시각장애학교 저시력 학생의 보행 실태 및 훈련 요구

박만석,이해균 한국특수교육학회 2016 한국특수교육학회 학술대회 Vol.2016 No.-

불황기의 마케팅 전략

박만석 전남대학교기업경영연구소 1992 經營情報 Vol.3 No.2

지난 20여년간 거대 생산능력의 구축과 저가 제품의 공급에 중점을 두고 생산경쟁을 했던 우리 기업들은 이제 시장여건에 적합한 제품의 공급에 중점을 두고 마케팅 경쟁에 직면하고 있으며, 기업에 종사하는 모든 사람들은 마케팅 의식을 갖고 환경에 적응하고 이를 극복하고자 노력하고 있다.

풍선 혈관성형술을 시행한 증후성 중대뇌동맥협착 환자들의 임상적 경과

박만석,이승한,최성민,윤웅,김명규,조기현,김재규,김병채 대한신경과학회 2005 대한신경과학회지 Vol.23 No.6

Background: The conventional management of the symptomatic stenosis of intracranial artery is the administration of antithrombotic agents while controlling the vascular risk factors. Despite medical therapy, the stroke risk for patients with intracranial artery stenosis remains high. Recently, balloon angioplasty with or without stent placement has emerged as a potential therapeutic option. This study was aimed to assess the efficacy, safety and clinical outcome of balloon angioplasty without stent placement for patients with symptomatic middle cerebral artery (MCA) stenosis. Methods: Between February 1996 and December 2004, 41 cases (40 consecutive patients) with symptomatic MCA stenosis greater than 50% were treated with balloon angioplasty. Patient records were retrospectively reviewed for angiographic findings, periprocedural complications, and long-term outcome. Results: Mean stenosis rate (75.4%) was significantly reduced after the procedure (26.6%). The procedure revealed that 4 of the 41 (9.7%) patients developed major related complications (one death and 3 minor strokes). Other minor related complications were also observed in 7 patients, which included 3 transient neurological deficits, 3 asymptomatic dissections and 1 asymptomatic petechial hemorrhage. During the follow-up period (2-108 months), none of the patients developed ischemic stroke in the territory of treated MCA, however one patient developed TIA at the 12 month after angioplasty. Conclusions: Angioplasty without stent placement is technically feasible, safe and effective in the patients with symptomatic MCA stenosis.

[독자 시] 님의 존재

박만석 새가정사 1978 새가정 Vol.- No.-

Coxiella burnetii 감염에 의한 Q fever의 실험실 진단(1)

박만석,심수경,이혜경,김혜리,이병철,박미연 국립보건연구원 2000 국립보건원보 Vol.37 No.-

신용카드 이용자의 라이프 스타일과 구매행동 연구

박만석,김동준 한국광고홍보학회 1995 광고연구 Vol.0 No.28

2003년 법정전염병 발생현황

박만석 대한의사협회 2004 대한의사협회지 Vol.47 No.5

소비자의 지각된 위험과 불확실성에 관한 연구

박만석 全南大學校 企業經營硏究所 1998 産業經濟硏究 Vol.22 No.1

지각된 위험이라는 구성개념이 마케팅 및 소비자행동 분야에 큰 관심을 불러 일으켜 매우 광범하게 적용되어 왔음에도 불구하고 지각된 위험에 대한 정의 및 조작방식이 너무 다양하여 그 통합이 실현되지 못하였다. 지각된 위험은 Bauer 이래 불확실성과 성과의 함수로 정의되어 온 구성개념이다. 이에 관한 대부분의 연구들이 「불확실성×성과」의 이원구조를 고수하여 온 것처럼 보이지만 실제에 있어서는 연구자에 따라 매우 다양하게 적용되어 왔다. 특히 손실 기대의 관점에서 지각된 위험을 정의하는 관점을 고수하여 부의 성과만 고려하고 정의 성과를 포괄하지 못함으로써 소비자 선호 및 선택을 바르게 이해하지 못하였다. 본 연구는 Bauer 이래 연구의 준거틀이 되어 온 이원구조 내에서 지각된 위험 개념을 통합할 수 있는 가능성을 제시함에 목적이 있다. 지각된 위험의 연구전통과 개념 및 구조를 검토함으로써, 정, 부의 가능성과를 포괄하는 소비자의 지각된 성과분포에 의해 불확실성을 정의하는 것이 그간 다양하게 조작되어 온 지각된 위험 개념의 통합화 시도에 가장 근본이 됨을 지적하였다. 또한 확률분포상의 불확실성을 나타내는 척도로 사용되어 온 확률, 분산, 표준편차, 준분산, 준표준편차의 특성 및 한계성을 검토하였다. 아울러 지각된 위험에 관한 하나의 시도적인 모형으로서 식역위험모형을 제안하였다. 본 모형에서는 상, 하부 준분산 또는 상, 하부 준표준편차를 포괄하는 불확실성의 척도를 정의하였다. 이는 분포의 변동성뿐 아니라 비대칭성까지도 반영하기 때문에 확률모형이나 하부준분산모형이 갖는 한계성을 극복할 수 있다. 또한 소비자의 식역수준을 기준으로 하는 부의 성과와 정의 성과를 동시에 고려하고 있다. 이에 의해 개인별 성과분포의 손실맥락과 이득맥락이 지각된 위험에 미치는 영향을 포괄할 수 있으며, 이들간에 존재할 수 있는 교환관계도 반영할 수 있다. 특히 상, 하부 준분산 또는 표준편차의 영향이 소비자 개인의 위험태도에 의해 가중됨으로써 대안의 성과맥락이 지각된 위험에 미치는 영향을 반영할 수 있다. In the stream of work that has come from Bauer's initial suggestion, perceived risk has been defined as a function of two elements, uncertainty and consequences. Witin the research tradition in marketing and consumer behavior, classification of such types of risk as financial, physical, etc. has resulted in the general failure to consider the possible posittive outcomes of an alternative. And uncertainty has been used synonymously with risk in most researches on perceived risk. In spite of the recognition of risk as an important element in consumer behavior, little has been done to characterize uncertainty in an operational way into the models of perceived risk. What is needed as a first step is to conceptualize the perceived outcome distribution across different dimensions of consequences and for different levels of abstraction. Various meaures of the uncertainty inherent in outcome distribution and ways of modeling the perceived risk have been examined. Defining the perceived risk merely as the variance or downside semivariance of the perceived outcome distribution fails to incorporate the consumer's threshold and to reflect the individual difference in attitude toward risk. A model is proposed that anchors the distribution relative to the threshold and utilizes both the negative and the positive semivariance or semistandard deviation in a way reflecting the consumer's risk tolerance.

소비자의 지각된 위험에 관한 연구 : 속성차원의 모형화 가능성을 중심으로

박만석 全南大學校企業經營硏究所 1995 産業經濟硏究 Vol.18 No.1

總括生産計劃의 模型에 關한 小考

朴萬石 全南大學校企業經營硏究所 1981 産業經濟硏究 Vol.8 No.1

The term "Aggregate Production Planning" implies the process of developing a plan that will satisfy or meet demand within the limits of available resources at the least cost to the organization. Manager's interest is therefore focused on the most important aspects of this deployment process such as production rates, employment levels, and inventory levels. To meet the needs of aggregate planning, a good many models and decision processes ranging from the graphic methods to the computer search methods have been developed. They include numerical optimizing techniques, and heuristic problem-solving approaches as well. Among them, Linear Programming Model, Linear Decision Rule, Management Coefficient Model, and Search Decision Rule are studied with particular stress on examining their theoretical structures and making some comments on each model. The contents to be discussed here might run as follows: Firstly, the LPM aims at identifing the optimal plan for minimizing costs. The advantage of LPM for solving the production smoothing problem lies in the simplicity of the model and in the comparative ease with which it can handle constraints on availability of resources. One limitation of LPM is its assumption of linear costs and a more serious issus is that all demand forecasts are treated as being determinate and carring equal weight. Secondly, the LPM was develoed as a numerical programming approach under the assumption of the quadratic cost funtion. But its quadratic form is clearly a matter of mathematical convenience and may be a source of serious error. Thirdly, the MCM seeks to establish coefficients that describe the manager's decision-making behavior in a given environment. Using statistical regression analysis, the decision rules are fitted to a simple expression. The axiomatic assumption that managers use good decision makers and what is needed is just to eliminate inconsistencies in their behaviors is rather questionable. Fourthly, the SDR involves utilizing a technique for searching directly an objective function in order to locate its optimum. In such procedure, the objective function is evaluated at a point, its value compared with previous results, and a move is determined based upon a set of heuristic rules. In this manner, the function is searched systematically for the optimum although there is no guarantee that it will be located. Because of the differences in the assumptions and the objectives of the models, a direct comparison is difficult. As a result of this study, a methodology having 5 steps for implementation of aggregate production planning models can be proposed as follows: The first step is to explain the past decisions and to produce improved decision-making by applying the MCM. The second step is to design a realistic test situation for evaluating the performance of proposed models prior to implementation. The third step is to select the best model. The fourth step is to apply the selected modle to the real decision-marking problem. Lastly, the models associated with cost structures must be updated and validated on a continuous basis with the aid of sensitivity analyses.