• Title/Summary/Keyword: Qualitative and Quantitative

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Qualitative approach for business process analysis (비즈니스 프로세스의 정성적 분석 방안)

  • 홍대근;서의호;유기동
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 2003.11a
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    • pp.233-236
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    • 2003
  • Redesign of business processes still attracts a lot of interest. There have been a variety of quantitative approaches to analyze of business process. However, to examine and determine the quality-focused characteristics of the business process, a qualitative approach should be deployed. This paper introduces a qualitative approach process analysis, especially adopted the concept of the emotional engineering which is used in the area of the product design. To analyze the qualitative aspect of the business process, the emotional adjectives for the business process are used. The proposed methodology enables to determine which of business process is better or not in a more intuitive way.

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Hybrid Qualitative Reasoning Approach to Predicting the Expected Performance of the Intellectual Property Rights Management System- KIPONet Case (전자정부 홍보를 위한 ARP(Academic Research Paper) 사례(특허, 조달) 소개)

  • Lee, Kun-Chang
    • 한국IT서비스학회:학술대회논문집
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    • 2007.11a
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    • pp.145-156
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    • 2007
  • In the previous e-government studies, there was no study in which the ambitious problem of assessing the expected performance of an e-government software when it is adopted in other country. This study was motivated to propose a new method to resolve this research question. With using the KIPONet (Korean Intellectual Property Office Net) as a target e-government software, which has been successfully implemented and operated by the Republic of Korea government since Jan 1999 for the purpose of managing the intellectual property rights (IPRs), we propose a Hybrid Qualitative Reasoning (HQR) approach to predicting the expected performance of the KIPONet. The main recipes of the HQR are that the HQR considers causal relationships existing among both qualitative and quantitative variables of the KIPONet, and that uncertainties embedded in some variables are handled by using Monte Carlo mechanism. The application of the proposed HQR to predicting the expected performance of the KIPONet results in statistically significant outcomes with 95% confidence level.

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A Study on Design Decision of Qualitative Design Factors in Selecting of HVAC Type for Building (건축물의 공조방식 선택과정에 있어서 질적 설계요소들의 디자인 결정방법에 관한 연구)

  • 우세진
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.16 no.8
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    • pp.762-769
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    • 2004
  • Not only in building design but also in HVAC system design, it is important to ensure an objectivity in schematic design. In the study, the author suggested a method to make a logical decision for quality design factors a(footing the selection of HVAC type in initial design process, and to provide objective design values. Fuzzy theory, one of the theories describing in quantitative way the ambiguous-natured linguistic values, was used to determine the qualitative design factors of linguistic parameter nature. It was found that it has a potential as a method to determine a HVAC type satisfying the required values of qualitative design factors involved in selection of the system type. But this needs further studies to be settled in the selecting of HVAC type.

Risk Assessment of Petrochemical Equipments Using Enhanced RBI Technique (개선된 RBI 기법을 이용한 석유화학설비의 위험도평가)

  • Lee Sang-Min;Song Ki-Hun;Chang Yoon-Suk;Choi Jae-Boong;Kim Young-Jin;Han Sang-In;Choi Song-Chun
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.29 no.10 s.241
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    • pp.1392-1398
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    • 2005
  • API 581 guideline provides a methodology for calculating the risks of equipments in refinery or petrochemical plant. However, especially in part of the consequence of failure, there is a major limitation of its application to the petrochemical plant directly since only a representative material is considered in calculating the risk while the equipment is composed of numerous materials. The objectives of this paper are to propose an enhanced risk-based inspection (RBI) technique to resolve shortcomings inclusive of the above issue and to assess the risks of typical petrochemical equipments. In this respect, a program incorporating material database was developed to fully incorporate the characteristics of different materials. The proposed RBI program consists of qualitative, semi-quantitative and quantitative risk evaluation modules in which toxic materials as well as representative materials were selected automatically for comparison to those in the current guideline. It has been applied to assess the risks of equipments in ethylene facilities of petrochemical plants. Thereby, more realistic evaluation results were obtained and applicability of the proposed RBI program was proven.

The Process and Method to Set a Mountainous Scenic Site's Designated Area

  • Han, Gab Soo;Kim, Soonki;Ham, Kwang Min
    • Journal of Forest and Environmental Science
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    • v.36 no.1
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    • pp.47-54
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    • 2020
  • A "Scenic Site" is an official heritage category legally defined as a "scenic site of outstanding artistic value with excellent scenic views." However, the subjective interpretation of the term causes several problems. This study suggested a systematic, organized process of designating a listed area as a scenic site after careful and detailed quantitative and qualitative analysis. Indicators were identified for each of the two analyses, and then scored and weighted. Quantitative indicators were distributed within 5 points for each indicator. Water, which is a natural indicator, based on distance from river boundaries. Forest landscapes were assigned in consideration of forest physiognomy and age class. Land use was allocated in consideration of land cover type and, in case of development site, '-' score was assigned. Cultural heritage conservation area, which is historical and cultural indicator, was distributed by distance within a maximum of 500 meters. Visibility, an indicator of landscape value, was assigned according to the frequency of visibility. The weight of each indicator was calculated by considering the value of each item. The weight of distribution of cultural resources is relatively high, while other items were set the same. In case of land use, however, '-' score was given according to the grade. Qualitative indicators, on the other hand, were considered terrain, landscape zone, ownership, intellectual boundary, and land category. The applicability of the proposed process and method was examined by applying the existing methods and criteria used for designating scenic spots. Opinions of subject-matter experts were incorporated in the identification of the indicators and in the result review stage. In the future, it is necessary to apply this method while designating scenic sites so as to establish an objective, scientific designation process.

Comparative Wood Anatomy of Stem and Root in Korean-grown Yellow-poplar (Liriodendron tulipipfera L.)

  • Lee, Mi-Rim;Eom, Young-Geun
    • Journal of the Korean Wood Science and Technology
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    • v.39 no.5
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    • pp.406-419
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    • 2011
  • This study was carried out to offer basic information on the wood anatomy of domestic yellow-poplar (Liriodendron tulipifera L.), a new plantation species selected by Korea Forest Service as one of the promising hardwood and bioenergy sources of the future, through comparison of stem wood with root wood in the qualitative and quantitative features. In the qualitative anatomical features, growth rings were distinct in stem wood but relatively less distinct in root wood. And stem wood appeared to have pores in radial multiples of 2 to 5, sometimes clusters but root wood to have pores in radial multiples of 2 to 3, rarely clusters. And numbers of bars in scalariform perforation plates were somewhat numerous in vessel elements of root wood than in those of stem wood. Interestingly, on the other hand, more extraneous materials in the wood rays of tap root than in those of lateral root and stem were confirmed in the chemical composition analyses. In the quantitative anatomical features, pore densities were significantly greater but vessel elements were considerably narrower in stem wood than in root wood. Vessel elements and wood fibers of root wood were considerably longer than those of stem wood. Rays were somewhat more numerous in stem wood than in root wood, and only ray heights of stem wood were more or less greater in cell numbers but both ray heights and widths of stem wood were lower in dimension than those of root wood. The anatomical differences between stem wood and root wood were thought to be associated with different growth environments between the stem above ground and the root below ground.

Nursing Students' Clinical Judgment and Performance in Simulation of Recognizing and Responding of the Deterioriating Patient ; a retrospective mixed-methods (악화환자 인지 및 대응을 위한 시뮬레이션교육에서 간호대학생의 임상판단력과 간호수행: 후향적 혼합연구)

  • Ha, Yi Kyung
    • Journal of Korean Critical Care Nursing
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    • v.16 no.2
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    • pp.42-53
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    • 2023
  • Purpose : This retrospective mixed-methods study aimed to explore key considerations for designing effective simulated education in nursing, focusing specifically on the recognition and response to deteriorating patients. Methods : Quantitative and qualitative data were analyzed to assess the clinical judgment and performance of the nursing students. Descriptive statistics were used to analyze quantitative data related to prior knowledge, simulation satisfaction, clinical judgment, and nursing performance during deteriorating patient simulations. Qualitative content analysis was conducted for the reflective journal entries of the participants. Results : Quantitative analysis showed that most participants demonstrated a "being skillful" level of clinical judgment (33.1%) in effective response. At the beginner level, clinical judgment varied across effective noticing(39.7-82.8%), effective interpretating(77.6-82.8%), effective responding(3.4-86.2%), and effective reflecting(90.0-95.4%). Nursing performance in assessing patient respiration or SpO2 after request from a physician ranged from 46.6-48.3%. Qualitative analysis indicated that 48.5% of the participants anticipated a deteriorating condition and initiated appropriate actions, while 70% noticed patient unresponsiveness for the first time. Conclusion : To design an effective simulation program for identifying and addressing deteriorating patient care, a framework for observation and interpretation is essential, along with regular simulated training. It is important to design and assess simulation programs and to conduct thorough interviews with nursing students to gain insight into their clinical decision-making.

A Study on Software Dev. Project Management System Acquisition and Implementing on project site (SW개발 프로젝트 관리시스템 도입 및 적용사례에 대한 연구)

  • Jeon, Hyeong-Kweon;Park, Koo-Rack;Jung, Jin-Young
    • Journal of the Korea Society of Computer and Information
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    • v.20 no.5
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    • pp.91-98
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    • 2015
  • In this paper, we introduce PMS's main function and main effect which implemented medium and large scale software development project site, and we propose importance and improvement nacessity of PMS implementation. PMS's main functions are developed based on best practices which CMMI model and PMBOK. Also, each PMS has specialized unique function according to it's target industry area or related I.T solutions which has infra dependency. The effectiveness of PMS implementation on project site is seperated two types, one is qualitative effect, the other quantitative effect. Representative qualitative effects are improvement of enterprise's image and competency. Also representative quantitative effect is reduction of project management cost as a financial effect. As far as project size is increase, PMS's needs and necessariness will be increase, so we need to improve PMS;s function according to project management's global trend and software customer's requisition.

Security-equipment building cause based on 「grounded theory」 approaches (융합보안 설비구축 원인에 대한 근거이론적 접근)

  • Lim, Heon-Wook
    • Convergence Security Journal
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    • v.16 no.7
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    • pp.69-75
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    • 2016
  • The government is to prevent technology leakage in 2007, the Industrial Technology Protection Act was enacted and encouraging deployment of security equipment. in this study, corporate security equipment for the tried to determine the cause. In contrast to quantitative research, which is an existing research method, Barney G. Glaser & Anselm L. Strauss used a grounded theory as a kind of qualitative methodology in social science. As a result, it was found that the higher the government subsidy, the request from the representative or the client, the higher the efficiency through the prevention of technology leakage, the higher the sales increase, In the United States.