• 한국운동역학회지
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• 제17권2호
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• pp.157-166
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• 2007

This study was to compare the major kinematic factors between the success and failure group on performing the back somersault motion in floor exercise. Three gymnasts(height : $167.3{\pm}2.88cm$, age : $22.0{\pm}1.0years$, body weight : $64.4{\pm}2.3kg$) were participated in this study. The kinematic data was recorded at 60Hz with four digital video camera. Two successful motions and failure motions for each subject were selected for three dimensional analysis. 1. Success Trail It was appear that success trail was larger than failure group in projection velocity, but success trail was smaller than failure trail in projection angle. Also it was appear that success trail was longer than failure group in the time required. Hand segment velocity and maximum velocity in success trail were larger than those in failure trail, and this result was increasing the projection velocity and finally increasing the vertical height of center of mass. At the take-off(event 2), flection amount of hip and knee joint angle was contributed to the optimal condition for the take-off and at the peak point, hip and knee joint angle was maximum flexed for reducing the moment of inertia. Also in this point, upper extremities of success trail extended more than those of failure trail. in this base, success trail in upward phase(p3) 2. Failure Trail It was appear that failure trail was smaller than success trail in projection velocity, but failure trail was larger than success trail in projection angle. Also it was appear that failure trail was more short than success trail in the time required. Hand segment velocity and maximum velocity in failure trail were smaller than those in success trail, and this result was reducing the projection velocity and finally reducing the vertical high of center of mass. At the take-off(event 2), flection amount of hip and knee joint angle wasn't contributed to the optimal condition for the take-off and at the peak point, hip and knee joint angle wasn't maximum flexed for reducing the moment of inertia. Also in this point, upper extremities of failure trail didn't extended more than those of success trail.

• Journal of Construction Engineering and Project Management
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• 제7권4호
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• pp.1-12
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• 2017

India has accorded a high priority to road infrastructure development through Public-Private Partnership (PPP) and it has set a high target for investment inflows. Yet, it is widely held that road/highway infrastructure has not been developing at required pace and that the road infrastructure projects under PPP have been suffering from several hurdles and delays, thereby affecting project success/failure. This paper is an attempt to analyze the critical success/failure factors of road infrastructure projects under PPP in India. A questionnaire survey was conducted among a sample of the stakeholders of road infrastructure projects to identify the critical success/failure factors during all four major project stages using different approaches. Initially, the critical factors were identified through ranking based on the average/mean score. Later, the conventional RII score was used to identify the critical success/failure factors. Finally, the critical success/failure factors were also identified based on the stakeholder-wise ranking of the factors and their convergence. The assessment revealed that there was a greater convergence across the different methods and also that there was greater consensus among project stakeholder on the critical success/failure factors of road PPP projects.

• 한국운동역학회지
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• 제12권2호
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• pp.259-278
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• 2002

본 연구에서는 볼 구질의 변화에 따른 스윙 동작의 운동학적인 변인을 3차원적으로 비교 분석하여 스윙 동작의 운동역학적인 원리를 제시하며, 볼 구질이 다른 스윙 동작의 차이점을 밝히는 데 목적이 있으며, 프로골퍼로 경력 3년 이상의 남자 선수 7명을 대상으로 스트레이트 성공, 페이드 성공과 실패로 구분하여 골프 스윙의 운동학적 변인들을 과학적으로 제시하기 위해 비교 분석한 결과 다음과 같은 결론을 얻었다. 페이드 성공시에는 임팩트를 지나서도 계속 손목의 각도가 근소한 차이로 줄어드는 것으로 나타났고 실패시에는 각 프레임의 각도가 규칙적으로 변하지 않게 나타났다. 이는 스트레이트 성공과 페이드 성공에 대한 손목각도의 차이가 영향을 미치는 것으로 나타나 다른 요인과 손목각도와의 관계를 분석하는 것이 필요하다고 하겠다. 페이드 실패의 경우는 임팩트시의 몸통 비틀림각도가 성공때 보다 작아지면서 클럽헤드가 오픈되지 못한 것으로 나타났다. 골프스윙의 형태의 변화로 인하여 어깨관절의 회전력을 더 많이 사용하여 파워을 증진시키기 위한 동작이며, 골프 스윙에서 어깨회전 운동은 축을 중심으로 회전하기 때문에 어깨회전각도의 차이는 없는 것으로 나타났다. 스트레이트 성공시 보다 페이드 성공시에 고관절의 회전각도가 점진적으로 일정하게 각이 커졌다. 이는 고관절의 회전을 더 크게 하여 지연히팅을 보다 자연스럽게 한 것으로 나타났다. 페이드 볼 구사시 임팩트 존에서 클럽의 페이스가 닫히는 것과 팔의 자연스러운 롤링 동작을 억제시키는 것으로 나타났다. 본 연구에서는 구질 변화에 따른 골프 스윙 동작을 스트레이트 성공, 페이드 성공과 실패시로 구분하여 운동학적 변인들을 3차원 동작 분석을 통하여 경기력 향사에 도움이 되고자 하였으며 앞으로 많은 연구자들이 각 종목에 있어서 경기력 향상을 위한 역학적인 분석이 계속 진행되어져야 할 것이다.

• Asian Journal of Innovation and Policy
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• 제3권1호
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• pp.25-49
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• 2014

We wanted to show the different group dynamics of factors for success and failure cases for technology commercialization in small technology-based firms. Existing studies are based on product level, project level, division level or firm level. We deal with technology level, and at small-technology-based firms. This is a longitudinal case study based on 8 cases from Korea. Our study on technology level is a first trial in success and failure studies unlike all existing studies. As a first step, we introduced new categories and factors such as technology attributes and CEO reflecting data, and especially a new concept of launch readiness level. Finally, we adopted correspondence analysis to show the group dynamics. The results are as follows; Technology factors are the most important factors. Second, resource-based factors are more critical in failure cases than success cases and technology factors are more critical to success.

• 한국보육지원학회지
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• 제12권3호
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• pp.21-39
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• 2016

The purpose of this study was to examine the relationship between parental attribution and self-perception in parenting roles according to parenting success or failure situations. A total of 138 mothers who have toddlers in Seoul and other big cities in Korea completed questionnaires, and data were analyzed by paired t-test, Pearson's correlation coefficient, Fisher's Z score, and multi-regression. The results are as follows: First, mothers in parenting success situations showed higher parental attribution than mothers in parenting failure situations. Second, correlations between parental attribution and self-perception in parenting roles turned out to be significantly different between parenting success situations and failure situations. Third, both internal attribution such as ability and effort, and external attribution such as child behavior and task difficulty, significantly predicted self-perception in parenting roles including equilibrium feeling, competence, satisfaction and parenting investment, especially in parenting failure situations. The implications of the difference in parental attribution between parenting success and failure situations have been discussed.

• Asia pacific journal of information systems
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• 제11권2호
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• pp.205-221
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• 2001

The previous BPR success factor research assumes that a success factor is responsible for both the success and failure of the BPR implementation. This paper proposes that a BPR success factor is not necessarily a failure factor, i.e., success and failure of BPR implementation are two distinct phenomena that possess different sets of causal factors. The paper also proposes that the factors are different in terms of the degree and type of influence they exert on the BPR implementation. An empirical research was conducted to validate the propositions. The research results indicate that the BPR success and failure have different causal factor sets, and that the factor influence manifests in different realms and domains. The implications of the research are discussed at the end.

• 한국심리학회지 : 문화 및 사회문제
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• 제14권1호
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• pp.101-123
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• 2008

본 연구는 남녀 대학생을 대상으로, 어머니와 연합된 성공/실패에 대한 표상을 알아보기 위해 시도되었다. 이를 위해 연구 1에서는 어머니/바구니와 성공/실패를 이중점화자극으로 100ms 동안 제시하고 난 뒤, 150ms 후(SOA 250ms)에 수용/거부와 관련된 목표자극(probe)을 제시하고 어의판단에 걸리는 시간을 측정하였다. 그 결과, 어머니조건의 반응이 통제조건보다 빨랐으며, 수용에 대한 반응이 거부 반응보다 빨랐고, 여자집단의 반응이 남자보다 빨랐다. 연구 2에서는 남녀별로 애착 고집단과 저집단을 나누어, 어머니와 성공/실패를 이중점화시킨 뒤 수용/거부에 대한 어의판단 시간을 측정하였다. 그 결과, 성공/실패와 수용/거부 간에 상호작용이 나타나, 성공-수용에 대한 반응은 가장 빨랐고, 실패-수용, 실패-거부, 성공-거부의 순으로 반응이 느려졌다. 한편 남자집단에서는 애착고저 집단 간에 유의미한 차이가 없고 상호작용도 나타나지 않았지만, 여자집단에서는 3원 상호작용이 나타났다. 즉 여자 애착 고집단에서는 성공-수용, 성공-거부에 대한 반응차이가 크지 않았고, 실패-거부에 대한 반응이 매우 느렸으나, 여자 애착 저집단에서는 성공-수용은 매우 빠른데 비해 성공-거부는 매우 느렸다. 이러한 결과는 자기 긍정성 및 성별, 애착유형에 따라 다른 성공/실패 도식과 관련하여 논의되었다.

• 대한수학회지
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• 제61권4호
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• pp.693-711
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• 2024

A Markov-modulated Bernoulli process is a generalization of a Bernoulli process in which the success probability evolves over time according to a Markov chain. It has been widely applied in various disciplines for modeling and analysis of systems in random environments. This paper focuses on providing analytical characterizations of the Markovmodulated Bernoulli process by introducing key metrics, including success period, failure period, and cycle. We derive expressions for the distributions and the moments of these metrics in terms of the model parameters.

• 한국인터넷방송통신학회논문지
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• 제12권2호
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• pp.233-241
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• 2012

프로젝트 관리의 목표는 프로젝트를 성공하기 위함이다. 그러나 프로젝트 수행 결과가 성공이라고 명확히 판단할 수 있는가? 또한 판단 결과에 고객과 개발자 모두 동의하는가? 성공과 실패에 대한 정의와 판단 척도들에 대해 다양하게 제시되고 있으나 명확한 분류 기준이 없다. 본 논문은 개발 성공을 결정하기 위한 판단척도들을 살펴보고, 프로젝트의 성공과 실패에 대해 재정의한다. 이러한 정의에 의해 프로젝트 수행 결과를 판단하는 척도와 기준을 제시한다. 제시된 판단 척도와 기준을 적용할 경우, 성공과 실패를 분류하는데 고객과 개발자간의 불협화음을 줄일 수 있을 것이다.

• Journal of Ecology and Environment
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• 제38권4호
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• pp.415-424
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• 2015

This research was conducted to reveal the characteristics of breeding ecology of oriental scops owl (Otus sunia stictonotus) inhabiting in South Korea according to the nest types during the breeding season from march to October for two years (2011 and 2012). Oriental scops owl nested in woodpecker's nest holes (46.1%), natural tree holes (38.5%), and artificial wood boxes (15.4%). These nests were located on following trees: Zelkova serrata, Paulownia coreana, Celtis sinensis, Salix chaenomeloides, Salix babylonica, Fraxinus rhynchophylla, Robinia pseudoacacia and Platanus occidentalis. The hatching success was 91.4%, fledging success was 83.0%, and breeding success was 75.9%. The factors of the breeding failure were falling (57.1%), abandonment (28.6%), hatching failure (7.1%), and others with unknown cause of death (7.1%). According to nest types, the fledging success (69.2%) of woodpecker's nest holes were low and the hatching success (79.2%) of natural tree holes were also low due to hatching failure and abandonment. However, hatching success, fledging success, breeding success were high in the artificial nests as all the eggs hatched and succeeded in fledging. Therefore, we suggested that artificial nests can cover the weaknesses of natural nests as well as increasing the breeding success. However, long-term research on installation place, height, and hole sizes of the artificial nest are required in order to clearly reveal the effects on the breeding success of oriental scops owl.