• Title/Summary/Keyword: direction preference

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Morphology, Phylogeny and Ecology of Hyphomycetes Hyperparasitic to Rusts

  • Park, Mi-Jeong;Park, Jong-Han;Hong, Seung-Beom;Shin, Hyeon-Dong
    • 한국균학회소식:학술대회논문집
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    • 2015.05a
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    • pp.55-55
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    • 2015
  • Rust is one of the most destructive diseases on economically important plants such as agricultural and horticultural crops, as well as forest trees [1]. Chemical treatment is the most effective means to control rust, but use of the chemical fungicides involves inevitable risks to human health and environment [2]. Unfortunately, biocontrol is currently impracticable for rust disease management [3]. It is necessary to exploit biocontrol agents to help prevent rust diseases. As a fundamental research for future development of biocontrol agents for rusts, biodiversity of hyperparasites occurring on rust fungi was investigated. During 2006-2010, 197 fungal isolates of the rust hyperparasites were collected and isolated from various combinations of mycohosts and plant hosts in many regions of Korea. Based on morphological and molecular data, they were identified as 8 genera and 12 species. Besides, phylogenetic relationships between the hyperparasites and related taxa were inferred. A total of 114 isolates of Pseudovirgaria were obtained from rust pustules of Phragmidium spp. and Pucciniastrum agrimoniae infecting rosaceous plants. Phylogenetic analysis using multigene sequences revealed a high level of genetic variability among many isolates of Pseudovirgaria and close correlation between the isolates and mycohosts. Only two species of Pseudovirgaria, P. hyperparasitica and P. grisea are often difficult to distinguish by their morphological similarity, but on the molecular basis they were clearly differentiated from each other. There had been no previous record of P. grisea outside Europe, but the present study has proved its presence in Korea. Among six distinct groups (five of P. hyperparasitica and one of P. grisea) within the Pseudovirgaria isolates, each lineage of P. hyperparasitica was closely associated with specific mycohosts and thus might have cospeciated with their mycohosts, which probably led to coevolution. Although P. grisea possesses a host preference for Phragmidium species occurring on Rubus, it was not specific for a mycohost. P. grisea seems to evolve in the direction of having a broad mycohost range. Seventeen isolates of Verticillium-like fungi were isolated from rust sori. Based on morphological data and DNA sequence analysis, the isolates were identified as three Lecanicillium species, viz. L. attenuatum, Lecanicillium sp. 1, Lecanicillium sp. 2, and V. epiphytum. The unidenified two species of Lecanicillium appear to be previously unknown taxa. Sixty-six isolates of miscellaneous hyphomycetes belonging to 6 species of 5 genera were obtained from pustules of rust fungi. On the basis of morphological and molecular analyses, the miscellaneous hyphomycetes growing on rusts were identified as Acrodontium crateriforme, Cladophialophora pucciniophila, Cladosporium cladosporioides, Phacellium vossianum, Ramularia coleosporii, and R. uredinicola.

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The Effect of Foreign Investment on Dividend Yield Ratio of KOSDAQ Firms (벤처.중소기업의 외국인지분이 배당수익률에 미치는 영향에 대한 연구)

  • Chung, Won Sub
    • Asia-Pacific Journal of Business Venturing and Entrepreneurship
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    • v.9 no.5
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    • pp.129-139
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    • 2014
  • This study supplements the limitation as much as possible that existing literatures have, and, on the target of new registered businesses to KOSDAQ, this study presents answers to the worries raised earlier by recovering problems on causal relationship direction between foreigner investment and dividend level and by analyzing them with dividend level as an independent variable. First, with the whole samples used, dividend income rate didn't show significant relationship with foreigners' investments. It is similar to study result of the existing literature. A panel analysis, on the target of sample businesses that paid dividends before foreigners' investments originated, showed that foreigners' investments didn't have a significant effect on dividend rate. It means that foreigner investors don't have an effect on dividend level. But, a panel analysis of samples shows that foreigner investments have a significant thesis relationship with dividend level variable, that is dividend return rate, except the businesses which paid dividend before foreigners' investments originated. It means that in case foreign investors' preference is controlled, in the businesses which pay dividends, foreign investors have a significant effect on dividend level to native KOSDAQ. Especially, this study result is very significant, for it shows that dividend return rate, insignificant in existing studies, was significant when foreigners' preferences to the businesses which pay dividends was controlled. It means that the more foreigners' shares increase, the more relative importance of dividend out of all profits increases, compared with all of the amounts at the time, and that foreign investors stick to short-term profit and induce big dividend.

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The Effects of Entrepreneurship of Real Estate Broker's on Performance: Moderating Effect of Entrepreneurship Education (소규모 부동산중개업 경영인의 창업가 특성이 경영성과에 미치는 영향: 창업교육의 조절효과를 중심으로)

  • Cho, Jun-Hee;Kim, Chul-Joong
    • The Journal of the Korea Contents Association
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    • v.12 no.10
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    • pp.408-417
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    • 2012
  • This study analyzed the effect of entrepreneurship of real estate broker's on subjective performance, and confirmed if a entrepreneurship education between them has moderating effects. The research results of the analysis are as follows. First, needs for achievement and risk taking of real estate brokerage were significant with subjective performance, which is the dependent variable, and it was shown as the positive (+) direction. This means entrepreneur factors of high needs for achievement or submitting to risk preference have a significant effect in subjective performance. Second, moderating effect of a business school was only shown in needs for achievement. As a result of analysis after classifying it into two groups according to completion status of a entrepreneurship education, it was shown the group that took a entrepreneurship education has higher beta(${\beta}$) than the group that did not take a entrepreneurship education. In other words, real estate brokerage who took a entrepreneurship education shows increase in needs for achievement, which is the entrepreneur factor. This signifies a business school has a positive effect in subjective performance. Third, as a result of t-test for completion status of a entrepreneurship education and financial performance, it was shown the group that took a entrepreneurship education showed higher average of sales and net income than the group that did not take a entrepreneurship education. The net income, in particular, showed about the double difference.

An Analysis of 'One Book's Selected in Twenty Years of 'One Book, One City' Reading Campaigns in the U.S.A. (미국 '한 책, 한 도시' 독서운동 20년과 '한 책'의 분석)

  • Yoon, Cheong-Ok
    • Journal of the Korean Society for Library and Information Science
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    • v.51 no.3
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    • pp.45-64
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    • 2017
  • The purpose of this study is to understand the direction of the community reading campaign in the U.S.A. known as 'One Book, One City' reflected in the books selected for this campaign for the past 20 years in terms of their classification numbers, subject headings, publication dates, and genres. Analyzed are the author and state lists of 'One Book, One City' Reading Promotions Projects available from the website of the LC (Library of Congress) Center for the Books, and bibliographic records of 735 books selected in only one 'One Book' program, accessed from LC OPAC. Major findings include continuing influences of the all-time favorite 'One Book' selections, including To Kill a Mockingbird and the extension of their span of life through The Big Read, preference for the recent publications, importance of P (Literatures and Languages) Class (530 titles, 72.1%) and PS(American Literatures) subclass (307 titles, 57.9%) in the LC Classification Scheme, distribution of books in 43 genres, including domestic fiction, historical fiction, and psychological fiction, etc., the use of 535 unique LC subject headings and much interests in "City and town life" (10 titles) and "World War, 1939-1945" (8 titles), and prominence of subject groups which begin with "African American..." and "Woman..." out of 96 groups of subject headings. It is found that the subjects and focus of the selected books expand from integration, understanding, integrity to human rights, environment, peace, etc. The limitations of this study is that the influence of the selected books and the changes in communities are not properly analyed.

Feasibility Survey on the Introduction of Forest Land Bank System focusing on Forest Owners, Non-forest Owners, and People Who Return to the Farm (산주와 비산주 및 귀농·귀촌인을 대상으로 한 산지은행제도 도입 타당성 설문조사)

  • Kim, Jong Ho;Kim, Won Kyung;Kwon, Soon-Duk
    • Journal of Korean Society of Forest Science
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    • v.103 no.2
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    • pp.278-286
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    • 2014
  • Forestry management problems in South Korea have been caused by small and scattered forest lands, aging forest owners, and the increase of absentee forest owners. To solve these problems, it is a time to consider the introduction of forest land bank system for the expansion of forestry management scale, the effective management of neglected forest lands, and the stable livelihood support for aged forest owners. Therefore, this research implemented the questionnaire survey of necessity, expectation, willingness to use, and introduction plans for the forest land bank system in order to examine the feasibility and demand of the system focused on forest owners, non-forest owners, and people who return to the farm. The questionnaire survey was conducted for 262 of resident forest owners, 152 of absentee forest owners, 427 of non-forest owners, and 101 of people who return to the farm. 77.5% of forest owners and 63.8% of non-forest owners agreed with the necessity of the introduction for the forest land bank system. Both forest owners and non-forest owners would prefer to use forest land reverse mortgage and leasing among projects of the forest land bank. In addition, 75% of people who return to the farm also expected that forest land bank would be helpful to their rural and mountain life, and they would have higher preference to participate in leasing and buying forest lands than other projects. Based on the outputs of the feasibility and demand survey in this research, this study can play a key role in determining basic direction, major functions, types and range of projects as well as providing information for establishing policies of the forest land bank system.

A Research on Design Direction for the Smart Walking Wear to Support Walking Exercise for the Baby Boomer Group (베이비부머 집단을 위한 보행 운동용 스마트 워킹웨어의 디자인 방향 연구)

  • Ban, Hyunsung;Hwang, Sujung;Kim, Sinhye;Lee, Joohyeon
    • Science of Emotion and Sensibility
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    • v.21 no.3
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    • pp.129-140
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    • 2018
  • This study aimed to analyze consumers' acceptance of sports applications and smart sportswear to better design technology-enhanced walking exercise wear for the Baby Boomer generation based on their cohort characteristics. A questionnaire with items related to acceptance of existing smart sportswear design, functionality, and usability as well as existing sports application design, functionality, and usability was sent to consumers aged 50-65. Of 163 questionnaires distributed, 150 were used for analysis. The results showed that middle-aged consumers were aware of smart sportswear's functional stability, but were concerned about care, durability, and convenience. Middle-aged consumers were also aware of sports applications as educational functions for obtaining new information. Additionally, they found sports applications to have lower perceived convenience and accessibility relative to the young generation, highlighting the need for simple instructions and explanations for sports application planning. Based on these results, we propose "Everyday design for general sportswear," "Functions based on consumer's preference," "Enhanced design for durability and management convenience" for designing and planning walking exercise wear for middle-aged consumers, and "Convenient application organization" and "Educational exercise contents" for application planning for walking exercises.

A Study on the Effective Display Method of Optician's Shop (안경원의 효율적인 디스플레이 방법에 관한 연구)

  • Han, Sun-Hee;Kim, Bong-Hwan;Han, Myung-Hee;Kim, Chung-Mi;Lee, Seung-Hyun;Jin, Kang-Hun;Lee, Hae-Jin;Jeong, Hyo-Jin
    • Journal of Korean Ophthalmic Optics Society
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    • v.17 no.1
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    • pp.11-18
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    • 2012
  • Purpose: The purpose of this study was to research the display of optician's shop through questionnaire to suggest the direction for more effective display method. Methods: The study visited 50 optician's shops located in main area of Ulsan (university street, downtown and residential street), performed questionnaire and researched optician's display preference. Results: The displays preferred by opticians were as follows. They displayed contact lens in entrance of shop, displayed sunglasses in the wall rather than displayed them in the center of shop and displayed medium or low price products in the center so that consumers could access them conveniently. In addition, they prepared resting place for customer's convenience by locating it in entrance or inside of shop. Conclusions: It seems that effective display of optician's shop can attract consumer's mind and improve purchase, resulting in significant change of optician's shop sales. Therefore, it is necessary to perform the study to use systematic, discriminated display strategy so that shop image can be controlled consistently and continuously.

Gender Differences and Gender Stereotype in Play Style among Young Korean Gamers (한국 남녀 청년 게이머의 플레이 취향과 성차 및 성 고정관념)

  • Song, Doo Heon;Park, Sojin;Yang, Seung Won;Yang, Yunjung;Won, Kyohyun
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.21 no.1
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    • pp.72-81
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    • 2017
  • There is a common misbelief that female gamers prefers simple cute easy games so that they are incompetent if higher skill level is required or disqualified to be a winning party member in MMORPG. This pink game theories are the results of video game analysis done in US and Europe way before online games and mobile games become popular thus. there are many evidences that such misconceptions do not hold anymore. However, researches on gender game culture and gender preferences have not been seriously conducted since 2007 in Korea. Thus, in this paper, we surveyed 88 male and 151 female gamers from their late teens to 30s and found a gap between behavior and perception due to serious gender stereotypes. Gender differences are still found in several areas, but the degree of differences were weakened or in different direction from 2007. The game design to attract female gamers should understand such gender gaming culture and gender difference.

Womenswear Collections based on Italian Fashion Market Trends-utilizing 1990's demographics data- (이태리 패션시장 트렌드 분석을 통한 여성복 컬렉션 기획-1990년대 통계자료를 중심으로-)

  • 김유경
    • Journal of the Korean Society of Costume
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    • v.38
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    • pp.193-211
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    • 1998
  • Without a solid marketing system in placed, the fashion industry cannot flourish on out-standing design or technology alone. Even though the significance of collecting and analyzing information, merchandising, and retail distribution is recognized, these functions are not firmly rooted or prevalent in our industry. In contrast, Italy which possesses similar demographic traits such as the lack of natural resources and other physical factors has succeed-ed in globalizing its fashion market by responding swiftly and exercising flexiblity to its constantly changing consumer demand. This in turn has earned Italy the competitive edge in the global fashion arena. Italy's unique management skills and operation know-how, along with successful market strategies come into play in bringing competitiveness to Italy's fashion market. Firstly, smaller companies with ability to adopt swiftly to the ever changing market. Secondly, fashion friendly social environment. Thirdly, niche marketing through highly specialized system and differentiation. Fourthly, timeless innovation through intense corporate competition. Lastly, establishment of foundations to support the industry through diverse networking. The alone building blocks have formed a basis for erecting an unparalleled market with a reputation for excellence in design and quality in the global fashion world. This study has examined how Italy's fashion industry has evolved from an underdeveloped textile business into a cutting edge fashion in-dustry. Italy's unique business processes and practices were studied to come up with a collection and merchandising ideas in a niche market. By selecting this venue we are able to continuously grow and develop in a market with diverse consumer needs. To analyze the Italian fashion market, data from 3 institutions were utilized, namely, CIT-ER which has provided consumer trends and sales analysis, SITA,a data service provided statistics from the textile and apparel businesses, and NBI has also furnished valuable data. Italian consumer preference, buying behavior, consumer profile, retail channels and other related data from the above institutions has formed a backbone for market segmentation and target markets, and as a result, we were able to zero in on the type of consumer, produce, pricing and retail channels for our womenswear. Going forward the direction is to elevate product image and pretige, and create syn-ergy between related industries, and at the same note, in order to develop internationally recognized brands such as Max Mara and Benetton. Certain elements such as the specialization of the fashion industry, alon-g with fashion-related data base and systems support, and most importantly experts with acute fashion sense and capacity to analyze pertinent data are in need. I firmly believe that we can achieve Italy's level in the fashion market with support from the government and unrelenting effort within the industry itself, and hope that this report can prove to be useful.

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Investigating the Efficiency of Various Consumer-acceptance Testing Methods while Developing a Ready-to-eat Meal (덮밥류 편의식에 대한 효과적인 소비자 조사 기법 비교연구)

  • Shin, Weon-Sun;Kim, Ji-Na;Kim, Kyeong-Mi;Park, Jin-Hee;Chung, Jin-A;Chung, Seo-Jin
    • Korean journal of food and cookery science
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    • v.24 no.6
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    • pp.763-770
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    • 2008
  • A taste-testing method that accurately measures consumer-acceptance is critical during the course of the product development stage. Although various types of consumer-acceptance tests are available, the testing protocol appropriate for measuring the acceptance of ready-to-eat-meals (REM) has not yet been verified. In this study, various hedonic taste-testing methods (9-point hedonic scaling, best-worst scaling, open ended response) were compared for their efficiency and power in identifying the preferred REM menu of consumers. Forty-four consumers evaluated the acceptance of five types of REM menu samples consisting of a wide variety of flavors. Consumers initially used the 9-point hedonic rating method to choose the best and the worst sample among the 5 meals tested. Finally, consumers were asked to fill out open-ended comments where they could freely describe their liking and disliking of each sample. The results showed that the REM menu acceptance measured by the 9-point hedonic method that rated best-worst scaling exhibited a similar preference pattern. The open-ended response method could not provide a quantifiable acceptance data but was able to provide supplementary information regarding the limitations of the samples and therefore, provide a general idea of the direction of improvement during the product development.