• Title/Summary/Keyword: T-test analysis

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The Influence of Knowledge, Beliefs and Attitudes on Anti-Smoking Public Service Announcement Message Types and Audience Characteristics (수용자특성 및 금연광고 메시지가 지식․신념․태도에 미치는 영향)

  • Ryu, Ji-Hye;Cho, Kyoung-Won
    • Korean Journal of Health Education and Promotion
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    • v.31 no.1
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    • pp.1-11
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    • 2014
  • Objectives: In this study, the most executed social norm and advertisement about health consequences status were examined. The direction of effective anti-smoking advertisement is suggested in this study by figuring out the primary factors which affect smoking attitudes. Methods: The survey period of this study was from Nov $5^{th}$ to Nov $16^{th}$, 2012. 423 complete questionnaires were used for final analysis. The collected data were analyzed by SPSS Ver. 14.0, and reliability analysis, factor analysis, frequency analysis, F/t qualification, t-test, and multiple regression analysis, were performed. Results: This study is worth as a diagnosis of current status by using advertisement about social norm(51.4%) and health result(34.3%), which covers total of 85% in appeal types of anti-smoking advertisement that has been practically used in Korea. As a result, the health result type showed better result on belief and attitude. Conclusions: When establishing message strategy for anti-smoking advertisement, this study can help future direction for effective anti-smoking advertisement by figuring out effect of factors on smoking attitude.

Soil Stress-Deformation Analysis by Elasto-Plastic Model and Elasto-Viscoplastic Model - Using Back Analysis Method - (탄소성모델과 탄점소성모델을 이용한 지반변형해석 - 역해석 기법의 적용 -)

  • Kwon, Ho Jin;Song, Young Woo;Lee, Won Taek;Byun, Kwang Wook
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.13 no.4
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    • pp.199-208
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    • 1993
  • Using several soil parameters which are obtained from the PI-experimental formulas and the back analysis method, the elastic analysis, the elasto-plastic analysis and the elasto-viscoplastic analysis for soil deformation are executed. Comparing the results with those of consolidation test, the indirect estimation method for soil parameters and the suitability of constitutive models are studied. The elastic analysis using back analysis result and the elasto-plastic analysis using the perconsolidation test. The elasto-viscoplastic analysis disagrees with the results of meability coefficient obtained from back analysis are the nearest to the results of the consolidation test. It is inferred that elasto-viscoplastic model is not adequate to the soil of which plasticity index is low.

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A Study on the Efficiency of National Policy Bank's Support for SMEs Policy Funds (국책은행의 중소기업 정책자금 지원에 관한 효율성 연구)

  • Yun, Mi;Lee, Cheol-Gyu
    • Journal of Digital Convergence
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    • v.18 no.10
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    • pp.147-162
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    • 2020
  • The purpose of this study is to present practical improvement plans for policy fund support in national policy banks through an analysis of the efficiency of policy fund support. It targets small and medium-sized enterprises(SMEs) that received policy funding from national policy banks in '17 and '18 consecutively. As for the analysis method, characteristic analysis and corresponding sample T-test was performed. The analysis results are as follows. First, as a result of analyzing the characteristics of small and medium-sized enterprises, most of the financial funds were concentrated on the manufacturing industry. By region, the western region of Gyeonggi Province, by credit rating, was A grade, technology grade was T5, and the use of funds was mostly concentrated on facility funds. Second, as a result of efficiency analysis, profitability had a positive effect on total capital return, stability had a positive effect on interest compensation ratio, and activity had a positive effect on total capital turnover. In conclusion, it is expected to provide practical improvement plans to support policy funds to influence the growth and distribution of funds appropriate to the needs of SMEs.

Characteristics of Science-Engineering Integrated Lessons Contributed to the Improvement of Creative Engineering Problems Solving Propensity (창의공학적 문제해결성향에 기여한 과학-공학 융합수업의 특성)

  • Lee, Dongyoung;Nam, Younkyeong
    • Journal of the Korean Society of Earth Science Education
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    • v.15 no.2
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    • pp.285-298
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    • 2022
  • This study is to investigate the effects and characteristics of science and engineering integrated lessons on elementary students' creative engineering problem solving propensity (CEPSP). The science and engineering integrated lessons used in this study was a 10 lesson-hours STEM program, co-developed by University of Minnesota and Purdue University. The program was implemented in the 6th grade science class of H Elementary School located in P Metropolitan city. The main data of this study are the pre-post CEPSP result and interview with 5 students collected before and after the research. The CEPSP result was analyzed by a paired-sample t-test and hierarchical cluster analysis. As a result of the t-test, it was found that overall, the program has a positive effect on the students' CEPSP score. As a result of cluster analysis, it was confirmed that studnets' CEPSP could be classified into two groups (lower and higher score cluster). Five students whose, CEPSP score has significantly improved after the lessons were interviewed to find out what the characteristics of the program that contribute the significant change are. As a result of conducting centroid analysis of the interview transcription and the hybrid analysis method, it was found that the meaningful experiences that the five students commonly shared were 'problem solving through collaboration' and 'through repeated experiments (redesign)', problem solving' and 'utilization of scientific knowledge'. As minor reactions, 'choice of the best experimental method' and 'difference between science and engineering' appeared.

Factors Associated with Human Papillomavirus related Stigma, Shame, and Intent of HPV Test (인유두종 바이러스와 관련된 낙인, 수치심과 검사의도의 영향요인)

  • Kim, Hae-Won
    • Journal of Korean Academy of Nursing
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    • v.42 no.2
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    • pp.217-225
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    • 2012
  • Purpose: This study was conducted to examine the factors associated with HPV (Human Papillomavirus) related stigma, shame and intent to have HPV test among adult women. Methods: Data were collected from December 1, 2009 to January 31, 2010, and participants were 324 women who visited an obstetric gynecologic clinic. They anticipated testing positive for HPV. Then HPV related stigma, shame, intent to have HPV testing and HPV knowledge were measured. Descriptive statistics, Mann-Whitney U test, Kruskal Wallis test and multivariate adjusted logistic regression were used for data analysis. Results: The levels of stigma and shame were higher than average. Intent to have HPV test was high and HPV knowledge was low. Women who answered that HPV is not sexually transmitted had lower HPV stigma than did women who answered they didn't know (OR=0.20, 95%CI 0.06-0.68). Women with lower stigma showed lower intent to have HPV test than women with higher stigma (OR=0.46, 95%CI 0.26-0.82). Conclusion: Basic HPV information should be fully understood for women especially prior to HPV test. Normalizing HPV stigma is necessary for women who perceive HPV as sexually transmitted and women intending to have HPV test.

A study on the Safety Awareness and Safety Practice Behavior of Adult Learners: Focusing on 「Civic Safety Culture College」 in Changwon City (성인학습자들의 안전의식과 안전생활실천 연구: 창원지역 「시민안전문화대학」 중심으로)

  • PARK, Sin-Young;EO, Yong-Sook
    • Journal of Fisheries and Marine Sciences Education
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    • v.27 no.6
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    • pp.1619-1627
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    • 2015
  • The purpose of this study was to examine the relationship between the safety awareness and safety practice behavior of adult learners who participated in "civic safety culture college" was held in Changwon city. We carried out a questionnaire survey that was targeted at 150 citizens, but 132 citizens were included finally. Data collected were analyzed with SPSS 21.0 statistical program. Analysis methods were t-test, one way ANOVA, Scheffe test, Pearsons correlation coefficient, and multiple linear regression. The results were as follows. First, safety awareness point was an average of 4.17 point which was higher levels. Area showing the highest safety awareness was fire safety. Safety practice behavior point was an over intermediate level of an average of 3.58 point. Second, safety practice behavior had statistically significant difference according to sex(t=2.58, p=.01), education(t=-2.57, p=.01), job(t=-1.96, p=.05), housing(t=3.65, p<.001). Third, there was a positive correlation between home safety awareness(r=.28, p<.001), traffic safety awareness(r=.37, p<.001), fire safety awareness(r=.37, p<.001), emergency care awareness(r=.45, p<.001) and safety practice behavior. Fourth, safety practice behavior was related to the emergency care awareness(${\beta}$=.34, p=.002), this factor accounted for 19.5% of the variability of the safety practice behavior. These results are expected to be very important baseline data for many different businesses and program development for strengthening of safety awareness and spreading of safety culture in Changwon city.

The Fundamental Study of Academic and Career Counseling Program Development for Students of Engineering College who don't have aptitude on Engineering: A Study with Using Holland Career Aptitude Test (공과대학 비적성 학생들의 진로지도 프로그램 개발을 위한 기초 연구: Holland 직업적성검사를 중심으로)

  • Park, Sun-Hee;Kim, Keon-Hyeong;Choi, Keum-Jin
    • Journal of Engineering Education Research
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    • v.14 no.2
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    • pp.21-29
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    • 2011
  • The purpose of this study is to develop the academic and career counseling program for students of engineering college who don't have aptitude in engineering. Therefore we began with analyzing the outcome of Holland career aptitude test from enrolled students of engineering college. The method of this study is first, we classified between students who have aptitude on engineering and who don't. Next, we compared grades of between them. Lastly, we studied the needs of the students who don't have aptitude in engineering. The final result and analysis of study were used for suggestion of develop academic and career counseling program for students of engineering college who don't have aptitude on engineering.

Effect of Sexual Attitude of Aged People on Sexual Life: Moderating Effect of General Characteristics (노인의 성태도가 성생활에 미치는 영향: 일반적 특성의 조절효과)

  • Shin, Sun Hwa;Park, Hyojung
    • Korean Journal of Adult Nursing
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    • v.26 no.3
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    • pp.320-329
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    • 2014
  • Purpose: The purpose of this study was to analyze the effect of sexual attitude among the elderly to their sexual life while exploring the moderating effect of general characteristics in the relationship between sexual attitude and sexual life. Methods: A descriptive research design was used. The subjects were 322 married elderly from four silver centers in Seoul and Gangwon-do. Aging Sexuality Attitude Scale developed by White (1982) was used to examine sexual life status and general characteristics of the subjects (gender, age, academic background, religion, economic status, and residential type). For data analysis, ${\chi}^2$-test, t-test, and ANOVA were conducted. Since the dependent variable of sexual life is a binary variable, hierarchical logistic regression was implemented. Results: There were 180 people (55.9%) who had a sexual life. Depending on gender (${\chi}^2$=35.03, p<.001), academic background (${\chi}^2$=29.45, p<.001), and economic status (${\chi}^2$=7.36, p=.025), the subjects showed significant difference in terms of sexual life. Regarding sexual attitude, the subjects showed significant difference depending on gender (t=-5.47, p<.001), age (t=-2.31, p=.021), academic background (t=5.16, p<.001), economic status (F=3.17, p=.043), and sexual life status (t=4.99, p<.001). Conclusion: It is important to devise the sex education program in consideration of gender, age, and academic background that showed moderating effects.

Bioequivalence and Pharmacokinetics of Carvedilol (25mg) Tablets in Volunteers (카베딜롤(25mg)정제의 생물학적 동등성 및 약물동태연구)

  • 우수경;김호순;강종성;권광일
    • YAKHAK HOEJI
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    • v.45 no.6
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    • pp.650-655
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    • 2001
  • Carvedilol is a nonselective $\beta$-blocking agent with vasodilating properties that are attributed mainly to its blocking activity at $\alpha$$^{1}$-receptors. Carvedilol is used in the treatment of mild to moderate hypertention and angina pectoris and is often used in combination with other drugs. This study was carried out to evaluate the bioequivalence and pharmacokinetics of two carvedilol 25mg tablet formulations according to the guidelines of Korea Food and Drug Administration (KFDA). Twenty healthy volunteers are enrolled and received a single dose (25mg as carvedilol) of each drug in the fasting state, in a randomized 2-way crossover design. After oral administration, blond samples were collected for a period of 30 hours. Plasma concentrations of carvedilol were determined by a rapid and sensitive HPLC method with spectrofluorometric detection. The major pharmacokinetic parameters such as AU $C_{0-}$30hr/, AU $C_{inf}$ , $C_{max}$, $T_{max}$, $t_{1}$2 / Cl/F and V $_{\beta}$//F were calculated. ANOVA test and t-test were utilized for the statistical analysis of each parameter. The results showed that the differences in AU $C_{0-}$30hr/, $C_{max}$ and $T_{max}$ between two were ~5.66, 1.74 and 0.00%, respectively. Minimum detectable differences ($\Delta$) at $\alpha$=0.05 were less than$\pm$ 20% except $T_{max}$ (8.44, 18.36, and 33.86%, respectively). The 90% confidence intervals of all parameters were within $\pm$20% (-10.60~ -0.72, -9.00~12.49 and -19.81~19.81%, respectively). Therefore, it is concluded that the two formulations are bioequivalent for both the extent and the rate of absorption after single dose administration.ation.ion.ion.ation.ion.n.

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The Effects of Simulation Practicum using a Standardized Patient on Nursing Students' Communication Skills, Problem-Solving Skills, Critical Thinking Dispositions, and Clinical Competency (표준화 환자를 적용한 시뮬레이션 수업이 간호대학생의 의사소통능력, 문제해결능력, 비판적 사고성향 및 임상수행능력에 미치는 효과)

  • Chung, Su Kyoung;Kim, Kyoung Ah;Jeong, Eun Young
    • Journal of Home Health Care Nursing
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    • v.23 no.2
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    • pp.186-194
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    • 2016
  • Purpose: The purpose of this study was to evaluate the effects of standardized patient simulation on nursing students' communication skills, problem-solving skills, critical thinking dispositions, and clinical competency. Methods: A one-group pretest-posttest design was used. Data were collected from a convenient sample of 47 junior nursing students at W University. Scenarios to train SP and checklists to evaluate the students''competence were developed by our research team. The collected data were analyzed with descriptive analysis t-test, Pearson's Correlation Coefficient and Cronbach's ${\alpha}$ using SPSS WIN 21.0 Program. Results: The simulation practicum using a standardized patient was conducted based on four steps, namely, selections of scenario modules, standard patient training, implementation, and evaluation. The differences between the pre and post-test scores of problem-solving skills(t=-2.94, p=.005) and clinical competency(t=-2.84, p=.007) were statistically significant. But communication skill(t=-.32, p=.747) and critical thinking(t=-.68, p=.498) was not different in group. Conclusion: Standardized patient simulation in nursing education may be useful the improvement of problem-solving skills and clinical competency.