• Journal of the East Asian Society of Dietary Life
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• v.25 no.5
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• pp.922-931
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• 2015

To investigate and analyze the influence of trust on consumer satisfaction in rice cake cafe menus using domestically grown food ingredients, this study divided selection attributes of rice cake cafe menus into safety, nutrition, ethicality and marketability through an exploratory factor analysis and analyzed reliability and correlation among these variables. As a result, these four factors were adopted as selection factors, and the results of the correlation analysis among the variables showed that the four factors were statistically correlated with trust and customer satisfaction. The result of validity and reliability testing on consumer trust showed that the menus were reliable and trustworthy as they had been made using domestically grown agricultural products. Analysis of how cafe selection attributes affect trust showed that the these variables had a significantly positive influence on trust in the order of safety, marketability, nutrition, and ethicality. The influence of the selection attributes on customer satisfaction was statistically significant, and the independent variables had a significantly positive influence on trust in the order of marketability, ethicality, safety, and nutrition. In verifying the mediation effect of trust on customer satisfaction, the four factors of rice cake cafe selection attributes had statistically significant mediation effects.

• Korean journal of food and cookery science
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• v.27 no.2
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• pp.83-94
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• 2011

The purpose of this study was to analyze the structural relationships among selection attributes, satisfaction, and loyalty of green tea consumers, including their moderating effect of involvement. Questionnaires were administered to residents of Seoul and Gyeonggi-do province, who were 20 years old and older and who had purchased green tea. A total of 700 questionnaires were distributed, and 658 were finally used in the analysis. SPSS 15.0 and LISREL 8.80 were used for the analysis. Selection attributes had a significant effect on satisfaction, and statistical significance was observed with regard to factors such as marketing, production, sensory evaluation, and brand. No significant direct effect was observed between selection attributes and loyalty. Additionally, satisfaction had a significant effect on loyalty. The marketing factor had a negative effect on satisfaction in both the low- and high-involvement groups. The brand factor had a positive effect on satisfaction in the low involvement group, suggesting that developing and promoting a popular brand is essential. Sensory and utility factors had a positive effect on satisfaction in the high involvement group.

• Journal of Labour Economics
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• v.42 no.2
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• pp.37-62
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• 2019

We investigate the type of self-selection arising in college transfer in Korea, and then estimate the returns to additional college education gained through transfers from junior colleges to four-year colleges or universities. In this paper, we show that academic transfer is consistent with a positive selection hypothesis, in a sense that students with characteristics correlated positively to productivity are more likely to transfer to four-year colleges from junior colleges. These empirical results also meet an underlying dispersion condition. In addition, we find that the transferred would make a statistically significant return to additional college education.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.10 no.10
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• pp.2864-2872
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• 2009

This research had the following 3 procedures. The first step focused on the study of the selection attributes for the selection of family and fast food restaurant. The second process is to analyse the level of customer's satisfaction after visiting such family and fast food restaurants. And the in last phase the factor analysis was carried out in order to determine the attribute factors for the restaurant selection. After that the hypothesis was verified about which selection attribute has the effect on the customer satisfaction. The research hypothesises look like as follow.. H1 : the selection attributes of family restaurant has the positive effect on the customer satisfaction. H2 : the selection attributes of fast food restaurant has the positive effect on the customer satisfaction. For this research about 350 university students in Chongju area were interviewed. The result of this research would be the guideline in terms of the marketing aspects for the restaurant owners who are confronted with the severe competition, and also be the foundation for the future research.

• Korean Journal of Organic Agriculture
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• v.25 no.4
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• pp.663-677
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• 2017

As Korean food service franchise companies sought to advance into around 2,000 new foreign markets, the importance of global management was emphasized. They intensively expanded into Chinese and American markets in 2015 and these two markets account for approximately 40% of total food service franchise companies in foreign countries. Although Japan has huge franchise market, Korean food service franchise companies in Japan only account for 5% of total franchise companies in Asian countries. The purpose of this study is to analyze the relationship between food service franchise selection factors, brand loyalty, and revisit intention of Japanese consumers using Korean food service franchise companies in Japanese food service market, and based on the analysis results, draw the implications for the expansion of Korean food service franchise companies into the Japanese market. Food service franchise selection factors is defined as service and cleanliness, taste, safety and reliability, cost and convenience, and professionalism. The study results can be summarized as follows. First, analysis was performed to identify the effects of food service franchise selection factors on the brand loyalty, it showed that five food service franchise selection factors including professionalism, service and cleanliness, cost and convenience had positive (+) effects on the brand loyalty. One of the most important factors influencing the brand loyalty is professionalism. In order to raise food service franchise's professionalism, it is necessary for the food service franchise companies to establish stronger strategies containing professional operation systems and services compared to general restaurants. Second, analysis was performed to identify the effects of food service franchise selection factors on revisit intention, five food service franchise selection factors, service and cleanliness, safety and reliability, and cost and convenience had positive (+) effects on revisit intention. One of the most important factors influencing revisit intention is safety and reliability. Thus, in order to raise safety and reliability it is important to form trust with consumers by properly utilizing systems of food hygiene and food safety accreditation.

• Journal of Digital Convergence
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• v.15 no.6
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• pp.467-479
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• 2017

The purpose of this study was to identify the relationship among golf wear selection attributes, customer satisfaction, brand attitude and repurchase intention In order to achieve this purpose, 204 spectator were selected from department of golf at university and golf wear store in seoul by the convenience sampling method. The instrument for data collection was a questionnaire whose validity was evaluated by an expert group and whose reliability was judged from the cronbach's alpha values ranging from .826 to .945 The results first, it showed that aesthetics and dailiness of golf wear selection attributes had positive effect on customer satisfaction. Second, it showed that customer satisfaction had positive effect on brand attitude. Lastly, it showed that customer satisfaction had positive effect on repurchase intention. Therefore, golf wear firms should understand what consumers' Selection Attributes. And they should devise effective strategies.

• Journal of the Korean Society of Food Culture
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• v.35 no.2
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• pp.156-166
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• 2020

In this study, 594 questionnaires administered to men and women residing in the capital metropolitan area who work night shifts were analyzed in order to study the effect of health information cognition on healing needs in accordance with the type of food selection criteria of the night worker. The results of confirmatory factor analysis in deriving food selection type identified four categories, a safety seeking type, a food exploratory type, a habitual seeking type, and a rational type, and the cognition types on health information were classified into physical cognition and psychological cognition. The need for healing, which was the investigated factor, was found to have a high correlation between questionnaire items with high reliable consistency. The results of this study were as follows. First, the food selection types of safety seeking type and habitual food seeking type had significant positive effects on the cognitive level of physical health information, and food exploratory type and habitual seeking type had significant positive effects on the cognitive level of psychological health information. In addition, it was shown that food exploratory type and rational type had significant positive effects on healing needs. As a result of this study, it was found that the cognition level of physical and psychological information was different according to food selection type, and the higher the cognitive level, the higher the healing needs. In particular, the result that the level of psychological health information significantly affected healing needs signifies that there is a demand to develop programs and menus that satisfy various needs related to healing and recovery from fatigue. In addition, further interest and study on the health and healing of night workers are required.

• Journal of Information Processing Systems
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• v.2 no.1
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• pp.23-27
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• 2006

This paper presents a feature selection technique based on distributional differences for efficient machine learning. Initial training data consists of data including many features and a target value. We classified them into positive and negative data based on the target value. We then divided the range of the feature values into 10 intervals and calculated the distribution of the intervals in each positive and negative data. Then, we selected the features and the intervals of the features for which the distributional differences are over a certain threshold. Using the selected intervals and features, we could obtain the reduced training data. In the experiments, we will show that the reduced training data can reduce the training time of the neural network by about 40%, and we can obtain more profit on simulated stock trading using the trained functions as well.

• Journal of Plant Biotechnology
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• v.3 no.3
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• pp.113-121
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• 2001

The use of a marker gene in a transformation process aims to give a selective advantage to the transformed cells, allowing them to grow faster and better, and to kill the non-transformed cells. In general, the selective gene is introduced into plant genome along with the genes of interest. In some cases, the marker gene can be the gene of interest that will confer an agronomic characteristic, such as herbicide resistance. In this review we list and discuss the use of the most common selective marker genes on plant transformation and the effects of their respective selective agents. These genes could be divided in categories according their mode of action: genes that confer resistance to antibiotics and herbicides; and genes for positive selection. The contention of the marker gene flow through chloroplast transformation is further discussed. Moreover, strategies to recover marker-free transgenic plants, involving multi-auto-transformation (MAT), co-transformation, site specific recombination and intragenomic relocation of transgenes through transposable elements, are also reviewed.

• Proceedings of the Korean Institute of Intelligent Systems Conference
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• 2002.12a
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• pp.478-481
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• 2002

본 논문에서는 생명체의 면역계에서 중요한 역할을 하는 세포독성 T세포의 생성과정의 하나인 긍정선택(positive selection)과 부정 선택(negative selection)을 모델링하여 침입에 의한 데이터 변경과 바이러스에 의한 데이터 감염 등을 탐지할 때 가장 중요한 요소인 변경 검사 알고리즘을 개발하였다. 제안한 알고리즘은 면역세포의 생성시 MHC 인식부를 형성해 주는 긍정 선택을 자기 인식 알고리즘으로 구현하여 컴퓨터에서 자기로 인식해야하는 파일이나 기능에 대해 MHC 인식부를 형성하고, 또한 항원 인식부를 형성하는 부정 선택을 이용해 변형 검지기(anomaly detector)를 구성한다. 따라서 제안한 알고리즘은 실제 면역세포와 마찬가지로 자신과 침입자 모두에 대한 인식기를 가지고 변경을 탐지하게 된다. 시뮬레이션을 통하여 자기파일의 일부가 변경되었을 때와 블록이 변경되었을 때에 대하여 두 가지 방법을 이용한 변경 검사 알고리즘의 특성과 유효성을 밝힌다.