"Difference-in-Difference Test"의 검색결과 입니다.

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테스트영어연습 david carter 방통대중간과제물 ANIMAL TESTING MUST 영작문1 it이력서 영작문2 PLLT

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"Difference-in-Difference Test" 검색결과 3,721-3,740 / 13,348건

Revalidation of the Complex Trial Protocol using participant-oriented countermeasures (Revalidation of the Complex Trial Protocol using participant-oriented countermeasures)

tudy aimed to evaluate whether the CTP can accurately detect deception even in the use of survey-based ... detection rate in participant-oriented countermeasures and suggest the potential use of the CTP in the ... aimed to evaluate whether the CTP can accurately detect deception even in the use of survey-based c

논문 | 27페이지 | 무료 | 등록일 2025.06.24 | 수정일 2025.06.28

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미시교통시뮬레이션을 이용한 3지 교차로 보호-비보호 좌회전 도입 타당성 분석에 관한 연구 (Study of Feasibility Analysis for the Protected-Permissive Left-Turn Signal Control in Three-Leg Signalized Intersections Using a Microscopic Traffic Simulation Model)

ollected from the test site. The VISSIM network was calibrated by adjusting related parameter values in ... scenarios. In particular, the average waiting time per cycle for the left-turn vehicles in the case ... than those in the case with protected left-turns and much higher than those in the case with

논문 | 10페이지 | 무료 | 등록일 2025.06.30 | 수정일 2025.07.05

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학동기 및 청소년 천식 소아들의 임상 양상과 천명 시작 시기와의 관련성 (Clinical characteristics related to onset age of wheeze in school-age children and adolescents with asthma)

lung function tests were also performed.Results: There was no difference in demographics, prevalence ... age of wheeze in school-age children and adolescents with asthma.Methods: Three hundred twenty-six ... flow between 25% to 75% (FEF25%-75%) was lower in groups A and B than in group C, and methacholine PC

논문 | 8페이지 | 무료 | 등록일 2025.07.07 | 수정일 2025.07.10

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장애학생의 사회적 통합을 위한 다층적 하모니 프로그램이 초등 통합학급 학생들의 친사회성, 또래 수용도와 학급 분위기에 미치는 영향 (The Effects of ‘Multi-level Harmony Program’ for Social Inclusion of Student with Disabilities on Pro-social Behavior, Peer Acceptance and Class Climate of Elementary Inclusive Class Students)

to see if there is any difference between two groups in the change of the pro-social behavior, peer ... found in pro-social behavior and peer acceptance, but no difference was found in class climate. The s ... effects of the program on pro-social behavior, peer acceptance and class climate of the students in

논문 | 25페이지 | 무료 | 등록일 2025.07.11 | 수정일 2025.07.19

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한국에서 유통정보기술 투자가 주가에 미치는 영향에 관한 연구 : RFID 사례를 중심으로 (Distribution Information Technology Investment and the Market Value of the Firm : Focusing on RFID case)

Mcwilliams and Siegel (1997) and calculated the Z-values. Using this test statistics we could infer if RFID ... adoption make large differences in abnormal returns across various classifications of the firms ... information technology investment in the pre-2009 time period, the significances of payoffs

논문 | 12페이지 | 무료 | 등록일 2025.06.28 | 수정일 2025.07.04

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The Effectiveness of Chaining to Increase Complexity of Echoics in Children with Autism and Language Delays (The Effectiveness of Chaining to Increase Complexity of Echoics in Children with Autism and Language Delays)

echoic behavior was tested with an untrained word. Results indicated clear differences in the level ... echoic responses with multi-syllable words in two children with autism spectrum disorder (ASD) and ... word. Results indicated clear differences in the level of correct responding between baselines and

논문 | 15페이지 | 무료 | 등록일 2025.05.24 | 수정일 2025.05.27

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소아 제2형 당뇨병에서 발생한 발진황색종 1예 (Eruptive Xanthoma in a Child with Type 2 Diabetes Mellitus)

DM in a 12-year-old female. She was diagnosed of type IV hyperlipoproteinemia,through a lipid profile ... hyperlipoproteinemia and eruptive xanthoma, associated with DM in a 12-year-old female. She was ... xanthoma can appear,according to different subtypes of hyperlipopoteinemia, which is caused by only primary

논문 | 3페이지 | 무료 | 등록일 2025.06.12 | 수정일 2025.06.17

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전방머리자세에서 목근육 근활성도에 대한 맥켄지 신장운동과 어깨 안정화운동의 효과 비교 (Comparison between McKenzie Stretch Exercise and Scapula Stability Exercise on Neck Muscle Activation in the Forward Head Posture)

difference of a electromyography activity changes between the pre-test and post-test in the experimental ... changes between the pre-test and post-test in the experimental group. Conclusion : This study s ... activities between scapular stability and McKenzie stretch exercise in the forward head posture subjects

논문 | 8페이지 | 무료 | 등록일 2025.06.18 | 수정일 2025.06.26

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회고적 에세이를 통해 분석한 우리나라 대학원생들의 영어 학습 동기, 탈동기화, 재동기화 요인 (Constructs of Korean Graduate Students’ English Learning Motivation, Demotivation, and Remotivation Through Analyzing Retrospective Essays)

, high test score, teacher, salient goal, and university English-classes. These results indicate that ... majoring in English education at a graduate school located in Seoul. They were asked to write ... retrospective essays on their English learning from kindergarten to the present day. In order to analyze

논문 | 21페이지 | 무료 | 등록일 2025.07.13 | 수정일 2025.07.20

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셀프서비스 기술의 의인화와 소비자 충성도의 관계에 관한 연구: 즐거움의 매개역할을 중심으로 (A Study on the relationship between Anthropomorphism of Self-service technologies and Consumer Loyalty: Focusing on the Mediating Effect of Enjoyment)

-anthropomorphized between-subjects design to test the differences in consumers’ loyalty and enjoyment according ... present research explores the difference in consumers’ behavioral and attitudinal loyalty according to ... , and emotion in non-human agents’ behavior. By definition of anthropomorphism, consumers using

논문 | 24페이지 | 무료 | 등록일 2025.07.10 | 수정일 2025.07.19

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이산화탄소/프로판 혼합냉매의 수평평활관 및 마이크로 핀관에서의 증발열전달에 관한 실험적 연구 (Experimental Studies on the Evaporative Heat Transfer Characteristics of CO₂/Propane Refrigerant Mixtures in Horizontal Smooth and Micro-fin Tubes)

Evaporation heat transfer characteristics of CO₂/propane mixtures in horizontal smooth and micro ... . Evaporation heat transfer characteristics of CO₂/propane mixtures in horizontal smooth and micro-fin tubes ... -fin tubes have been investigated by experiment. The experiments were carried out for several test c

논문 | 10페이지 | 무료 | 등록일 2025.07.16 | 수정일 2025.07.20

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심해저 망간단괴 양광펌프의 최적설계를 위한 3차원 고-액 전산유동해석 연구 (Numerical Study on Three-Dimentinal Solid-Liquid Flow for the Optimum Design of Lifting Pump)

performed to understand the flow characteristics of solid-liquid mixtures in lifting pipes and to ... 심해저 양광시스템의 핵심부품인 양광펌프의 최적설계를 위해 3차원 고체-액체 2상 유동에 대한 전산해석을 수행하였다. 비정상상태 전산해석을 통해 두 가지 형태의 펌프의 입구부 형상 ... enhance the performance of the lifting pump for the mining tests at the offshore areas. The analysis

논문 | 7페이지 | 무료 | 등록일 2025.06.02 | 수정일 2025.06.05

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석류가 갱년기 장애를 유도한 흰쥐의 혈 중 지질 함량에 미치는 영향 (Effects of Punica granatum L. Extracts on Serum Lipids Level in Ovariectomized Rats)

different between groups by t-test. The levels of total-cholesterol and triglyceride in serum were ... efficiency ratio were not significantly different between groups by t-test. The levels of total-c ... lipid concentration in rats, Sprague-Dawley female rats were randomly assigned to groups as follows

논문 | 6페이지 | 무료 | 등록일 2025.07.01 | 수정일 2025.07.05

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커피 브랜드의 가격과 구매의사결정과정에 관한 연구: 중저가(中低價) 커피 브랜드를 중심으로 (The Research about Price of Coffee Brands and Decision Making Process for Purchase: Focused on Medium-Priced and Low-Priced Brands)

-priced coffee brands’ decision making processes for purchase in pre-purchasing test and necessity ... -priced coffee brands’ decision making processes for purchase in pre-purchasing test and necessity ... midium- low and midium-high-priced coffee brands in capital area including Gyeonggi-do Province, within

논문 | 12페이지 | 무료 | 등록일 2025.07.01 | 수정일 2025.07.05

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파풍망 종류에 따른 키위의 발아, 개화 및 과실 특성 (Budbreak, Floral Bud and Fruit Characteristics of Kiwifruit as Affected by Various Windbreaks)

- and white-colored nets were tested in pipe-framed archtype kiwifruit vineyards as the covering ... windbreaks. METHODS AND RESULTS: Five different windbreak materials including polyethylene film (PE), blue ... more than 400 μmol m-2 s-1, in which kiwifruit leaf could reach its maximum photosynthesis, since

논문 | 6페이지 | 무료 | 등록일 2025.07.16 | 수정일 2025.07.20

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중학생 대상 학업조력활동을 위한 요구분석 (Needs Analysis for Academic Assistance on Middle School Students)

between importance and performance but also the difference in academic problems in relation to academic ... hoolwork and obsessing over test results, the cognitive-side problems of problem solving strategies ... for test, and the environmental-side problems of being compared to siblings or friends by parents. As

논문 | 22페이지 | 무료 | 등록일 2025.05.22 | 수정일 2025.05.26

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전기방사를 통해 제조된 고성능 에어필터여재의 다중층 구조에 따른 여과특성 (Filtration Properties of Multi-Layered Structures of High-Performance Air Filter Media Manufactured via Electrospinning)

aerosol 0.3 um @32 l/min) and capillary flow porometer (CFP). In thecase of a single-layer c ... ertain level(20wt%). However, the addition of CTAB enabled electrospinning in low-concentrationpolymer ... solutions. In the case of a multi-layered configuration, the pore size uniformity wasincreased by the

논문 | 10페이지 | 무료 | 등록일 2025.07.11 | 수정일 2025.07.19

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패션소비자의 환경지식, 친환경 태도가 친환경 패션제품 구매에 미치는 영향 (Environmental Knowledge, Eco-Friendly Attitude and Purchase Intention about Eco-Friendly Fashion Products of Fashion Consumers)

are notable differences in environmental knowledge, eco-friendly attitudeand purchase intention ... intention. In addition, there are notable differences in environmental knowledge, eco-friendly attitudeand ... onducted by a survey of 330males and females fashion consumers in their 20s-40s who experienced eco

논문 | 10페이지 | 무료 | 등록일 2025.07.11 | 수정일 2025.07.19

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유아의 의사소통 능력이 사회적 유능성에 미치는 영향에서 또래놀이의 이중 매개효과 (The Impact of Young Children’s Communication Skills on Social Competence: The Double Mediating Effect of Peer Play)

-mediating effects. Sobel's test was used to verify each mediating effect contained in the model. Multi ... . Sobel's test was used to verify each mediating effect contained in the model. Multi-group analysis was c ... ocial competence. Fourth, there was no difference according to the gender group in the double

논문 | 10페이지 | 무료 | 등록일 2025.07.14 | 수정일 2025.07.20

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대학생 자기관리역량 향상 프로그램 효과 분석 (The Collegiate Self-Management Competencies Improvement Program and an Analysis of Its Effects)

University in 2013. This study used the method of Paired-sample T-Test to investigate the difference of ... their self-management competencies and its sub-skills between the two participant groups. In summary ... effective in advancing their self-management competencies helpful for students to experience a better

논문 | 23페이지 | 무료 | 등록일 2025.05.21 | 수정일 2025.05.26

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