• 제목/요약/키워드: Short-form

검색결과 1,738건 처리시간 0.026초

Critical Multiple Correlation Coefficient for Improving Mean and Variance in Augmenting Hydrologic Samples

  • Heo, Jun-Haeng
    • Korean Journal of Hydrosciences
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    • 제6권
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    • pp.13-22
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    • 1995
  • The augmenting hydrologic data using a correlation procedure has been used to improve the estimates of the mean and variance at the site of interest with short record when one or more near by sites with longer records are available. The variance of the unbiased maximum likelihood estimator of $ derived by Moran based on the multivariate normal distribytion is modified into the form of Matalas and Jacobs for the biveriate normal distribution to get the critical minimum values of the multiple correlation coefficient which give the improvement for estimating the variance at the site of interest. Those values are tabulated for various lengths of short records and the number of sites.

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회장암 풍화과정에서 생성되는 할로이사이트 입자 및 집합체의 형태 (Morphology of Halloysite Particles and Aggregates in the Weathering of Anorthosite)

  • 정기영;김영호
    • 한국광물학회지
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    • 제9권2호
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    • pp.64-70
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    • 1996
  • Early weathering products of anorthosite were investigated by using scanning electron microscopy in order to trace the development of halloysite particles and aggregates. Tiny short tubes or spheres precipitate on the plagioclase surface in the initial stage of weathering and form the compact globular aggregates. With continued growth, several globules are coalesced into wrinkled halloysite aggregates, and short tubes or spheres in globules grow into long tubes forming sheaf-like aggregates. Particle shape of halloysite varies with changing supersaturation degree of weathering solution, and determines the morphology of halloysite aggregates.

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주 주기성의 제거를 이용한 단기전력수요예측 (Short-Term Power Demand Forecast using Exclusion of Week Periodicity)

  • 고희석;이충식;이철우;최종규
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1997년도 하계학술대회 논문집 D
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    • pp.1177-1179
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    • 1997
  • In this paper, short-term power demand forecast using exclusion of week periodicity presented. Week periodicity excluded from weekday change ratio. Forecast term of five and multiple regression model of the three form was composed. Forecast result was good. Therefore, It Could be the power demand forecast of special day(weekend). This method may contribute improvement of forecast accuracy.

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고령친화도시 점검 단축형 척도의 개발과 타당화 연구 (Development and Validation of a Short Form of the Age-Friendly Community Scale)

  • 박경순
    • 한국콘텐츠학회논문지
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    • 제16권9호
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    • pp.580-589
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    • 2016
  • 본 연구의 목적은 우리나라 실정에 맞는 단축형 고령친화도시 척도를 개발하고 그 타당성을 검증하는 것이다. 이를 위해 WHO의 고령친화도시 점검 항목과 서울시복지재단의 고령친화도시 가이드라인을 비교 분석하고 전문가의 의견을 수렴하여 고령친화도시 점검의 필수 영역과 항목을 도출하였다. 이를 서울시 거주 55세 이상 중고령자와 노인을 대상으로 한 설문조사를 통하여 고령친화도시 척도의 타당도와 신뢰도를 검증하였다. 탐색적 요인분석을 통해 도시환경의 쾌적성, 교통 환경의 편의성, 지역사회 여가활동, 사회참여, 사회적 의사소통, 보건복지서비스 이용 편이, 사회적 배제 경험 등 7개 영역, 27개 문항이 도출되었다. 확인적 요인분석 결과, 모형의 적합도가 양호한 것으로 나타나 구성타당도가 확인되었다. 또한 신뢰도분석, 상관 분석, 타당도분석을 통해 수렴타당성과 내적일관성, 판별타당성이 확보되었음을 확인하였다. 이러한 결과에 대해 논의하고 제언하였다.

미국인 체질진단지 : 검사-재검사법 (Test-Retest Method on Short Form Sasang Classification Questionnaire for American (SF_SSCQ-A) : Pilot Study)

  • 유정희;이의주;박진선;한석균;이준희;고병희
    • 사상체질의학회지
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    • 제21권1호
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    • pp.79-84
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    • 2009
  • 1. Objectives This study was proposed to use the test-retest method to verify the independence and agreement between the questions (Short Form Sasang Classification Questionnaire for American ; SF_SSCQ-A). 2. Methods The questionnaire was administered to 50 American and they were asked to complete the questionnaire again two weeks after the first administration. The final subjects are 42 except of 5 dropouts and 3 insufficient respondents. A reliability analysis for each individual question was conducted using the test-retest method to verify the independence and agreement between the questions. To verify independence, a Chi-square test with crosstabs analysis and p-values was used. The agreement verification was conducted by using the Cohen kappa coefficient. In addition, the constitutional variable was defined as the constitutional attribute of each question, and Pearson's correlation coefficient was confirmed after testing the scale. 3. Results and Conclusions The test-retest method showed that Pearson's correlation coefficients for the results of the two tests ranged from 0.66 to 0.87. The Chi-square test results indicated that there are 7 independent item. Among the other 114 questions, the agreement test revealed that 88 questions (70.5%) showed above common agreement.

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광고 채널로서 틱톡(TikTok) 사용, 동기, 반응에 대한 연구 (Use, Motivations, and Responses of TikTok as an Advertising Channel)

  • 마뤼야오;김소정
    • 한국콘텐츠학회논문지
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    • 제21권2호
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    • pp.507-519
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    • 2021
  • 본 연구는 숏폼(short-form) 동영상 소셜미디어 플랫폼인 틱톡의 이용 동기를 파악하고 틱톡 광고에 대한 소비자의 인식 및 태도를 고찰함으로써 틱톡 광고 효과에 주요한 광고 요인을 탐색하고자 한다. 20-30대 틱톡 이용자를 대상으로 심층 인터뷰를 진행한 결과, 주요 틱톡 이용 동기로는 정보성과 오락성이 도출되었으며 틱톡 특성으로 짧은 동영상, 다양한 콘텐츠 내용, 형식의 참신성이 언급되었다. 또한, 유용성, 오락성, 광고 회피를 위한 조작용이성, 친근감, 상호작용이 주요 틱톡 광고 특성으로 제시되었다. 마지막으로, 틱톡 광고 참여행위는 대체적으로 '좋아요' 클릭, 댓글쓰기, 공유, 구매 링크/광고주 홈페이지 클릭, 광고 제작 참여 등으로 나타났다. 이와 같은 연구 결과는 소셜미디어 광고의 이론적 확장에 기여하고 효율적인 틱톡 광고 전략 수립을 위한 지침을 제공할 것이다.

상부위장관내시경 소견과 핵심칠정척도 단축형을 활용한 정서적 특성 연구 (A Study on Emotional Characteristics Using Upper Gastrointestinal Endoscopic Findings and The Core Seven Emotions Inventory-Short Form)

  • 김광우;고경진;한민석;강성현;강형원;유영수
    • 동의신경정신과학회지
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    • 제33권1호
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    • pp.21-31
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    • 2022
  • Objectives: To perform correlation analysis between the Core Seven Emotions Inventory-Short Form (CSEI-s), Beck Anxiety Inventory (BAI), Beck Depression Inventory (BDI), upper gastrointestinal symptoms, and gastroscopic findings and to compare emotional characteristics with upper gastrointestinal endoscopic findings. Methods: In this study, medical records of 38 participants who visited the hospital for examination purposes or complained upper gastrointestinal symptoms and completed the CSEI-s, BAI, BDI, and Questionnaire for upper gastrointestinal symptoms were analyzed using SPSS (Statistical Package for the Social Sciences) version 25.0. Frequency Analysis, Descriptive Analysis, Independent t-test, Mann-Whitney's U-test, and Correlation analysis were performed. Results: The upper gastrointestinal symptom group showed higher levels of anger, sorrow, depression, and anxiety than the asymptomatic group. On gastroscopy, the normal group had higher levels of Joy than the abnormal group. The reflux esophagitis group showed higher levels of thought, depression, sorrow, and anxiety than the non-reflux esophagitis group. Joy showed a negative correlation with BDI score. However, anger, depression, sorrow, BAI, and BDI score showed positive correlations. Conclusions: Results of this study suggest that CSEI-s can be used to treat patients with upper gastrointestinal symptoms and reflux esophagitis.

AVOD 예능 방송 동영상 클립에 대한 실연자의 기여도 분석 (An Analysis of Performers' Contribution to Entertainment Show Clips on AVOD Platform)

  • 고정민;최용석;정유나;김동영;공태현
    • 한국콘텐츠학회논문지
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    • 제22권8호
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    • pp.115-125
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    • 2022
  • 본 연구는 AVOD 숏폼 플랫폼에서 소비되는 예능 방송 동영상 클립에서 실연자가 클립의 재생수 및 좋아요 수에 미치는 영향을 살펴보았다. 선행연구를 검토해 방송 프로그램 시청요인들과 실연자 화제성 지수를 독립변수로 설정하고, 종속변수는 클립의 재생수와 좋아요수로 설정하여 다중회귀분석을 수행했다. 분석결과, 클립 재생수에는 본방송 시청률, 관찰 예능 및 사전 방송 클립 여부, 실연자 화제성 지수가 정(+)의 영향을, 클립 좋아요수에는 본방송 시청률, 사전 방송 클립 및 재방송 클립 여부, 클립 분량, 실연자 화제성 지수가 정(+)의 영향을 미쳤다. 방송사 채널 점유율과 방송연도는 두 종속변수 모두에 부(-)의 영향을 미쳤다. 실연자의 영향력을 분석하기 위해 회귀분석식의 표준화계수를 본 결과, 클립 재생수에서 실연자 화제성 지수의 표준화계수는 약 0.204로 변수 중 두 번째로 높았고, 좋아요수의 경우 약 0.338로 가장 높았다. 본 연구의 결과는 실연자가 AVOD 숏폼의 흥행에 많은 기여를 하고 있음을 시사한다.

Morphological study of the genus Eucampia (Bacillariophyceae) in Korean coastal waters

  • Lee, Jun Mo;Lee, Jin Hwan
    • ALGAE
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    • 제27권4호
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    • pp.235-247
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    • 2012
  • Regardless of continuous researches, recent researches on the genus Eucampia (Bacillariophyceae) have focused mainly on E. zodiacus f. zodiacus In the present study, species of the genus Eucampia have been studied based on their morphological characteristics. Eucampia species were collected at 24 sites from July 2008 to June 2011 in Korean coastal waters. Species were mainly identified based on the shape of valve, ocellus, and aperture, along with the length and shape of the bipolar elevations. As a result, five Eucampia species were identified: Eucampia cornuta, E. groenlandica, E. zodiacus f. zodiacus, E. zodiacus f. cylindrocornis, and E. zodiacus var. cornigera. E. cornuta and E. groenlandica have long pervalvar axis length, but the others display short or moderate length. Ocellus shape of E. cornuta, E. groenlandica and E. zodiacus f. cylindrocornis are linear ribs, whereas E. zodiacus f. zodiacus and E. zodiacus var. cornigera have radial ribs with central area. E. cornuta and E. zodiacus f. cylindrocornis have long and narrow cylindrical elevations. E. groenlandica and E. zodiacus f. zodiacus have short and broad elevations with blunt tips. E. zodiacus var. cornigera has long and broad conical elevations. In terms of aperture shape, E. cornuta has large elliptical form, E. groenlandica has almost circular to rounded rectangular form, E. zodiacus f. zodiacus has narrow and elliptical rounded rectangular to a narrow lanceolate form, E. zodiacus f. cylindrocornis has almost rectangular form, and E. zodiacus var. cornigera has rounded rhombic form. On the basis of elevations in broad girdle view, 5 Eucampia taxa could be divided into 3 types: 'narrow H type', E. cornuta and E. groenlandica; 'regular H type', E. zodiacus f. cylindrocornis and E. zodiacus var. cornigera (partial); 'wide H type', E. zodiacus f. zodiacus (almost).

Perceived Authenticity through Short Video: Audience Perceptions of Emerging Independent Fashion Designers Self-Presentations

  • YAO, JIAHUI;KIM, SEHWA
    • International Journal of Contents
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    • 제17권4호
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    • pp.101-118
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    • 2021
  • The prevalence of We-Media short videos has attracted emerging independent fashion designers (EIFD), a new force in the fashion industry directing their brand promotion to We-Media for amassing online followers. However, compared to famous content generators, EIFDs' creative, design-based visual appeal has not provided them with the significant edge. The former's success is admittedly supported by the platform backstage algorithm. Yet, the content is the cornerstone for building relationship between the sender and the reception. The authentic perception of the content is one of the basic appeals for which the audience chooses to follow the source. Therefore, with the EIFD short video as the research content, this study is established from the audience's perspective to understand the different dimensions of their authentic perceptions of EIFDs short video. The study was conducted mainly in the form of the Q method. The collection of 52 Q samples were realized through the Focus Group Interview and literature review on multidimensional authenticity. Thirty-six subjects participated in the sorting of the Q-sets. Finally, four dimensions of audience authenticity perceptions of EIFDs were derived: 'ingenuity', 'relevant', 'transparent', and 'experiential'. The corresponding short video content design strategies are suggested for effective communication of EIFDs and their personal brands.