"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 961-980 / 13,352건

가력각도에 의해 하중조합이 변화하는 후설치 앵커의 단조하중 실험 (Monotonic Load Test of Post-Installed Anchors subjected to Load Combinations with Different Loading Angles)

investigated experimentally in terms of strength and displacement. Monotonic loading tests subjected to ... displacement. Monotonic loading tests subjected to different loading angles between 0 and 90 degrees ... The performance of post-installed anchors subjected to combined tension and shear loads is

논문 | 8페이지 | 무료 | 등록일 2025.07.11 | 수정일 2025.07.19

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전신체조를 병행한 입 체조 프로그램이 노인의 정신건강에 미치는 영향 (The effect of an oral exercise program including whole-body exercises on the mental health of the elderly)

the execution of the program in the experimental group. A paired sample t-test was performed to c ... program with the whole-body exercises. It was found that statistically significant differences in the ... program in the experimental group. A paired sample t-test was performed to check the changes in the

논문 | 8페이지 | 무료 | 등록일 2025.06.23 | 수정일 2025.06.27

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Rater Training and Recruitment in ESL Assessment: Current Issues and Practices (Rater Training and Recruitment in ESL Assessment: Current Issues and Practices)

sessions, it is apparent that differences in approach between organizations and tests exist. These ... differences can be attributed to the overall design and aims of the test in question, as well as the ... apparent that differences in approach between organizations and tests exist. These differences can be

논문 | 27페이지 | 무료 | 등록일 2025.06.19 | 수정일 2025.06.27

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소비자 전시회 참가자 특성에 따른 참여제약과 협상요인 차이에 관한 연구 (A Study on Difference of Participation Constraint and Negotiation according to Characteristics of Consumer Exhibition Participants)

404 participants of three consumer exhibitions and was analyzed to test hypotheses by t-test and ... onstraints factors and negotiation factors were more different according to participation-related c ... questionnaire from 404 participants of three consumer exhibitions and was analyzed to test hypotheses by t

논문 | 20페이지 | 무료 | 등록일 2025.07.06 | 수정일 2025.07.10

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A Kullback-Leiber Divergence-based Spectrum Sensing for Cognitive Radio Systems (A Kullback-Leiber Divergence-based Spectrum Sensing for Cognitive Radio Systems)

In the paper, an information divergence called Kullback-Leiber divergence, which measures the ... test whether the observed samples are drawn from the noise distribution by using Kullback-Leiber ... divergence called Kullback-Leiber divergence, which measures the average of the logarithmic difference

논문 | 6페이지 | 무료 | 등록일 2025.06.21 | 수정일 2025.06.27

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원전 2차계통수 모사 환경에서 용접배관 감육 특성에 미치는 재료 및 유속의 영향 (Effects of alloys and flow velocity on welded pipeline wall thinning in simulated secondary environment for nuclear power plants)

pipe, and the test results showed that higher flow velocity induced different increments in the wall ... test facility was constructed for simulating the FAC phenomena in secondary coolant environment for ... degraded by flow-accelerated corrosion (FAC), and a large-scale test facility was constructed for s

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

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Six Sigma Analysis of Vitamin D Measurement Using External Quality Assessment Program (Six Sigma Analysis of Vitamin D Measurement Using External Quality Assessment Program)

performed in the laboratory, and the test results can be objectively visualized in terms of quality. This ... particular, only positive biases for ABVD-16 and 17 were shown in the liquid chromatography tandem ... assessment (EQA) program. Sigma metrics is used for quantitative tests performed in the laboratory

논문 | 7페이지 | 무료 | 등록일 2025.06.20 | 수정일 2025.06.27

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Impact of Perfectionism and Testing Anxiety on the Menstrual Cycle during Test Evaluations among High School Girls (Impact of Perfectionism and Testing Anxiety on the Menstrual Cycle during Test Evaluations among High School Girls)

increases in menstrual pain during testing evaluations. There were significant differences in c ... testing evaluations. There were significant differences in changes of menstrual patterns, physical s ... anxiety seem to contribute to changes in the menstrual cycle during test evaluations, school health

논문 | 9페이지 | 무료 | 등록일 2025.05.21 | 수정일 2025.05.26

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멀티미디어를 활용한 파닉스 지도의 효율성 연구 (A Study on the Effectiveness of Multimedia Assisted Teaching for Phonics in Elementary School Students)

tudy show a significant difference in the EFL learners' ability in alphabet-recognition and writing in ... accordance with the difference in instructional method: multimedia instruction vs traditional text ... experimental study show a significant difference in the EFL learners' ability in alphabet-recognition

논문 | 27페이지 | 무료 | 등록일 2025.07.16 | 수정일 2025.07.20

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왼손잡이 유아와 오른손잡이 유아의 언어능력 및 공간능력의 비교 (A Comparison of Linguistic and Spatial Ability in Left- and Right-handed Young Children)

ought to find differences in linguistic and spatial abilities between left-handed and right-handed c ... for this study and the K-WPPSI simple intelligence test was used to check the homogeneity of two ... groups. The results showed that the differences inlinguistic and spatial ability between left and right

논문 | 12페이지 | 무료 | 등록일 2025.05.27 | 수정일 2025.06.04

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콩 이소플라본 첨가 아이스크림이 제2형 당뇨모델 마우스의 당뇨 지표에 미치는 영향 (Effects of ice creams supplemented with soy isoflavones on diabetic biomarkers in type II model mice)

modifies diabeticbiomarkers in the type 2 diabetic model mice. Forty male C57BL/6J-ob/ob mice were ... by glucose tolerance test, plasma levels of glucose, insulin, C-peptide,leptin, and blood HbA1c were ... not significantly different among all the groups. Concentrations of interleukin-6 andtumor necrosis

논문 | 12페이지 | 무료 | 등록일 2025.07.12 | 수정일 2025.07.20

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어머니 불안이 양육행동에 미치는 영향: 어머니 양육효능감을 매개로 (Effects of maternal anxiety on mothers’ parenting behaviors: A mediation of maternal self-efficacy)

The purpose of this study was to test the mediation of maternal self-efficacy in the effects of ... was to test the mediation of maternal self-efficacy in the effects of maternal anxiety on mothers ... of mediations depending on child gender. Such difference was found in laissez-faire/neglect parenting

논문 | 22페이지 | 무료 | 등록일 2025.06.07 | 수정일 2025.06.10

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홀리스틱 교육방법을 통한 말기임종간호수업의 효과 (The Effects of Holistic Education on End-of-Life Care)

differences in knowledge toward end-of-life care between the experimental group and the control group ... practice toward end-of-life care in nursing university students. Method: This study adopted nonequivalent ... control group pretest- posttest design. The subjects consisted of 35 in the experimental group and

논문 | 12페이지 | 무료 | 등록일 2025.06.22 | 수정일 2025.06.27

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전방십자인대 재건술 후 고유수용감각 기능 평가에서의 관절위치감각 검사의 효용성 (The Effectiveness of Joint Position Sense Test in Evaluating the Proprioceptive Function after Anterior Cruciate Ligament Reconstruction)

hamstring autograft. Thirty-eight men who underwent ACL reconstruction were tested for International ... arthrometer, isokinetic strength test, functional performance test (carioca, co-contraction, shuttle ... run test, one-hop test) and JPS at preoperation, 6 months, and 12 months postoperation. The c

논문 | 6페이지 | 무료 | 등록일 2025.06.02 | 수정일 2025.06.05

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A comparative study of the improvement after different self-assessment methods of tooth preparation (A comparative study of the improvement after different self-assessment methods of tooth preparation)

differences (P < 0.001). The putty index self-assessment group showed the highest reduction in error ... howed significant differences in improvement of tooth preparation ability according to the three self ... tudents according to three selfassessment methods. Materials and Methods: forty-eight sophomores in

논문 | 8페이지 | 무료 | 등록일 2025.06.09 | 수정일 2025.06.10

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최대운동상황에서 스포츠음료(DBD)가 젖산수준과 염증반응 및 심폐기능에 미치는 영향 (Effects of Sports Beverage(DBD) on Lactic Acid Levels, Inflammatory Reactions, and Cardiopulmonary Functions in Maximum Exercise Situations)

CRP의 차이를 검증하기 위한 정규성 검정(normality test)과 대응표본 t검증(paired t-test)를 실시하였으며 다음과 같은 결론을 도출하였다. 첫째, 스포츠음료 ... conducted using the SPSS 21.0 program. A normality test and a paired t-test were conducted to ... verify changes in exercise time, HR, VO2max, and RPE through the maximum exercise load test, and the

논문 | 8페이지 | 무료 | 등록일 2025.06.28 | 수정일 2025.07.04

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외식 동기 유형에 따른 세분시장별 서비스스케이프(servicescape) 중요도 인식에 관한 연구: 패밀리 레스토랑을 중심으로 (A Study on the Perceived Servicescape Importance by Market Segments using Dining-out Motives -Focused on Family Restaurants-)

analysis of variance was conducted to test if there were any differences in the perceived s ... variance was conducted to test if there were any differences in the perceived servicescape importance ... The dining-out motive of restaurant customers has received considerable attention in the

논문 | 20페이지 | 무료 | 등록일 2025.05.29 | 수정일 2025.06.05

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MERRA-2 재분석자료를 활용한 적도 대류권계면층의 오존 수송 및 계절변동성 분석 (Analysis of the Ozone Transport and Seasonal Variability in the Tropical Tropopause Layer using MERRA-2 Reanalysis Data)

data are utilized to test the usefulness of reanalysis- based tracer transport analysis for ozone in ... MERRA-2 ozone and atmospheric data are utilized to test the usefulness of reanalysis- based tracer ... ozone variability and related processes in MERRA-2 reanalysis show qualitatively similar features with s

논문 | 12페이지 | 무료 | 등록일 2025.07.11 | 수정일 2025.07.19

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도식을 활용한 쓰기 활동이 초등학생의 어휘력 습득과 정의적 영역에 미치는 영향 (The Effects of Teaching English Writing Methods Using Graphic Organizers on Vocabulary Ability and Affective Domains in Elementary School Students)

eparate sixth-grade classes in an elementary school in Busan. During the fourteen-week study, tests of ... advanced groups, according to their pre-test achievement. The results showed that the students in the ... howed a significant statistical difference in reading ability between the first and second test. A sign

논문 | 21페이지 | 무료 | 등록일 2025.06.03 | 수정일 2025.06.06

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임부의 염분 기호도와 식이섭취, 소디움 섭취 실태 (Salt Preference and Sodium Intake among Pregnant Women)

, t-test, ANOVA and Pearson’s correlation. Results: Sodium intake using 24-hour recall method was 3 ... tatistically significant differences depending on whether participants had preexisting hypertension in their ... , BMI pre-conception and showed negative correlation with sodium quantity in spot urine. Conclusion

논문 | 11페이지 | 무료 | 등록일 2025.06.03 | 수정일 2025.06.06

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