• Title/Summary/Keyword: Effect Difference

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A Study on the Effect of Airline Staff's Contradictory Attitude between Aviation Safety and Aviation Security to Organizational Effectiveness (항공사 조직구성원의 항공안전과 항공보안에 대한 상충적 태도가 조직효과성에 미치는 영향 연구)

  • Kim, Chang-Woo;Kim, Kee-Woong;Park, Sung-Sik
    • Journal of the Korean Society for Aviation and Aeronautics
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    • v.28 no.2
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    • pp.18-28
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    • 2020
  • This paper has studied the effect of airline staff's perception on both aviation safety and aviation security to their organizational effectiveness. Airline staff's perception on aviation safety is different from that on aviation security due to organizational difference in an airline. Through an empirical analysis, it was analyzed the effect of such perceptional difference on airline's organizational effectiveness. According to the analysis, it was found the perception of aviation safety has a significant positive effect on organizational effectiveness. Airline staff believed the safety is a core value of an airline and emphasizing the safety never impeded the airline's operation including service quality. Secondly, it was proven the perception on abiding by aviation security rules had a significant negative effect on organizational effectiveness. However, emphasizing aviation security had a very significant positive contribution on airline's philosophy of aviation safety. Following the research results, it was suggested an airline look for improving the process and regulations to deal with aviation security in the organization.

Meta-regression analysis for anti-diabetic effect of green tea (녹차의 항-당뇨 효과에 대한 메타회귀분석)

  • Yun, A-Reum;Choi, Ki-Heon
    • Journal of the Korean Data and Information Science Society
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    • v.22 no.4
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    • pp.717-726
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    • 2011
  • The present study was carried out to summarize the effect of green tea in the diabetic rats by meta-analysis related studies. The association measure to test effect of green tea was Hedges' standardized mean difference. In this particular fixed effect model, body weight was significantly increased. Also, blood glucose, triglycerides were significantly decreased. In this case of heterogeneous variable, random effect model was applied. In this model, body weight was significantly increased. Also, blood glucose was significantly decreased in green tea treated group. According to the Meta-regression analysis, duration of injection was not significant for variables.

A Study of the Effect of Customer Quality on Service Quality and Performance with a Focus on Hotel Service (고객의 질이 호텔 서비스 품질과 성과에 미치는 영향에 관한 연구)

  • Lee, Jong-Han;No, Hyeon-Su
    • Journal of Applied Tourism Food and Beverage Management and Research
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    • v.16 no.1
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    • pp.21-41
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    • 2005
  • This study proposes the customer quality a parameter of service quality from a new perspective, develops and evaluation scale for it in relation to service business, analyzes and evaluates the its effect on service quality and performance. First, the concept of service quality and customer quality was investigated in the literatures, to find a basis for its relation to the quality of hotel service. However, previous 1) Among the service quality components, the strongest correlation exists between physical quality and service quality. 2) Hotel quality is most influenced by customer quality, followed by service provider quality and physical quality showing that when customer quality is incorporated as a prerequisite parameter if hotel quality it has the most effect on hotel quality, which is a new result. 3) Customer quality plays a significant indirect role via hotel quality on performance, and the physical quality and service provider quality offered to the customer at a hotel have more direct effect on performance, illustrating the difference in the effect on hotel quality depending on the component of hotel quality. 4) The evaluation of hotel quality and performance becomes more meaningful and valid only when customer quality is included as a prerequisite parameter of hotel quality to strongly interact with service provider quality 5) Comparative analysis of the different qualities according to the hotel class show a significant difference in customer quality, physical quality and service provider quality and performance between first-class and second-class hotels.

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The Response to Postmodern Fashion Advertisement and Advertising Effect (포스트모던 패션광고에 대한 반응과 광고효과)

  • Choi, Sun-Hyung
    • Journal of the Korean Society of Clothing and Textiles
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    • v.32 no.2
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    • pp.328-339
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    • 2008
  • The purpose of this study is to investigate the difference of the response to fashion ad and its effect between traditional ad and postmodern ad, to examine the difference of the response to fashion ad and its effects according to sensation seeking tendency, and to investigate the effect of the response to fashion ad on its effect. For the purposes of this study, two postmodern ads and one traditional ad were selected as stimuli and data were collected from 230 female college students. The results are as follows: 1) Postmodern advertisement was unique, impacting, hard-to-understand, sensory-stimulating, and fantastic, when compared to traditional advertising. 2) Consumers felt disgusted by confusion and shock coming from postmodern advertising, but at the same time, recognized its value as an advertisement and took more pleasure and fun from it. 3) Consumers with high sensation-seeking-tendency perceived postmodern ads more sensually and showed more positive response to the postmodern ads. 4) While subjective, emotional response affected the attitude toward advertisements, sensory-stimulating affected the attitude toward brand and purchase intention. Thus, cognitive response should also be considered significant to form brand equity in long term.

The Effect of Column Height on Sludge-Water Interface Height Change Model (슬러지계면층높이변화모델에서 컬럼높이에 대한 영향)

  • Park, Suk Gyun;Kang, Seon-Hong
    • Journal of Korean Society of Water and Wastewater
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    • v.20 no.2
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    • pp.265-272
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    • 2006
  • While sludge settles down in a column, sludge settling characteristic is influenced by effect parameters, interparticle force, wall effect etc. As the height of a column changes, the settling velocity of sludge-water interface changes, too. At lower sludge concentration, particular effect was not observed by the difference of column height, however it was observed that settleability of sludge was greatly influenced by column height when sludge settling was poor or sludge concentration was high. It is therefore required to consider the effect of column height when the power model for sludge interface settling is established. In the tests, there was hardly any $SVI_{ts}$(SVI after "t" minutes) difference in each column after 10min at $1.5kg/m^3$ of sludge concentration. When sludge concentration was at $2.5kg/m^3$, $SVI_{ts}$ tended to be constant after 20min. At $3.5kg/m^3$, $SVI_{ts}$ increased to 30minuets. The purpose of this work is to establish the correction factor that is able to compensate the errors derived from each different height of column.

Comparison of Extracorporeal Shock Wave Therapy Versus Injection Therapy for Shoulder Disorders: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

  • Dajeong Kim;Hyunjoong Kim
    • Physical Therapy Rehabilitation Science
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    • v.12 no.1
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    • pp.48-55
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    • 2023
  • Objective: The purpose of this study is to compare the effects of extracorporeal shock wave therapy (ESWT) and injection therapy through qualitative and quantitative analysis by synthesizing randomized controlled trials (RCTs) conducted on patients with various shoulder diseases. Design: A systematic review and meta-analysis of randomized controlled trials Methods: This review conducted a literature search through international electronic databases in January 2023 to compare the effects of ESWT and injection therapy. Qualitative analysis was performed as a risk of bias tool, and quantitative analysis was synthesized with a random effect model to show the effect size as a standardized mean difference (SMD). Results: Five RCTs involving 298 individuals with shoulder disorders were included in this systematic review and meta-analysis. ESWT showed a moderate effect on pain (SMD=-0.44; 95% CI, -0.95 to 0.06) and a large effect on shoulder function (SMD =-0.81; 95% CI, -1.70 to 0.07) than injection therapy. A significant difference was found in the shoulder range of motion, showing a large effect size (SMD=1.50; 95% CI, 0.58 to 2.43). Conclusions: When considering treatment options for the management of patients complaining of shoulder disorders, it is appropriate to recommend ESWT first rather than injection therapy to increase the range of motion of the joint. In addition, ESWT is safe for pain control and shoulder function improvement, and a positive prognosis could be expected.

A Study of Perceptual Difference about Service Quality between Service Providers and Users - Focused on the Administrative Services of University - (서비스 제공자와 서비스 이용자 간의 서비스품질에 관한 인식 차이 연구 - 대학 행정서비스를 중심으로 -)

  • Park, Eui-Jung;Yoo, Han-Joo;Song, Gwang-Suk
    • Journal of Korean Society for Quality Management
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    • v.39 no.1
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    • pp.78-89
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    • 2011
  • A study for service quality is actively done but that for the quality level of the provided service recognized by the service provider for the same service, and for the difference in quality level of service use recognized by the service user is not relatively widely done. Thus, this study analyzed difference between the quality level of the provided service recognized by the service provider and the quality level of service use recognized by the service user, around administrative service as one of cores of the university service, and examined how difference between both service qualities have effect on business the business satisfaction level of the service provider. We measured the service level provided by the individual in charge of the administrative service of the A-university and examined the service quality in business by use of questionnaires. As the result, it was appeared that the quality level of the provided service recognized by the service provider for the same service quality was higher than the quality level of service use recognized by the service user. In addition, it was found that the quality level of the provided service recognized by the service provider had a significant effect on the service provider's business satisfaction level but the quality level of service use recognized by the service user had not effect on the business satisfaction level of the provider.

A Study on the Patterns of Men's Drawers Panties (남성 드로즈(drawers) 팬티의 패턴 분석)

  • Lee, Jung-Jin;Lee, Jung-Soon
    • Journal of the Korea Fashion and Costume Design Association
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    • v.18 no.1
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    • pp.169-181
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    • 2016
  • This study analyzed the characteristics and patterns of men's drawers panties to get basic data for their design. For this, drawers panties in 7 different brands (4: domestic brands, 3: imported brands) in terms of a front-center shape were collected, and the shape of men's drawers panties, characteristics of the materials, dimensions & type of patterns by the part and front-center patterns were analyzed. The study results found the followings: First, in terms of the shape of men's drawers panties, the front-center part were designed to rest the penis and scrotum in a natural and comfortable manner without a pee slit. They were seamless on the sides except for one product with side seams. Second, the drawer panties were made of elastic polyurethane materials. Specifically, domestic brand items used warm, elastic and durable nylon, polyester and rayon and polyurethanes while imported brands were mostly made of absorbent and sanitary polyurethanes. Third, regarding a size of drawer panties by part, imported brands were large in waist circumference. In terms of waist breadth at the front center, there was difference depending on an oval type. In addition, the front length at the front center differed by product, revealing difference in three-dimensional effect at the front center. The side length also differed greatly by product, which means that there might be a great difference in wear comfort. Fourth, in terms of the patterns of men's drawers panties, there was difference in side seams, center back seam and front-center patterns. Among a total of 7 products, only one product had side seams, and center back seams were found in two products only. Fifth, in terms of front-center patterns, the drawer panties can be divided into three types, creating three-dimensional effect not to give any pressure on the crotch: i) the cutting line only at the bottom of the front center part where the penis is rested, ii) puff created at the front center by adding a transverse line to the center line, iii) cutting transverse line to separate the penis from the testicles.

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Effect of Supplmental Lactobacillus on Laying Performance, Intestinal Microflora and Egg Quality (유산균의 첨가 급여가 산란 생산성, 소화기관 미생물 변화 및 계란 품질에 미치는 영향)

  • 김상호;박수영;유동조;이상진;강보석;최철환;류경선
    • Korean Journal of Poultry Science
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    • v.27 no.3
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    • pp.235-242
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    • 2000
  • A feeding trial was carried out effect of supplemental Lactobacillus on productivity, egg quality and intestinal microflora in 320 21 weeks - old laying hens for 12 week. Supplemented Lactobacillus strains were Lactobacillus amylovorus LLA7(LA), Lactobacillus crispatus LLA9(LC) and Lactobacillus vaginalis LLA11(LV). Three strains mixed to basal diet which containing 2,800㎉/kg ME, 16% CP with none, LA, LC, LV, LA+LC, LA+LV, LC+LV and LC+LC+LV. Supplemental level was 10(sup)7 cfu/g diet. Egg production was tended to increase with adding Lactobacilus, but not difference significantly. Average egg weight was heavier in adding Lactobacillrs compared to the none, and heaviest in LA+LV, LC+LV(P〈0.05). In periodic observation, the gap of egg weight with adding Lactobacillus or not was severe persisting laying periods. The diet containg MC or LV was better than LA, which means the difference by Lactobacillus strains for egg weight. Daily egg mass also increased in adding Lactobacillus about 1.1 to 2.3 g/hen, but not difference significantly. Feed intake and feed conversion were not difference regardless Lactobacillus strains and laying periods. Haugh unit improved with adding Lactobacillus. Cecal Lactobacillus spp. was increased with adding Lactobacillus(P〈0.05), didn't observed E. coli depression. In summary, supplemental Lactobacillus could improve for egg production, egg weight, egg mass and egg white. And those of effect expect much beneficial with mixing Lactobacillus which established well as single strain.

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The Effect of Punsimgieumgamibang on Sleep Disorder and Emotionality in Animals (분심기음가미방(分心氣飮加味方)이 타면장애(唾眠障碍)와 정서성(情緖性)에 미치는 영향(影響))

  • Hu Yong-Suk;Kim Jong-Woo;Whang Wei-Wan;Kim Hyun-Taek;Park Soon-Kwon;Kim Hyun-Ju
    • Journal of Oriental Neuropsychiatry
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    • v.11 no.2
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    • pp.43-52
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    • 2000
  • This sudy aimed to evaluate the effect of Punsimgieum-gamibang(分心氣飮加味方) on emotionality and sleep disorder. Punsimgieum(分心氣飮) has been used for insomnia, trembling, emotionality caused by strong mental stimulation and continuous stress in Oriental Medicine. And it was reported that Punsimgieum had anti-stress and anti-depression effect. Animals were devided into two groups : control group and Punsimgieum-gamibang group.Emotionality was tested in open-field with five indexes : walking, rearing, grooming, excretion and start latency. For the study of sleep disorder, after two groups had been given caffeine into abdomen, activity amount in animals was assessed for daytime and then the average percentage of sleep in two groups was calculated.The following results were observed.1. In peripheral and central partition, meditaion group walked more than control group. The difference between two groups was statistically significant.2. In rearing and grooming frequency, there was difference between two groups, but it was not statistically significant. 3. In grooming. excretion and start latency. there was no difference between two groups.4. There was no difference in the average percentage of sleep between two groups.

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