• Title/Summary/Keyword: Group Decision Making

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The Consumer Acceptance of MP3-playing Clothing and Bio-Signal Sensing Clothing Considered in the Technology Acceptance Model (혁신기술수용모델의 관점에서 고찰한 MP3-playing 의류와 생체신호 센싱 의류의 수용도)

  • Chae, Jin-Mie;Cho, Hyun-Seung;Lee, Joo-Hyeon
    • Science of Emotion and Sensibility
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    • v.12 no.3
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    • pp.289-298
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    • 2009
  • An analysis was carried out for this study to figure out if there exists any differences in the model consumers accept for commercialized MP3-playing clothing and bio-signal sensing clothing. To analyze the differences of the structural variables of the products types, t-test was conducted with SPSS 15.0 package and multi-group analysis with AMOS 5.0 to find out the differences of each path goes with product types in structural equation model. In analytical results of effective sample of 557 copies of questionnaire, consumers' were highly aware of MP3-playing clothing in perceived ease of use, while they were aware relatively high of bio-signal sensing clothing in perceived usefulness, attitudes, consumer acceptance. The perceived value which was input to find out consumers awareness about sale price of commercialized products, was proven to do very important moderating role in forming consumers' attitudes and acceptance intention. Besides, consumers showed a difference in path in accepting model goes with product types. In bio-signal sensing clothing case, 'the perceived usefulness$\rightarrow$attitudes' path which was backed up in MP3-playing clothing was rejected, and 'perceived value$\rightarrow$attitudes' path appeared relatively high with moderating role of perceived value higher than MP3-playing clothing. Considering the results above, as the smart clothing is in the initiative commercialization stage while consumers were in the inquiry stage into awareness or information necessary in the course of purchase decision-making, and so an effective commercialization strategy seems to be necessary.

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New Business Success using Strategic Innovation Strategy: Marine Engine Business and HEMAPT System of the Hyundai Heavy Industries Co. (신규사업성공과 전략적 기술혁신전략: 현대중공업의 엔진사업진출과 HEMAPT시스템 개발)

  • Kim, Wha Young
    • Journal of Service Research and Studies
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    • v.6 no.2
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    • pp.23-35
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    • 2016
  • Firms should seek greater profits and corporate growth through new businesses. New businesses contribute realizing creative economy that creates good jobs, and expanding the company by securing new markets and creating new profits and growth. However, new business is risky management decision-making to have a high failure rate because it involves the adaptation of new business environment and the burden of new investments, including the uncertainty of success in business. Therefore, innovation strategies play important roles for the new business entry, using product innovation, process innovation, business model innovation, disruptive innovation, and strategic innovation, etc. and company will get huge economic results by pushing them into successful business. It is essential that innovation strategy and IT development strategy along with business strategy of a firm are linked, and their strategic alignment is considered to be a critical success factor for new business success. Hyundai Heavy Industries(HHI) pursued marine engine business for the development of precision machinery industry and shipbuilding industry of Korea, and the company recognized the importance of new business strategy, innovation strategy, and IT strategy inter-linked, and pushed strategic alignment boldly. As a result, HHI won the competition in European and Japanese engine manufacturers and climbed into the world's largest engine manufacturer. This study suggests investigating and analyzing a case that HHI succeeded in marine engine business expansion using strategic innovation strategy as a way of the introduction of CNC machine tools and the development of HEMAPT system.

A Study on Introduction of IoT Infrastructure based on BSC and AHP: Focusing on Electronic Shelf Label (BSC와 AHP를 활용한 IoT 인프라 도입 의사결정에 관한 연구: 전자가격라벨(ESL)을 중심으로)

  • Yang, Jae Yong;Lee, Sang Ryul
    • The Journal of Society for e-Business Studies
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    • v.22 no.3
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    • pp.57-74
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    • 2017
  • The Electronic Shelf Label (ESL) is an alternative to the paper price label attached to merchandise shelves and is attracting attention as a retail IoT infrastructure that will lead the innovation of offline retail outlets. In general, when introducing a substitute product, the company tends to consider the financial factors such as the efficiency of the investment cost compared to the existing product or the reduction of the operating cost. However, considering only financial factors in the decision-making process, it may not properly reflect the various values associated with corporate strategy and the requirements of stakeholders. In this study, 8 evaluation items (Investment Cost, Operating Cost, Quality Level, Customer Management, Job Efficiency, Maintenance, Functional Expandability, and Store Image) based on BSC's 4 perspectives (Financial, Customer, Internal Business Process, Learning & Growth), and using AHP (Analytic Hierarchy Process) to measure the priorities of evaluation items for domestic small supermarket employees. As a result of the research, priority was given in order of Customer, Learning & Growth, Internal Business Process, and Financial aspects among the evaluation items for adopting the price label, and the electronic price label was supported with higher importance than the paper price label. In contrast to the priorities of the financial aspects of most prior studies, the items of Learning & growth and customer perspectives have relatively high priorities. In particular, respondents classified by job group, The priorities of the 8 evaluation items were different among the groups. These results are expected to provide implications for both companies (retail outlets) and ESL providers (manufacturers and service providers) who are considering the introduction of ESL.

The Effect of the Health Belief and Efficacy Expectation Promoting Program on Osteoporosis Preventive Health Behavior in Women with Rheumatoid Arthritis (건강신념 및 효능기대증진 프로그램이 류마티스 관절염환자의 골다공증 예방행위에 미치는 영향)

  • Lee, Eun-Nam
    • Journal of muscle and joint health
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    • v.5 no.2
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    • pp.174-190
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    • 1998
  • Osteoporosis has been known as a common complication of rheumatoid arthritis and a major preventable health problem. Lots of studios have demonstrated that changes in life style can help delay or prevent osteoporosis. Therefore nursing intervention related osteoporosis prevention have consisted of education programs aimed at changing dietary and exercise habit. However knowledge gained from education haven't always leaded to behavior change. Therefore it is important to consider other psychological variables in effecting behavior change. Numerous research have found self efficacy and health belief to be an important factor in individual decision making behavior. The purpose of the study was to develop health belief and efficacy expectation promoting program based on Health Belief Model & Self Efficacy Model and to investigate its effects in women with rheumatoid arthritis. For this purpose, one group pretest-post design was used. The subject of the study were 16 women with rheumatoid arthritis in Pusan city and data collection was carried out from April, 1997 to May, 1998. The intervention program was consisted of educating on osteoporosis and enhancing and reinforcing self efficacy by verbal persuasion during the period of 4 weeks. The instruments were used to collect data in this study were Osteoporosis Health Belief Scale, Osteoporosis Self Efficacy Scale, and Osteoporosis Preventive Behavior Scale. Data was analyzed by Wilcoxon signed rank test using SPSS $PC^+$ program. The results are as follows : 1) The behavior should be increased after intervention was supported(Z=-3.5162, p=.0004, diet : Z=-3.2942, p=.0010, exercise). 2) The sub-hypothesis that perceived sensitivity should be increased after intervention was supported (Z=-2.3854, p=.0171). 3) The sub-hypothesis that perceived severity should be increased after intervention was rejected(Z=-1.4327, p=.1520). 4) The sub-hypothesis that perceived benefit should be increased after intervention was supported(Z=-2.6410, p=.0083). 5) The sub-hypothesis that perceived barrier should be decreased after intervention was supported (Z=-2.4138, p=.0158). 6) The sub-hypothesis that efficacy expectation should be increased after intervention was supported(Z=-3.5162, p=.0004). As a conclusion, it was found that health belief and self efficacy promoting program was an effective nursing intervention for preventing osteoporosis of rheumatoid arthritis.

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Korea's Designation of Living Happiness Sphere in the Local Area from the Perspective of New Institutionalism (지역행복생활권 획정에 대한 신제도주의적 접근)

  • Oh, Seong-Ik
    • Journal of the Economic Geographical Society of Korea
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    • v.18 no.3
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    • pp.366-380
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    • 2015
  • Park Geun-hye Administration has been leading HOPE Area(Living Happiness Sphere) policy as a part of strategy for the regional development. Recent study on HOPE Area policy mainly focuses on how to enhance cooperation among local governments or how to activate the HOPE area. However, as far as I found, the research on how HOPE area guideline as an institution is made and how HOPE area, the effect of the institution, is demarcated has not well been conducted. With based on these issues, this article aims to identify and examine the process of the HOPE area guideline-making and the designation of the HOPE area. For this purpose, new institutionalism is utilized for the analysis. The guideline was made through competition and compromise among a few parties concerned rather than a decision by unitary elite group, and the final outcome of the process reflected the balanced development strategy more than the growth pole development strategy. There was a tendency that the local governments try to make many HOPE areas by overlapping the HOPE areas, which are the outcomes of the bottom-up approach. In Seoul metropolitan area, a new type of HOPE area was introduced one year later than the other local regions.

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Characteristics of Pre-Service Secondary Mathematics Teachers' Anticipating Through the Task Dialogue Activity (과제대화록 작성하기를 통한 중등수학 예비교사의 예상하기 특징 분석)

  • Kim, Ji Soo;Lee, Soo Jin
    • Journal of Educational Research in Mathematics
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    • v.27 no.3
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    • pp.511-536
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    • 2017
  • The present study aims to investigate ways in which pre-service secondary mathematics teachers anticipate 1) students' responses to specific mathematical tasks which are chosen or devised by the participating pre-service teachers as requiring students' higher cognitive demand and, 2) their roles as math teachers to scaffold students' mathematical thinking. To achieve the goal, we had our pre-service teachers to engage in an adapted version of Spangler & Hallman-Thrasher(2014)'s Task Dialogue writing activity whose focus was to develop pre-service elementary teachers' ability to orchestrate mathematical discussion. 14 pre-service teachers who were junior at the time enrolled in the Mathematics Teaching Method Course were subjects of the current study. In-depth analysis of both Task Dialogues which pre-service secondary mathematics teachers wrote and audiotapes of the group discussions while they wrote the dialogues suggests the following results: First, the pre-service secondary teachers anticipated how students would approach a task based on their own teaching experiences. Second, they were challenged not only to anticipate more than one correct students' responses but to generate questions for the predicted correct-responses to bring forth students' divergent thinking. Finally, although they were aware that students' knowledge should be the crucial element guiding their decision-making process in teaching, they tended to lower the cognitive demands of tasks by providing students with too much guidance which brought forth the use of procedural knowledge. The study contributes to the field as it provides insights as to what to attend in designing teacher education course whose goal is to provide a foundation for developing pre-service teachers' ability to effectively orchestrate mathematical discussion.

Optimal Fixation and Decalcification Methods for Bone Marrow Biopsy (골수생검조직을 위한 최적의 고정 및 탈회 방법)

  • Choi, Myung-Sub;Lee, Hyunsup;Kwon, Hyuk-Chul;Bae, Moon-Hwan;Ko, Young-Hye;Kim, Hee-Jin;Lee, Beom-Se;Koo, Bon-Kyung
    • Korean Journal of Clinical Laboratory Science
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    • v.47 no.4
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    • pp.243-250
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    • 2015
  • A bone marrow biopsy that has undergone decalcification with 10% nitric acid could not be used for various pathological tests and had extremely limited reproducibility. The fixing solution of each experimental group was differentiated in usage, one solution including acid and the other not. The use of the decalcification solution was separated into either acidic or alkaline (EDTA), and further experiments were conducted with differing time phases. When using a fixing solution and decalcification solution which included acid, the specimens were faulty to the extent that all pathological tests were impossible. However specimens that were processed with an EDTA type decalcification solution did not display a non-specific reaction in EBV ISH and were even able to produce results that were at a level suited to various studies or a pathological diagnosis in the FISH, DNA, RNA tests. By improving the fixing and decalcification of bone marrow biopsy, the study was able to make possible ISH, FISH, DNA tests as well as RNA study, and secured the sensitivity, specificity, and reproducibility of various test methods. The stabilization of various test methods that use bone marrow biopsy contributes to the diagnosis, prognosis, prediction, treatment of the patient and provide guidelines for decision-making.

Development of Collision Scenario-Based Evaluation System for the Cognitive Performance of Marine Officers (충돌시나리오 기반의 항해사 인지능력 평가시스템 개발)

  • Kim, Hong-Tae;Barentt, Mike;Yang, Won-Jae
    • Journal of Navigation and Port Research
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    • v.31 no.8
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    • pp.629-635
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    • 2007
  • Reduced crew performance is frequently cited as a major causal factor in maritime accident causation. Although considerable research has been conducted on the hours of work undertaken by seafarers through interviews and the analysis of records, experimental studies to observe the effects of factors such as high workload, shift patterns, stress, sleep deprivation and disturbance on the cognitive performance of mariners have been limited. Other safety-critical transport industries, such as aviation and rail, have developed fatigue management tools to help manage the work patterns of their operators. Such a tool for mariners would assist shipboard crew, marine pilots and shore management in planning and improving work schedules. The overall aim of this paper is to determine a fatigue factor, which can be applied to human performance data, as part of a software program that calculates total cognitive performance. This program enables us to establish the levels of cognitive performance of a group of marine pilots to test a decision-making task based on radar information. This paper addresses one of the factors that may contribute to the determination of various fatigue factors: the effect of different work patterns on the cognitive performance of a marine pilot.

Debridement or Tuberoplasty for Massive Rotator Cuff Tear (광범위 회전근 개 파열에 대한 변연절제술 및 결절성형술)

  • Cho, Nam-Su;Oh, Hyun-Sup;Rhee, Yong-Girl
    • Clinics in Shoulder and Elbow
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    • v.13 no.1
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    • pp.146-152
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    • 2010
  • Purpose: The purpose of this article was to review the effectiveness of arthroscopic debridement and tuberoplasty, and to evaluate the clinical and radiologic results of our series for irreparable massive rotator cuff tears in the elderly. Materials and Methods: We reviewed articles that focused on the treatment options and decision making for irreparable massive rotator cuff tears. In particular, we summarized the reported results of arthroscopic debridement and tuberoplasty for irreparable massive rotator cuff tears in the elderly. Among consecutive patients who had arthroscopic tuberoplasty for irreparable massive rotator cuff tears in our series, thirty-two patients available for clinical and radiological evaluation at a mean follow-up of 29 months (range, 13-52 months) were enrolled and reviewed for the analysis. Results: At the last follow-up, the range of active forward flexion increased significantly with excellent pain relief and improvement in the ability to perform the activities of daily living. However, the group with less than 2 mm in preoperative acromiohumeral distance showed inferior postoperative results. Conclusion: Arthroscopic tuberoplasty may be an alternative option in irreparable massive rotator cuff tears for pain relief and improvement of range of motion. However, good results can not be expected if the acromiohumeral distance is less than 2 mm preoperatively and decreases postoperatively, or when the preoperative range of motion is less than $90^{\circ}$ on flexion and abduction.

A Study on the Reorganization of the National Spatial Information System (국가공간정보시스템 개편 추진 방향 연구)

  • Kim, Jeong Hyun;Kim, Soon Han;Kim, Sun Kyu;Kim, Sang Min;Jung, Jae Hoon;Heo, Joon
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.33 no.5
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    • pp.373-383
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    • 2015
  • Spatial information has been widely used for efficient land use and management, disaster management, environment management, infrastructure management, corporate marketing, and cultural assets management, and the need for spatial information is expected to be increased. For this reason, central government, local government and public institutions must establish a National Spatial Information System (Fifteen systems related to spatial information managed by National Spatial Data Infrastructure Policy office, NSIS) framework that guarantees high accuracy and quality. The NSIS will provide convenience usage of spatial information in the field of decision-making or civil support. However the current National Spatial Information System is mainly established with separate processes, which causes data redundancy, deterioration of information, passive opening, and sharing of the spatial data. This study suggests 4 standards, which has been derived by applying value-chain model to NSIS data flow, and they are ‘Production and Establishment’, ‘Integration and Sharing’, ‘Application and Fusion’ and ‘Release and Opening’. Based on these standards, the 15 NSIS were analyzed to draw out implications and reforming directions were suggested. By following these suggestions we expect more recent, consist, accurate, and connected National Spatial Information Service which will be more open to public and then satisfy the demands.