• 제목/요약/키워드: gap-acceptance

검색결과 79건 처리시간 0.027초

관광호텔 객실 공표 가격과 실거래 가격, 수용 가격과의 인구통계적 변수별 차이 - 대전지역 특급호텔 종사원을 중심으로 - (Differences of Rack Rate, Transaction Rate and Acceptability Rate by Demographic Variable in Tourist Hotels)

  • 유경민;박정하
    • 한국조리학회지
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    • 제14권2호
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    • pp.225-236
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    • 2008
  • This study is to explore how the employees of tourist hotels perceive moderate room rates and price acceptance. Sampling was taken among employees for deluxe hotels at Yusong in Daejeon. A total of 150 samples were distributed and 124 valid samples were selected for this research. Answers were processed by SPSS 15.0 after data coding. The results of study are as follows; First, annual average sales price of hotel rooms is \99,223, and the rack rates take up 49.7% of the transaction rates. Second, the rack rates which many employees think moderate are in the range of $50.09{\sim}75.13%(\100,000{\sim}150,000)$ of the rack rates. Third, many employees consider $40.07{\sim}50.09%(\80,000{\sim}100,000)$ of the rack rates as the moderate acceptability rates. Finally, the differences of fair rates by age and annual income were noticeable. These hotels ought to narrow the gap between rack rates and transaction rates. This study has a meaning to draw up a new plan for the room rate policy.

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비선형 PID 제어기의 최적 설계및 실제 적용 (Optimal design and real application of nonlinear PID controllers)

  • 이문용;구도균;이종민
    • 제어로봇시스템학회논문지
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    • 제3권6호
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    • pp.639-643
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    • 1997
  • This paper presents how nonlinear PID control algorithms can be applied on chemical processes for a more stable operation and perfect automation. A pass balance controller is designed to balance the exiting temperatures of a heater and a heat exchange network. The proposed controller has gain-varying integral action and deals with the operational constraints in an efficient manner. Also, the use of a PID gap controller is proposed to maximize energy saving and operation stability and to minimize operator intervention in operation of air fan coolers. The proposed controller adjusts the opening of a louver automatically in such a way that it keeps the air fan pitch position within the desired range. All these nonlinear PID controllers have been implemented on the distributed control system (DCS) for good reliability and operability. Operator acceptance was very high and the implemented controllers have shown good performance and high service factor still now on. The proposed methodology can be directly applied to similar processes without any modification.

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치과 캐드/캠 시스템으로 제작된 지르코니아 single 코핑과 3-unit 구조물의 상대적 적합도 비교 (Comparison of relative fitness between zirconia single coping and 3-unit fixed partial dentures (FPDs) manufactured by dental CAD/CAM system)

  • 이완선;박종경;김욱태
    • 구강회복응용과학지
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    • 제30권1호
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    • pp.16-22
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    • 2014
  • 목적: 본 연구의 목적은 동일한 모형에서 제작된 지르코니아 single 코핑과 3-unit 구조물의 변연 및 내면 적합도를 평가하는 것이다. 연구 재료 및 방법: 상악 우측 제2소구치가 상실되고 상악 제1소구치와 제2대구치가 지대치로 형성된 에폭시 모형(epoxy model)을 제작한 후 레이저 스캐너를 이용하여 스캔 하였다. CAD 소프트웨어를 이용하여 지르코니아 구조물을 디자인하고 CAM을 사용하여 지르코니아 single 코핑과 3-unit 구조물을 제작 하였다. 지르코니아 single 코핑은 상악 제1소구치, 제2대구치에서 각각 10개씩 제작 되었고 지르코니아 3-unit 구조물도 10개가 제작 되었다. 적합도 측정을 위하여 제작된 실리콘 복제(silicone replica)를 4등분하고 각 면의 측정 위치(P1, P2, P3, P4, P5)에서 디지털 현미경을 사용하여 적합도를 측정하였다. 각 위치에서 측정된 불일치 값들은 변연 불일치(MG, P1), 축 불일치(AG, P2와 P3의 평균), 교합 불일치(OG, P4와 P5의 평균)의 세 범주로 분류하였다. 결과: Single 코핑에서 변연 불일치의 범위는 18.47 - 40.54 ${\mu}m$, 축 불일치의 범위는 39.73 - 73.61 ${\mu}m$, 교합 불일치의 범위는 116.90 - 134.69 ${\mu}m$이었다. 3-unit 구조물에서 변연 불일치의 범위는 45.95 - 87.44 ${\mu}m$이고, 축 불일치의 범위는 23.78 - 57.00 ${\mu}m$이고, 교합 불일치는 99.89 - 131.06 ${\mu}m$이었다. 결론: 본 연구의 결과에 따르면 single 코핑에 비해 3-unit 구조물의 변연 불일치가 증가하였지만 임상학적 수용 범위(- 120 ${\mu}m$) 내에 있었으며 3-unit 구조물의 불일치 증가를 방지하기 위해서 더욱 균질한 지르코니아 블록 사용과 소결공정들을 조절해야 할 것이다.

임계간격을 이용한 비신호 교차로의 시거 산정에 관한 연구 (Intersection Sight Distance Based on Critical Gap at Unsignalized Intersections)

  • 이슬기;이용재;김석근
    • 대한교통학회지
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    • 제21권5호
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    • pp.97-110
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    • 2003
  • 교차로 시거는 안전하게 교차로를 운영하기 위하여 필요한 기본적인 요소 중의 하나임에도 불구하고 외국선진국에 비하여 우리나라에서는 아직까지 이에 대한 체계적인 연구경험이 부족한 실정이다. 즉 미국을 위시한 세계 여러 나라에서는 이미 많은 노력을 들여 자신들의 고유한 운전자 특성 및 행태, 차량의 운행특성, 기타 환경조건의 영향 등을 고려한 교차로 시거 기준을 마련하여 사용하고 있으나 이와는 대조적으로 우리나라의 경우는 미국의 설계기준을 거의 여과 없이 준용하여 사용하고 있다. 본 연구에서는 이러한 국내외 연구여건을 감안하여 최근 미국과 유럽 선진국에서 유용성이 널리 알려져 있는 AASHTO(2001) 시거모형을 활용하여 우리나라 도시지역의 비신호 교차로에 적합한 교차로 시거를 산정하여 보고자 한다. 이 시거모형은 안전제동거리(Safe Stopping Distance)를 바탕으로 발전된 기존의 시거모형과는 달리 운전행태에 따른 임계간격(Critical Gap)을 이용하여 개발된 모형으로서 교차로 주변에서 발생하는 상황을 손쉽게 모형에 포함시킬 수 있을 뿐만 아니라 운전자의 안전에 관한 행태적 측면까지 고려할 수 있도록 개선된 것이다. 연구의 결과에 의하면 국내와 미국의 도로설계에 적용되고 있는 운전행태별 시거기준과 비교하여 본 연구에서 산정한 시거가 전반적으로 작은 값으로 추정되고 있어 현재 우리 나라 교차로의 설계에 적용되는 기준치들이 매우 보수(안전)적인 경향이 있음을 발견하였다.

한국가족계획사업(韓國家族計劃事業)의 문제점(問題點) (Problems in the Korean National Family Planning Program)

  • 홍종관
    • Clinical and Experimental Reproductive Medicine
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    • 제2권2호
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    • pp.27-36
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    • 1975
  • The success of the family planning program in Korea is reflected in the decrease in the growth rate from 3.0% in 1962 to 2.0% in 1971, and in the decrease in the fertility rate from 43/1,000 in 1960 to 29/1,000 in 1970. However, it would be erroneous to attribute these reductions entirely to the family planning program. Other socio-economic factors, such as the increasing age at marriage and the increasing use of induced abortions, definitely had an impact on the lowered growth and fertility rate. Despite the relative success of the program to data in meeting its goals, there is no room for complacency. Meeting the goal of a further reduction in the population growth rate to 1.3% by 1981 is a much more difficult task than any one faced in the past. Not only must fertility be lowered further, but the size of the target population itself will expand tremendously in the late seventies; due to the post-war baby boom of the 1950's reaching reproductive ages. Furthermore, it is doubtful that the age at marriage will continue to rise as in the past or that the incidence of induced abortion will continue to increase. Consequently, future reductions in fertility will be more dependent on the performance of the national family planning program, with less assistance from these non-program factors. This paper will describe various approaches to help to the solution of these current problems. 1. PRACTICE RATE IN FAMILY PLANNING In 1973, the attitude (approval) and knowledge rates were quite high; 94% and 98% respectively. But a large gap exists between that and the actual practice rate, which is only 3695. Two factors must be considered in attempting to close the KAP-gap. The first is to change social norms, which still favor a larger family, increasing the practice rate cannot be done very quickly. The second point to consider is that the family planning program has not yet reached all the eligible women. A 1973 study determineded that a large portion, 3096 in fact, of all eligible women do not want more children, but are not practicing family planning. Thus, future efforts to help close the KAP-gap must focus attention and services on this important large group of potential acceptors. 2. CONTINUATION RATES Dissatisfaction with the loop and pill has resulted in high discontinuation rates. For example, a 1973 survey revealed that within the first six months initial loop acceptance. nearly 50% were dropouts, and that within the first four months of inital pill acceptance. nearly 50% were dropouts. These discontinuation rates have risen over the past few years. The high rate of discontinuance obviously decreases the contraceptive effectiveness. and has resulted in many unwanted births which is directly related to the increase of induced abortions. In the future, the family planning program must emphasize the improved quality of initial and follow-up services. rather than more quantity, in order to insure higher continuation rates and thus more effective contraceptive protection. 3. INDUCED ABORTION As noted earlier. the use of induced abortions has been increase yearly. For example, in 1960, the average number of abortions was 0.6 abortions per women in the 15-44 age range. By 1970. that had increased to 2 abortions per women. In 1966. 13% of all women between 15-44 had experienced at least one abortion. By 1971, that figure jumped to 28%. In 1973 alone, the total number of abortions was 400,000. Besides the ever incre.sing number of induced abortions, another change has that those who use abortions have shifted since 1965 to include- not. only the middle class, but also rural and low-income women. In the future. in response to the demand for abortion services among rural and low-income w~men, the government must provide and support abortion services for these women as a part of the national family planning program. 4. TARGET SYSTIi:M Since 1962, the nationwide target system has been used to set a target for each method, and the target number of acceptors is then apportioned out to various sub-areas according to the number of eligible couples in each area. Because these targets are set without consideration for demographic factors, particular tastes, prejudices, and previous patterns of acceptance in the area, a high discontinuation rate for all methods and a high wastage rate for the oral pill and condom results. In the future. to alleviate these problems of the methodbased target system. an alternative. such as the weighted-credit system, should be adopted on a nation wide basis. In this system. each contraceptive method is. assigned a specific number of points based upon the couple-years of protection (CYP) provided by the method. and no specific targets for each method are given. 5. INCREASE OF STERILIZA.TION TARGET Two special projects. the hospital-based family planning program and the armed forces program, has greatly contributed to the increasing acceptance in female and male sterilization respectively. From January-September 1974, 28,773 sterilizations were performed. During the same time in 1975, 46,894 were performed; a 63% increase. If this trend continues, by the end of 1975. approximately 70,000 sterilizations will have been performed. Sterilization is a much better method than both the loop and pill, in terms of more effective contraceptive protection and the almost zero dropout rate. In the future, the. family planning program should continue to stress the special programs which make more sterilizations possible. In particular, it should seek to add the laparoscope techniques to facilitate female sterilization acceptance rates. 6. INCREASE NUMBER OF PRIVATE ACCEPTORS Among the current family planning users, approximately 1/3 are in the private sector and thus do not- require government subsidy. The number of private acceptors increases with increasing urbanization and economic growth. To speed this process, the government initiated the special hospital based family planning program which is utilized mostly by the private sector. However, in the future, to further hasten the increase of private acceptors, the government should encourage doctors in private practice to provide family planning services, and provide the contraceptive supplies. This way, those do utilize the private medical system will also be able to receive family planning services and pay for it. Another means of increasing the number of private acceptors, IS to greatly expand the commercial outlets for pills and condoms beyond the existing service points of drugstores, hospitals, and health centers. 7. IE&C PROGRAM The current preferred family size is nearly twice as high as needed to achieve a stable poplation. Also, a strong boy preference hinders a small family size as nearly all couples fuel they must have at least one or more sons. The IE&C program must, in the future, strive to emphasize the values of the small family and equality of the sexes. A second problem for the IE&C program to work. with in the: future is the large group of people who approves family planning, want no more children, but do not practice. The IE&C program must work to motivate these people to accept family planning And finally, for those who already practice, an IE&C program in the future must stress continuation of use. The IE&C campaign, to insure highest effectiveness, should be based on a detailed factor analysis of contraceptive discontinuance. In conclusion, Korea faces a serious unfavorable sociodemographic situation- in the future unless the population growth rate can be curtailed. And in the future, the decrease in fertility will depend solely on the family planning program, as the effect of other socio-economic factors has already been maximumally felt. A second serious factor to consider is the increasing number of eligible women due to the 1950's baby boom. Thus, to meet these challenges, the program target must be increased and the program must improve the effectiveness of its current activities and develop new programs.

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가상 공동체 사용자의 전자상거래 수용에 대한 연구 (A Study on EC Acceptance of Virtual Community Users)

  • 이형용;안현철
    • Asia pacific journal of information systems
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    • 제19권1호
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    • pp.147-165
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    • 2009
  • Virtual community(VC) will increasingly be organized as commercial enterprises, with the objective of earning an attractive financial return by providing members with valuable resources and environment. For example, Cyworld.com in Korea uses several community services to enable customers of Cyworld to take control of their own value as potential purchasers of products and services. Although initial adoption is important for online network service success, it does not necessarily result in the desired managerial performance unless the initial usage is continuously related to the continuous usage and purchase. Particularly, the customer who receives relevant online services and is well equipped with online network services, will trust the online service provider and perceive less risk and experience more activities such as continuous usage and purchase. Thus, how to promote continued online service usage or, alternatively, how to prevent discontinuance is a critical issue for VC service providers to consider. By aggregating a wide range of information and online environments for customers and providing trust to its members, the service providers of virtual communities help to reduce the perceived risk of continuous usage and purchase. Drill down, online service managers realize that achieving strong and sustained customers who continuously use online service and purchase on it is crucial. Therefore, the research into this online service continuance will identify the relationship between the initial usage and the continuous usage and purchase. The research of continuous usage or post adoption has recently emerged as an important issue in the IS literature. Individuals' information systems(IS) continuous usage decisions are congruent with consumers' repeat purchase decisions. The TAM(Technology Acceptance Model) paradigm has been strongly confirmed across a wide range from product purchase on EC to online service usage contexts. The analysis of IS usage based on TAM has proven to be successful across almost online service contexts. However, most of previous studies have focused on only an area (i.e., VC or EC). Just little research has tried to analyze the relationship between VC and EC. The effect of some factors on user intention, captured through several theories such as TAM, has been demonstrated. Yet, few studies have explored the salient relationships of VC users' EC acceptance. To fill this gap between VC and EC research, this paper attempts to develop a research model that extends the TAM perspective in view of the additional contributions of trust in the service provider and trust in members on some factors that affect EC and VC adoption. In this extension, we applied the TAM-to-TAM(T2T) model, and analyzed the transfer effect of trust between these two TAMs. The research model was empirically tested on the context of a social network service. The model was to extend TAM with the trust concept for the virtual community environment from the perspective of tasks. By building an extended model of TAM and examining the relationships between trust and the existing variables of TAM, it is aimed to explain a user's continuous intention to use VC and purchase on EC. The unit of analysis in this paper is an individual user of a virtual community. The population of interest is the individual with the experiences in virtual community. The data for this paper was made available via a Web survey of VC users. In total, 281 cases were gathered for about one week, but there were some missing values in the sample and there were some inappropriate cases. Thus, only 248 cases were finally analyzed. We chose the structural equation analysis to test the hypotheses and it is better suited for explaining complex relationships than the other methods. In this test, AMOS was used to test the Structural Equation Model (SEM). Noticeable results have been found in the T2T model regarding the factors affecting the intention to use of virtual community and loyalty. Our result showed that trust transfer plays a key role in forming the two adoption beliefs. Overall, this study preliminarily confirms the salience of trust transfer in online service.

기업 모바일 보안기술 도입에 영향을 미치는 특성요인 (Factors Influencing the Introduction of Mobile Security Technology)

  • 최웅규;이영재
    • 한국전자거래학회지
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    • 제18권4호
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    • pp.215-240
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    • 2013
  • 본 논문은 기업의 모바일 보안기술 도입에 영향을 미치는 특성요인에 관한 이론적 설명력을 제고하기 위해 채택연구들의 이론적 기반이 되었던 혁신확산이론, 혁신저항모델, 기술수용 모델, 정보자산보호 활동이 제시하고 있는 주요 구성개념, 실증연구결과들을 검토하였다. 모바일 보안기술 도입을 위한 특성요인들과 이용의사에 미치는 영향을 검증하기 위해 본 연구모형에서 제시한 17개의 연구가설을 구조방정식모델 분석방법을 사용하여 실증적으로 검증하였다. 연구 결과, 첫째, 혁신저항에 가장 큰 영향을 미치는 모바일 보안기술 특성요인 들은 '적합성', '복잡성', '상대적 이점', '정보자산보호' 순으로 나타났다. 둘째, 이용의사에 영향을 미치는 특성요인은 '상대적 이점', '적합성', '혁신저항', '성과기대'인 것으로 나타났다. 이는 향후 모바일 보안기술 채택 연구의 이론적 배경을 제공하는데 의의가 있으며, 검증된 특성요인 들은 확산주체에게 기존 보안기술과 새로운 모바일 보안기술 간의 정보격차를 완화시키는 정책방향이나 모바일 보안기술도입을 위한 전략적 차원의 시사점을 제공한다.

인공지능 서비스의 사용자 수용 의도에 관한 연구 : 대화형 AI서비스 필요성에 대한 인식에 영향을 주는 요인을 중심으로 (A Study on the Users Intention to Adopt an Intelligent Service: Focusing on the Factors Affecting the Perceived Necessity of Conversational A.I. Service)

  • 전소원;이지희;이종태
    • 기술혁신학회지
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    • 제22권2호
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    • pp.242-264
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    • 2019
  • 본 연구는 빠르게 확산되고 있는 인공지능 기반 서비스에 대한 사용자들의 수용 의도에 영향을 주는 요인을 분석하는 연구이다. 구체적으로는, 본 연구는 인공지능 기반 서비스의 사용자들의 수용 의도에 영향을 주는 요인 중, TAM, UTAUT 기반 연구와 같은 기존의 선행 연구들이 제시한 바 있는 쾌락적 동기, 실용적 동기와 함께, 인공지능 기반 서비스의 사용 안전성에 대한 사용자 인식, 이들 서비스의 필요성을 강조하는 시대적 압박, 서비스의 혁신성과 서비스의 체험 경험 등의 요인들이 주는 직 간접적인 영향을 집중적으로 분석한다. 분석 결과, 제시된 요인들은 A.I. 스피커에 대한 소비자의 사용 의도에 유의미한 영향을 미치는 것으로 나타났다. 보다 구체적으로는, 기존에 다양한 연구에서 제시되어 온 TAM, UTAUT모형에서 제시되어온 편의성과 쾌락적/실용적 동기가 A.I. 스피커로 대표되는 지능형 서비스의 사용자 수용 의도에도 유의미한 요인임을 증명하였다. 이와 함께, 기존에는 소수의 연구에서만 고려되었던 시대적 압박이라는 비자발적 영향 요인이 지능형 서비스를 포함한 IT융합형 서비스의 수용 의도에 유의미한 영향력을 나타내었으며, 이러한 서비스에 대한 사용자의 보안성 인지와 지능형 서비스(A.I. 스피커)의 실제 경험 여부 또한 중요한 영향요인으로 제시되었다.

실버세대의 인터넷 활용 영향요인 연구 (A Study on the Factors Influencing the Intention of Silve Generation to Use Internet)

  • 김미량;김태웅;김재현
    • 인터넷정보학회논문지
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    • 제10권1호
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    • pp.145-158
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    • 2009
  • 인터넷과 관련 정보기술의 비약적인 발전만큼 우리에게 새로운 도전과 성장의 기회를 제공한 적은 없다. 정보는 엄청난 속도로 전파되고 관련 기술 역시 그에 걸맞는 속도로 발전하고 있다. 그러나 사회가 이처럼 ICT(Information & Communication Technology)에 의존하는 경향이 짙어지면서 노인(실버) 세대의 삶의 질은 오히려 저하되고 있는 것처럼 보인다. 어떤 일이 벌어지고 있는지, 어떤 기회가 있는지 등에 대한 정보에 편하게 접할 수 있으며 기존의 관행에 비해 새로운 대안이 나올 때 이를 손쉽게 이용할 수 있는 기회가 제공되어야 인생이 재미있다. 본 논문은 노인들의 인터넷 이용 및 접근에 대한 영향요인을 식별 평가하는데 주요 목적이 있다. 인터넷의 이용용이성 인터넷에 대한 유용성인식정도 자기효능감, 스트레스, 세대 간 갈등, 소득 등을 주요 변수로 설정하고 이를 테스트한다. 58세 이상의 노인 28명에 설문을 돌려 모형을 검증한 결과, 유용성와 용이성은 사용의도에 영향을 미치며, 자기효능감과 세대 간 갈등도 유용성에 다소 영향을 미치는 것으로 나타났으나 스트레스와 수입은 유용성과는 무관한 것으로 나타났다. 그렇지만 자기효능감과 수입은 용이성에 영향을 미치는 것으로 판단된다. 이외에도 실버세대의 인터넷 교육에 대한 몇 가지 제안도 논문 말미에 포함시켰다.

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교차로에 인접한 부 도로의 적정 이격거리 산정 (Determination of the Required Minimum Spacing Between Signalized Intersection and Minor Road)

  • 권성대;김윤미;강남원;하태준
    • 대한토목학회논문집
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    • 제34권2호
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    • pp.573-582
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    • 2014
  • 교차로에 인접한 부 도로에 대한 설치기준이 명확하지 않아 설치 및 운영에 많은 문제점을 야기시키고 있으며, 이로 인하여 교통소통과 교통안전에 문제가 발생하고 있다. 현재까지 교차로 진출입과 관련하여 운영적인 측면에서는 많은 연구가 시도되었지만, 교차로에 인접한 부 도로에 대한 연구는 대단히 미흡하고 이에 따른 합리적인 설계가 이루어지지 못하는 실정이다. 이에 본 연구에서는 교차로에 인접한 부 도로에서 진출하는 차량에 대한 행태를 조사하고, 교통소통과 안전을 고려하여 교차로에 인접한 부 도로의 적절한 이격거리를 제시하고자 한다. 교통소통과 안전을 도모할 수 있는 교차로에 인접한 부 도로의 적정길이를 제시함으로써, 향후 교차로에 인접한 부 도로와과 관련된 설치기준 정립에 이바지하고자 한다.