• Journal of the Korean Society of Propulsion Engineers
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• v.14 no.3
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• pp.16-22
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• 2010

The gas turbine engine performance relies greatly on its component performance characteristics. Generally, engine manufacturers do not provide engine purchasers the component performance characteristics which can be obtained by lots of experimental tests at various operating conditions and big amount of expenses. In previous works the component maps have mostly been generated by scaling from a similar component map. However this scaling method has large error at off design points, specially in high altitude operation. Therefore this work proposes an inverse modeling method that can generate components maps of PT6A-67A turboprop engine using performance data provided by the engine manufacturer. In addition, evaluation can be made through comparison between performance analysis results using the performance simulation program including the generated compressor map and performance data.

• Journal of the Korean Society of Clothing and Textiles
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• v.33 no.11
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• pp.1768-1773
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• 2009

This study determines the body size of preteen children and conducts questionnaire investigations into the awareness of real purchasers or parents of and satisfaction with children's clothes and fit, in order to provide the basic data for planning and setting up the size range for the preteens market in which the sales of children clothes are gradually increasing. The findings of this study are as follow: Analyzing the obesity of the children against the Rohrer index showed that almost 30% of the subjects were obese children and that it is necessary to research the sizes of the clothes for obese children. It was also found that older children selected a more appropriate clothe size. Investigations into the awareness of children on their body image found that there was a significant difference in the perception of body shape, body weight, shoulder breath, arm thickness, chest girt, waist girth, hip girth, and thigh thickness. Slim or standard type children had the greatest consideration for the length of clothes to purchase while obese children had the greatest consideration for bosom size and waist girth. However, in terms of the association between fitness and size selection, obese children did not select a bigger size but an appropriate one for their body. The findings show that it is imperative to develop appropriate size clothes for obese children.

• Journal of the Korean Society of Food Culture
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• v.35 no.3
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• pp.256-264
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• 2020

This paper provides basic data for product developers by investigating the consumption status, consumer perception, and consumer demand on products using Aster Yomena. Two hundred ninety-five people over 20 years of age were analyzed according to gender and age. In the purchase of Aster Yomena products, men were the higher purchasers except for powder. In age, noodles, wild vegetables, jangajji, tteok, and powder were consumed by those older than 30 years. In an analysis of purchase when developing Aster Yomena products, the male purchase intention was higher in all items except for kalguksu in the staple, and male purchase intention was higher in only bibimbapseasoning among aster powder addition sauce and all items in dessert. The purchase intention of those older than 30 years was higher in all items of staples, aster powder addition sause and sause The purchase intention of those older than 30 yearse was higher in green vegetables juice and milk tea among drink, and all items except ice cream among dessert. An analysis of the popularization of Aster Yomena revealed higher perceptions of men in the medium (TV, internet, online cafe, agro-fishery market), experience program (area tourism, exposition), and product development (convenience food, recipe development). The medium (agro-fishery market), experience program, and product development were more recognized in their 30s or more. The products with aster yomana require the most effective marketing to men 30 years and older, and require a strategy that will interest those in their 20s.

• Journal of Digital Convergence
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• v.18 no.8
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• pp.435-446
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• 2020

The objectives of this study are to understand the factors composing the attributes of mobile social-commerce shopping mall and the characteristics of shopping mall business, and also to verify the effects of those attributes on the shopping satisfaction and shopping mall loyalty. The respondents participating in this study are the consumers who have experiences in purchasing fashion clothing in mobile social-commerce shopping mall within the last one year. The results of this study are as follows. First, the personally-customized service and convenience of shopping mall had positive effects on the social-commerce shopping satisfaction. Second, the personally-customized service and diversity of products had positive effects on the shopping mall loyalty. Third, the reputation of shopping mall of the characteristics of social-commerce shopping mall business had positive effects on the shopping satisfaction and shopping mall loyalty. This study above could provide the important implications for the establishment of marketing strategies for vitalizing the fashion clothing market of social-commerce shopping mall.

• The Korean Journal of Community Living Science
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• v.28 no.4
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• pp.581-597
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• 2017

This study evaluated the effect of consumers' knowledge and attitude toward to local foods on purchase intention. The study data were collected through a three-week online survey of 500 household food purchasers who had bought local foods within the previous year. The results are as follows. First, examining the difference in the knowledge of local foods according to socio-demographic variables revealed that married people had more knowledge of local foods than singles according to marital status, and college graduates and higher had more knowledge than high school graduates and lower according to education level. Second, as a result of examining the difference in attitudes towards local foods according to socio-demographic variables, married people more than single people according to marital status, people in their 30s more than those in their 20s according to age and college graduates and higher more than high school graduates and lower according to education level had more positive attitudes towards local foods. Third, as a result of examining the difference in consumers' purchase intention towards local foods according to socio-demographic variables, according to age, and housewives had the lowest purchase intention towards local foods according to occupation. (Ed- I cannot understand: the section 'according to socio-demographic variables, according to age, and housewives had' is confused) People engaged in office/specialized/managerial jobs and those engaged in production/sales/service had the highest purchase intention. In regard to monthly average income, households that made less than KRW 4 million had the lowest purchase intention, and those that made KRW 4-8 million had the highest purchase intention. Fourth, the knowledge of local foods affected attitudes towards local foods. Fifth, attitudes towards local foods affected consumers' purchase intention. In other words, people with positive attitudes towards local foods had higher purchase intention.

• The Journal of Information Systems
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• v.21 no.4
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• pp.155-183
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• 2012

Means-Ends Network model was used to identify factors of means objective(means supplied by vendor) and fundamental objectives(purchasing motivations) for purchasing decision-making structure and dimensions of customer values on purchasers of internet shopping mall in Korea and China. In Means-Ends Network 6 factors(shopping travel, shipping assurance, vendor trust, online payment, product choice, and recommender systems) were found as a means objectives and 3 factors(shopping convenience, internet environment, customer support) as a fundamental objectives of shopping. However the results of hypotheses test for Means-Ends Network show some important differences between two countries. Something important to notice here is that Chinese customers shopping in China recognize shipping assurance factor and vendor trust factor as important factors satisfying all fundamental objectives unlike as in the case of our country. As these two factors are attribution factors responsible to the sellers, it is identified that customers do not trust the sellers and sellers have not met the expectations of customers. Therefore, these results show that the seller efforts assuring the reliability of the seller themselves, such as conducting its own compensation scheme are more important rather than the establishment of the guarantee institution to guarantee reliability and delivery assurance of sellers and implementation of legal and institutional apparatus such as the settlement of e-commerce licence system. Though this study presents such an important marketing implications, it can be pointed out that the limits are this research was done on the general Internet shopping malls without considering the Internet shopping mall types of diversity, the survey was designed around the student samples for convenience of the investigation because it was an international survey and the collected data has been limited to the western coast cities, such as China's Beijing, Shanghai, and Dalian.

• Culinary science and hospitality research
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• v.19 no.5
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• pp.225-233
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• 2013

This study did a sample survey of five wine sellers located in Seoul to analyze wine purchasers' selection attributes based on the taste of food. Total 180 copies of questionnaire were used. The frequency analysis, t-test, and ANOVA were performed using statistics package programs, and the results are as below. The verification result of the taste by the gender of wine purchaser was meaningful in factors such as the taste of overall harmony, taste of food, and taste of 4 flavors. The verification result of the taste by the educational background of wine purchaser was meaningful with the taste of overall harmony, taste of food, and taste by recipe. The verification result of the taste by the income of wine purchaser turned out to be meaningful with the taste of overall harmony, taste of 4 flavors, and taste by recipe. The verification result of the taste by the eating and drinking frequencies of wine purchaser turned out to be meaningful with the taste of overall harmony, taste of 4 flavors, and taste by recipe.

• Journal of the Korean Society of Food Culture
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• v.33 no.5
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• pp.403-410
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• 2018

This study was conducted to evaluate children's purchase behavior (frequency of snack consumption and purchase) and preference for high protein snack products developed for weight control and nutritional balance. A total of 80 elementary school students (from the 3rd to 6th graders) in the Gyeonggi-do learning center were participated and 76 were used for the analysis. The most common response for liking snacks was taste (71.4%), and the most preferred types of snacks were chips (42.1%) and puff snacks (34.2%). The highest frequency of snack ingestion was 1-3 times per week (48; 63.2%), and the main purchasers were parents (65.8%). Cheese, corn and chili flavors were more preferred than the control, while yogurt taste was slightly less preferred than the control. The results of this study showed the possibility of commercialization of new protein snacks according to children's seasoning preference and provide the insights into the snack preferences of children as main consumers.

• Journal of the Korean Society of Clothing and Textiles
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• v.23 no.2
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• pp.250-261
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• 1999

This study is designed to classify consumer groups based on their perception toward department store credit cards and the behavior they exhibit during the purchase of clothing. This classification is based on the study of factors taken into consideration during shopping and disparities in credit cared usage., The specific goals of this study are the following : First it is to classify female consumers over age 20 into "shopping orientation" types and "clothing purchase behavior" types according to their perception towards department store credit care usage. Second it is to discover the degree of perceived utility of department store credit card in clothing purchases. Third finally it is to assist a department store credit card market researcher establish a marketing strategy to best address consumers; needs and wants in credit card purchases The study methodology utilized and the results found were that : 1. The division of consumers into positive and negative groups based on factor analysis with the positive group found to have favorable attitudes towards department store credit card usage. 2. Classification of female consumers into three " shopping orientations" : fashion purchasing economic value purchasing and convenience purchasing. The positive group were predominantly fashion convenience purchasers who valued low cost and convenience over "fashionability" 3. The three classes of "purchase behavior" used were impulse buying planned buying and unplanned buying. The positive group those who had favorable attitudes toward department store credit cards. made mostly impulse and unplanned purchases while the negative group made largely planned purchasee the negative group made largely planned purchase.

• Journal of Distribution Science
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• v.8 no.1
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• pp.35-42
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• 2010

This study is for finding out the relationship between reactions on POP per consumer purchase trends and major factor for making final purchasing decisions after being exposed to POP from large supermarkets. The following results were obtained after the research. First, consumers displayed higher reaction scores on End-Cap in general among POP advertisements. The factors for making final purchase decision are in the order of function > price > brand for household electrical goods, price > design > function for sundry goods and design > price > function for clothing (including bedding). Second, the results of analyzing the differences based on age on impulsive purchase showed that the lower the age the higher the tendency. Unplanned purchase trend also showed higher when younger. The results of this study showed that there are discrepancies in the theory related with existing POP advertisements, that is, the theory that impulsive purchasers have higher POP responses.