• Title/Summary/Keyword: Analysis of variances

Search Result 386, Processing Time 0.026 seconds

Correlation between Dental Hygiene Student's Gender Sensitivity and Gender Role Stereotypes

  • Hwang, Ji-Min;Han, Ji-Hyoung
    • Journal of dental hygiene science
    • /
    • v.21 no.4
    • /
    • pp.213-218
    • /
    • 2021
  • Background: The purpose of this study is to identify the gender sensitivity and gender role stereotypes of students in dental hygiene and to provide basic data to expand social awareness of equal gender sensitivity and gender role in dental hygiene and students by identifying the degree of correlation. Methods: The purpose of this study was to study dental hygiene students at colleges in Gyeonggi and Chungcheong areas. The survey was conducted from April 1 to April 30, 2021. The final sample was analyzed on 157 subjects. T-test and ANOVA analysis were performed to compare gender sensitivity and gender role stereotypes according to general characteristics. Equal variances were tested using the Levene statistic, and significant differences between groups were identified through Scheffe's post hoc analysis. Pearson's correlation analysis was performed to confirm the correlation between gender sensitivity and gender role stereotypes. Results: Gender sensitivity was 2.69 and gender role stereotypes were 1.83. Among the sub-areas of gender sensitivity, gender role openness was the highest at 2.86, and non-violence was the lowest at 2.50. As for gender role stereotypes, social stereotypes were the highest among sub-areas at 1.71. Among the general characteristics, there was a statistically significant difference in gender sensitivity according to the presence or absence of opposite sex friends (p=0.011). The gender identity openness of gender sensitivity and the physical sub-areas of gender role stereotypes showed the highest positive correlation(r=0.955). Among the sub-areas of gender sensitivity, gender role openness and domestic stereotypes showed the lowest negative correlation (r=-0.404) among the sub-areas of gender role stereotypes. Conclusion: Dental hygiene students should be able to critically analyze and solve problems of not only sexual violence but also gender discrimination and imbalance in social life. For this, environmental factors such as school education and professor guidance must be strengthened.

A Study of Different Character Strengths in the Sasang Constitution (사상체질에 따른 성격강점 차이연구)

  • Park, Hyuncheol;Yu, Gyung;Kim, Lakhyung
    • Journal of Oriental Neuropsychiatry
    • /
    • v.28 no.1
    • /
    • pp.39-47
    • /
    • 2017
  • Objectives: The purpose of this study is to investigate the Sasang Constitution character strength of university students. Methods: One hundred fifty students of Woosuk University participated in this study. Their majors were Korean medicine, nursing science, and pharmacy. Their Sasang Constitutional types were determined using the results of a Two Step Questionnaire for Sasang Constitution Diagnosis (TS-QSCD). The subjects were also tested by a Characteristic Strength Test (CST). The Character Strength test scores were compared to the different Sasang Constitutions using analysis of variances (ANOVA). Also, the five Signature Strengths presented to the subjects were measured as a percentage within Sasang Constitution Groups, and compared to the different Sasang Constitutions. Results and Conclusions: 1. In CST score: Soyangin were significantly higher than Taeeumin in creativity, curiosity, love, social intelligence, vitality, leadership, appreciation of beauty and excellence, and humor. Also, Soyangin was significantly higher than Soeumin in wisdom, kindness, bravery, and authenticity. 2. In CST score: Taeeumin were significantly higher than Soyangin in modesty. Taeeumin and Soeumin were significantly higher than Soyangin in prudence. 3. In the five signature strength analysis: Extrovert character strengths such as curiosity, vitality, social intelligence, bravery, and leadership, were higher in Soyangin. On the other hand, Introvert character strengths such as modesty, prudence, and self-regulation, were higher in Taeeumin and Soeumin. 4. In the five signature strength analysis: The signature strengths of Soyangin and Soeumin indicated a biased distribution. The signature strengths of Taeeumin indicated an even distribution.

Development of medical/electrical convergence software for classification between normal and pathological voices (장애 음성 판별을 위한 의료/전자 융복합 소프트웨어 개발)

  • Moon, Ji-Hye;Lee, JiYeoun
    • Journal of Digital Convergence
    • /
    • v.13 no.12
    • /
    • pp.187-192
    • /
    • 2015
  • If the software is developed to analyze the speech disorder, the application of various converged areas will be very high. This paper implements the user-friendly program based on CART(Classification and regression trees) analysis to distinguish between normal and pathological voices utilizing combination of the acoustical and HOS(Higher-order statistics) parameters. It means convergence between medical information and signal processing. Then the acoustical parameters are Jitter(%) and Shimmer(%). The proposed HOS parameters are means and variances of skewness(MOS and VOS) and kurtosis(MOK and VOK). Database consist of 53 normal and 173 pathological voices distributed by Kay Elemetrics. When the acoustical and proposed parameters together are used to generate the decision tree, the average accuracy is 83.11%. Finally, we developed a program with more user-friendly interface and frameworks.

Design Sensitivity and Reliability Analysis of Plates (판구조물의 설계감도해석 및 신뢰성해석)

  • 김지호;양영순
    • Computational Structural Engineering
    • /
    • v.4 no.4
    • /
    • pp.125-133
    • /
    • 1991
  • For the purpose of efficiently calculating the design sensitivity and the reliability for the complicated structures in which the structural responses or limit state functions are given by implicit form, the probabilistic finite element method is introduced to formulate the deterministic design sensitivity analysis method and incorporated with the second moment reliability methods such as MVFOSM, AFOSM and SORM. Also, the probabilistic design sensitivity analysis method needed in the reliability-based design is proposed. As numerical examples, two thin plates are analyzed for the cases of plane stress and plate bending. The initial yielding is defined as failure criterion, and applied loads, yield stress, plate thickness, Young's modulus and Poisson's ratio are treated as random variables. It is found that the response variances and the failure probabilities calculated by the proposed PFEM-based reliability method show good agreement with those by Monte Carlo simulation. The probabilistic design sensitivity evaluates explicitly the contribution of each random variable to probability of failure. Further, the design change can be evaluated without any difficulty, and their effect on reliability can be estimated quickly with high accuracy.

  • PDF

Low Noise Time-Frequency Analysis Algorithm for Real-Time Spectral Estimation (실시간 뇌파 특성 분석을 위한 저잡음 스펙트럼 추정 알고리즘)

  • Kim, Yeon-Su;Park, Beom-Su;Kim, Seong-Eun
    • Journal of IKEEE
    • /
    • v.23 no.3
    • /
    • pp.805-810
    • /
    • 2019
  • We present a time-frequency analysis algorithm based on the multitaper method and the state-space frameworks. In general, time-frequency representations have a trade-off between the time duration and the spectral bandwidth by the uncertainty principle. To optimize the trade-off problems, the short-time Fourier transform and wavelet based algorithms have been developed. Alternatively, the authors proposed the state-space frameworks based on the multitaper method in the previous work. In this paper, we develop a real-time algorithm to estimate variances and spectrum using the state-space framework. We test our algorithm in spectral analysis of simulated data.

Electronic Sensors and Multivariate Approaches for Taste and Odor in Korean Soups and Stews (전자센서와 다변량 분석을 이용한 국내 국·탕류의 향미 특성 분석)

  • Boo, Chang Guk;Hong, Seong Jun;Cho, Jin-Ju;Shin, Eui-Cheol
    • Journal of Food Hygiene and Safety
    • /
    • v.35 no.5
    • /
    • pp.430-437
    • /
    • 2020
  • This is an approach study on the sensory properties (taste and odor) of 15 types of Korean conventional soups and stews using electronic nose and tongue. The relative sensor intensity for the taste components of the samples using electronic tongue was demonstrated. By SRS (sourness) sensor, sogogi-baechuguk (beef and cabbage soup) had the highest rate of 9.0. The STS (saltiness) sensor showed the highest score of 8.2 for ojingeoguk (squid soup). For the UMS (umami) sensor, which identifies savoriness, the sogogi-baechuguk was the highest at 10.1. The SWS (sweetness) sensors showed relatively little difference, with sigeumchi-doenjangguk (spinach and bean paste soup) at the highest of 7.3. According to the BRS sensor, which tests for bitterness, the siraegi-doenjangguk (dried radish green and bean paste soup) was the highest at 7.8. By principal component analysis (PCA), we observed variances of 56.21% in principal component 1 (PC1) and 25.23% in PC2. For each flavor component, we observed -0.95 and -0.20 for factor loading of PC1 and PC2 for SRS sensors, 0.96 and 0.14 for STS sensors, and -0.94 and 0.22 for PC1 and PC2 for UMS sensors, and PC1 and 0.22 for PC1 and PC2 loading for SWS sensors. The similarity between the samples identified by clustering analysis was largely identified by 4 clusters. A total of 25 kinds of volatile compounds in 15 samples were identified, and the ones showing the highest relative content in all samples were identified as ethanol and 2-methylthiophhene. The main ingredient analysis confirmed variances of 28.54% in PC1 and 20.80% in PC2 as a result of the pattern for volatile compounds in 15 samples. In the cluster analysis, it was found to be largely classified into 3 clusters. The data in this study can be used for a sensory property database of conventional Korean soups and stews using electronic sensors.

Risk Structure Analysis for Cost of Capital : A Demonstrative Study using Financial Indices

  • Ling, Feng;Suzuki, Tomomichi;Ojima, Yoshikazu
    • International Journal of Quality Innovation
    • /
    • v.7 no.3
    • /
    • pp.1-14
    • /
    • 2006
  • Economic value added (EVA) is introduced on two levels: as index for evaluation of corporation and as index for evaluation of business unit. In the latter case, application of one and the same cost of capital to all business units of a business corporation may be possible, but it is a fundamental policy for EVA to apply different cost of capital to business units with different risks. Estimate of cost of capital of business units is a problem to be resolved. The author, focusing on the question of the estimate of cost of capital of business units, has conducted a demonstrative study on risk structure of cost of capital estimates by using financial indices of Japanese manufacturers (37 automotive industries, 141 electrical and electronic machinery industries, 63 food processing industries, 98 chemical industries, 125 general machinery industries) for a period of 5 years from 1995 to 1999. The author presumes that $\beta$ is explained by a regression formula ${\beta}=B_0+{\Sigma}B_iY_i+{\alpha}$ ($Y_i$: financial indices) and selects 40 explanatory variables from financial statements as risk components. Using their financial indices, the author concludes through a series of statistical analyses that there is a good likelihood of estimating cost of capital for Japanese industries and is convinced that it will lead to more reliable and practical results by assigning averages and variances to 40 primary financial indices for a period of 3 to 5 years selected in this demonstrative study.

A study of prevalence of obesity of female in Cheju using anthropometric measurements (신체계측값을 이용한 제주지역 여성들의 비만실태 조사연구)

  • Ko, Yang-Sook
    • Journal of the Korean Society of Food Culture
    • /
    • v.8 no.1
    • /
    • pp.63-71
    • /
    • 1993
  • The purpose of this paper it to investigate the differences in prevalence of obesity and body fat distribution on the variances of age. Height, weight, skinfold thickness and girth circumference on about 422 women residing in Cheju, Korea were surveyed. The results of analysis of the survey are as follows : 1) All the antropometric measurements except height were shown to increase with age. Weight is at its highest level between the age of 50-59. The measurement of skinfold thickness and girth circumference between the ages of 20-39 of the female subjects are significantly higher than the above 40's. However, there is no significant difference among the middle aged women. 2) Physical indices tend to increase according to age. Both BMI and RBW of women in their 50's are at their highest values, however, the index values of the women in their 60's decreased slightly (p<0.05). On the contrary, there is no significant difference in the percentage of body fat and total body fat content among the middle aged women surveyed. 3) According to this survey, 15.6% of the 422 subjects are assessed as being obese ; more specifically 4.4% of women in their 20's, 12.6% in 30's, 25.6% in 40's, 22.5% in 50's and 17.3% in 60's. 4) 39.4% among obese women proved to be upper body type women. Because the frequency of upper body type women became higher as the obese women aged, there is possibility that the pattern of fat distribution can change. 5) Weight is the most highly correlated with BMI(r=0.91), whereas weight as correlated with RBW, percentage of BF and WHR are 0.8, 0.66 and 0.44 respectfully. The conclusion of this survey is that it is better to estimate the value of total body fat and percentage of body fat than the value of BMI in the analysis of prevalence of obesity and its related factors of middle aged women.

  • PDF

A Study on Stress and Blood Stasis Pattern for 55 Uterine Myoma, Adenomyosis, Endometriosis Patients (자궁근종, 자궁선근증, 자궁내막증 환자 55명의 스트레스 정도와 어혈증(瘀血證) 연구)

  • Cho, Jun-Young;Lee, Chang-Hoon;Cho, Jung-Hoon;Jang, Jun-Bock;Lee, Kyung-Sub;Lee, Jin-Moo
    • The Journal of Korean Obstetrics and Gynecology
    • /
    • v.23 no.4
    • /
    • pp.130-145
    • /
    • 2010
  • Purpose: The purpose of this study is to know stress and blood stasis pattern for the patients who had hysterectomy related with uterine myoma, adenomyosis, endometriosis. Methods: We got questionnaires from 55 patients among 243 patients who had hysterectomy related with uterine myoma, adenomyosis, endometriosis in the department of obstetrics and gynecology, OO medical center from April 11th 2010 to October 14th 2010, and analyzed them. We conducted correlation analysis between age, pain(VAS), duration of pain and blood stasis score, and between duration of pain, blood stasis score and the sum of Stress Response Index. We compared the sum of Stress Response Index, blood stasis score, VAS according to the result of pathology. For statistics, we used Pearson's correlation coefficient, Mann-Whitney test, oneway analysis of variances(ANOVA) and SPSS version 17.0 for windows. Results: The correlation between duration of pain and blood stasis score showed statistical significance. The correlation between sum of the Stress Response Index and blood stasis score showed statistical significance. There is no statistically correlation between age, VAS, duration of the pain and blood stasis score. There is no statistically significant difference in sum of Stress Response Index, blood stasis score, VAS according to the result of pathology. Conclusion: The result showed that Stress is related with static blood, and the longer patients suffer from pain, the easier patients' blood to be static. Further study will be needed.

The Differences of Learning Characteristics in Sasang Constitution (사상체질별(四象體質別) 학습특성(學習特性)의 차이(差異) 연구(硏究))

  • Choi, Woo-Chang;Kim, Woo-Kyoung;Song, Jeong-Mo;Kim, Lak-Hyung
    • Journal of Oriental Neuropsychiatry
    • /
    • v.24 no.2
    • /
    • pp.163-178
    • /
    • 2013
  • Objectives : The purpose of this study is to investigate the characteristics of Sasang constitutional types in the university students. Methods : One hundred fifty students of Woosuk University participated in this study and their majors were Korean medicine, nursing science and pharmacy. The Sasang constitutional types were determined by the results of Two Step Questionnaire for Sasang Constitution Diagnosis (TS-QSCD). The subjects were also tested by Academic Motivation Tests (AMT), Multi-dimensional Learning Strategy Tests (MLST) and Learning Style Questionnaire of Sasang Constitution (LSQ-SC). The subscale scores of AMT, MSLT and each questions of AMT, MLST, LSQ-SC were compared among the different Sasang constitutions using analysis of variances (ANOVA). Results : There were no significant differences in AMT results between Sasang constitutions. In subscales of AMT, Feeling scales (FTF) scores of Soyangin was significantly higher than Taeeumin. Other subscales of AMT were not different between Sasang constitutions. There were no significant differences in MLST results between Sasang constitutions. Subscales of MLST were not different between Sasang constitutions. There were many questions between Soyangin and other constitutions in the analysis of questions of AMT, MLST, and LSQ-SC, and less between Taeeumin and Soeumin. Conclusions : These results suggest that the characteristics of Soyangin is more prominent compared with other constitutions in the learning style, and there were a little differences between Soeumin and Taeeumin.