible), timely and complete showed lower score than the other kind of elements. Among the buyer-supplier relationship characteristic elements, only trust correlated with satisfaction about suppliers significantly. Among the conflict resolution techniques, joint problem solving and persuasive attempts were often made use of by subjects. The supplier selection criteria were shown quality(7.47), supplier's capabilities(6.46), management plan(6.00), price(5.73), scale(5.48), assets(5.27), considers delivery(4.76) and technology(2.39). As results, trust was needed for the desirable relationship between buyers and suppliers. This study has some limitations. The data in this study were collected from only buyer. It is more desired to acquire data from suppliers also.