• 제목/요약/키워드: Correlation Value

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속담을 통해 본 대학생의 전통적 자녀관 (Korean Students' Traditional Value of Children in Family -by asking the agreement on the proverbs-)

  • 곽혜경;강기숙
    • 한국보육지원학회지
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    • 제3권2호
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    • pp.86-107
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    • 2007
  • 본 연구는 대학생의 전통적 자녀관을 알아보기 위하여 서울지역 대학생 300명을 대상으로 전통적 자녀관에 관한 속담에 대한 동의 정도와 가족주의 자녀관에 관한 찬성 정도를 조사하였으며, 자녀의 필요성, 이상적인 자녀수, 자녀양육 책임기간에 대한 의식을 조사하였다. 분석결과 첫째, 대학생들은 전통적 자녀관에 대체로 동의하지 않는 것으로 나타났다. 여학생이 딸에 대해서 더 긍정적인 가치관을 가지고 있었으며, 조부모와의 동거경험이 있는 학생들이 남아선호의식이 더 적고 자녀양육의 어려움에 대한 전통적 의식이 더 적은 것으로 나타났다. 둘째, 가족주의 자녀관에 약간 반대하는 것으로 나타났으며, 여학생이 남학생보다 그리고 조부모와의 동거경험이 있는 학생들이 없는 학생들보다 가족주의 자녀관에 더 반대하는 것으로 나타났다. 셋째, 가족주의 자녀관에 반대할수록 남아선호의식이 적고 딸에 대해 긍정적인 가치관을 가지고 있는 것으로 나타났다. 넷째, 자녀의 필요성에 대한 인식은 남아선호 및 가족주의 자녀관과 관계가 있고, 이상적인 자녀수는 자녀양육의 어려움 및 가족주의 자녀관과 관계가 있으며, 자녀양육책임기간은 딸에 대한 가치관과 관계가 있는 것으로 나타났다.

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작업장에서 톨루엔에 노출된 근로자들의 마뇨산 배설량에 관한 연구 (A Study on the Urinary Hippuric Acid Excretions of Workers Exposed to Toluene in Working place)

  • 이병호;김부길;권수자
    • 한국환경과학회지
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    • 제10권6호
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    • pp.445-450
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    • 2001
  • This study was carried out In Investigate the correlation between toluene In air and hippuric acid In human urine, which 1.: based on the results of the health check-in and the measure of working environment, was investigated for two years. The concentration of toluene in air for the five working places in Yang-San area were ranged from 39.05±10.31 ppm to 4.04±3.38ppm and the mean value of those was 16.89±14.76ppm. The mean value was 16.89±14.76ppm which is below the permissible limit of toluene. The concentration of hippuric acid(HA) In the worker's urine were between 0.47g/ℓ and 0.76g/ℓ. There was mutual correlation (Υ=0.94) between the concentration of toluene in air and that of hippuric acid in urine. In case of male workers, the mean value of hippurlc acid In urine was 0.56g/ f and the female workers was 0.57g/ℓ that showed higher than the male's. However, there was no relationship between the workshop and the distinction of sex. From the mean value of toluene in air(T) and that of hippuric acid(H), we obtained the formula, Η=0.3logΤ+0.235.

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Compensation on Impedance of the Stratum Corneum

  • Kim, Ki-Won;Choi, Han-Yoon;Sim, Myeong-Heon;Jeong, In-Cheol;Yoon, Hyung-Ro
    • Journal of Electrical Engineering and Technology
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    • 제3권3호
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    • pp.444-449
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    • 2008
  • This study aims at compensation of the skin moisture level using skin impedance and SR factor. SR factor is related with the current diffusion into the skin layer. To efficiently analyze the current diffusion on the skin model, we used an electromagnetic simulation program called Ansys 10.0 Emag. We confirmed that the measured value decreases as the electric current gets more diffused to the layer below the horny layer. In order to conduct actual experiments based on the simulated result, we manufactured special electrodes with 24 pins by arranging 0.8mm-diameter electrodes every 0.5mm, in a $3{\times}8$ array. By simultaneously achieving both impedance value and SR value of skin with the manufactured electrodes, we compared the skin moisture level using the existing equipment to the skin moisture level applied using the skin impedance as well as the SR factor developed in this study. The correlation coefficient between the skin moisture level achieved from the existing equipment and the reference value was 0.615 (p<0.01), whereas the correlation coefficient between the skin moisture achieved from the regression equation in this study was 0.677 (p<0.01). Accordingly, it was confirmed that applying SR factor additionally improves the moisture level more precisely.

간호사가 인지한 치매노인 돌봄행위의 중요도 및 영향요인 (Importance of and Influencing Factors on Nurses' Caring Behaviors for Elders with Dementia)

  • 김춘길
    • 성인간호학회지
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    • 제23권2호
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    • pp.160-169
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    • 2011
  • Purpose: The purpose of this study was to investigate the importance of nurses' caring behaviors and to identify influencing factors on nurses' caring behaviors for elders with dementia. Methods: Data were collected through questionnaires from 156 nurses in several demented elderly setting and analyzed by applying descriptive statistics, t-test, ANOVA, Scheffe-test, Pearson's correlation coefficient and stepwise multiple regression with SPSS/WIN 16.0. Results: The average score for importance of nurses' caring behaviors was 3.55 and the 'attentive to other's experience' factor was the highest level. The mean score of nursing professional value was 8.46 and job satisfaction, 3.86. Importance of nurses' caring behaviors had a significant positive correlation with nursing professional value, job satisfaction and nurse's age. Four significant variables influencing importance of nurses' caring behaviors were job satisfaction, nursing professional value, working area of nurses and cognition dysfunction of elderly. Conclusion: With the results of this study, importance of nurses' caring behaviors can be improved by intervening the factors affecting this importance. Based on the findings of this study, further nursing practice and research for nurses' caring the elders with dementia should be focused on job satisfaction, nursing professional value, working area of nurses and cognitive dysfunction of elderly.

병원 환자급식 중 일반식과 연식에서 발생되는 잔반의 원인과 손실 분석 (An Assessment of Factors Affecting Plate Waste and Its Effects in Normal & Soft Diets Provided from Hospital Foodservice)

  • 양일선;김정려;이해영
    • 대한지역사회영양학회지
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    • 제6권5호
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    • pp.830-836
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    • 2001
  • The purposes of this study were to : (a) analyze the portion size & plate waste of normal & soft diets provided by dietetic departments in hospital, (b) investigate the factors affecting plate waste, and (c) determine the nutritional & monetary value of plate waste. A questionnaire for food preference and sensory evaluation was developed and a survey was carried out for the 46 normal diet and 56 soft diet patients in Sanggye Paik hospital in Seoul. Serving size and plate waste were weighed by the electric scale, and CAN-Pro program was used to evaluate the nutrition value. The data were analyzed using the SAS package program for descriptive analysis, t-test, ANOVA, and Pearson correlation. The average plate waste rate for normal diet and soft diet were 30.3% and 49.6%. More plate waste amount occurred on female patients'diet than male patients'diets regardless of the kind of diet. The plate waste percentage of male patients were higher than those of female on normal diet. On soft diet, patients who hospitalized in surgery or pediatrics department were higher than in other wards. Plate waste of normal diet and amount were correlated positively, but wastage and preference were correlated negatively Negative correlation was between taste and plate waste, and between temperature and plate waste, too. On the other hand, plate waste caused the deficiency of some nutrients such as Ca, Fe, Vit. B$_2$and a great monetary loss.

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Sperm Penetration Assay의 임상적 타당성에 관한 연구 (Study on the Clinical Validity of Sperm Penetration Assay)

  • 방명걸;오선경;신창재;김정구;문신용;장윤석;이진용
    • Clinical and Experimental Reproductive Medicine
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    • 제20권1호
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    • pp.1-7
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    • 1993
  • The present study was designed to test the validity of the semen analysis(S/A) and the sperm penetration assay(SPA) as a prognostic indicator of male fertility in 123 patients undergoing in vitro fertilization(IVF). We attempted to correlate the traditional semen parameters or the extent of sperm penetration in SPA with the results of human IVF rate or cleavage rate. Poor correlation was found between the results of S/A and human IVF rate(sensitivity, 80.6% ;specificity, 46.7%; positive predictive value, 91.6%;negative predictive value, 25%). Conversely, good correlation was found between the results of SPA and human IVF rate(sensitivity, 100% ; specificity, 80% ;positive predictive value, 97.3% ;negative predictive value, 100%). Our results corroborate the conclusion that SPA can be a valuable tool as a prognostic indicator of male fertilizing ability.

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Stagewise Weak Orthogonal Matching Pursuit Algorithm Based on Adaptive Weak Threshold and Arithmetic Mean

  • Zhao, Liquan;Ma, Ke
    • Journal of Information Processing Systems
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    • 제16권6호
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    • pp.1343-1358
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    • 2020
  • In the stagewise arithmetic orthogonal matching pursuit algorithm, the weak threshold used in sparsity estimation is determined via maximum iterations. Different maximum iterations correspond to different thresholds and affect the performance of the algorithm. To solve this problem, we propose an improved variable weak threshold based on the stagewise arithmetic orthogonal matching pursuit algorithm. Our proposed algorithm uses the residual error value to control the weak threshold. When the residual value decreases, the threshold value continuously increases, so that the atoms contained in the atomic set are closer to the real sparsity value, making it possible to improve the reconstruction accuracy. In addition, we improved the generalized Jaccard coefficient in order to replace the inner product method that is used in the stagewise arithmetic orthogonal matching pursuit algorithm. Our proposed algorithm uses the covariance to replace the joint expectation for two variables based on the generalized Jaccard coefficient. The improved generalized Jaccard coefficient can be used to generate a more accurate calculation of the correlation between the measurement matrixes. In addition, the residual is more accurate, which can reduce the possibility of selecting the wrong atoms. We demonstrate using simulations that the proposed algorithm produces a better reconstruction result in the reconstruction of a one-dimensional signal and two-dimensional image signal.

적외선 체열촬영의 퇴행성 슬관절염 평가도구와의 상관관계 연구 (Study on the Correlation between DITI and Assessment Instruments of Knee OA)

  • 김영진;이소영;이민호;유승연;이승훈;남상수;이재동;최도영
    • Journal of Acupuncture Research
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    • 제26권6호
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    • pp.171-178
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    • 2009
  • Objectives : To investigate the correlation between DITI and assessment instruments of knee OA. Methods : Data were obtained from 127 subjects with OA of the knee. They were asked to answer VAS pain scale, LFI, WOMAC and KHAQ. Correlation was assessed by examing the pearson's correlation and spearman's rank correlation coefficients. Results : The thermal difference between the patella of knee was correlated with VAS, LFI and WOMAC. Age, duration, BMI and sex were not correlated with the thermal differences of each region. Conclusions : DITI value was useful for evaluating the severity of OA. And we should find out the standardization of analysis of DITI value for diagnosis of OA.

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도시 물순환 건전화를 위한 빗물관리 계획요소 평가 (Assessment of Criteria for selecting Rainwater Management Strategies)

  • 이태구;한영해
    • KIEAE Journal
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    • 제10권4호
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    • pp.9-17
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    • 2010
  • The purpose of this study is to draw out objective bases for selecting various applicable facilities in case of the establishment of rainwater management strategies. To do so, sixteen facilities were selected from decentralized rainwater management systems that induce rainwater infiltration and detention as well as centralized end-of-pipe type infiltration and detention facilities in local areas. With these facilities, it attempted to evaluate them in terms of sustainability, pollutant elimination, flood control capacity and costs and subsequently analyzed correlations between each characteristic. The outcomes of the analysis were as follows: First was the analysis of characteristics between decentralized rainwater management systems and end-of-pipe rainwater management systems. From the decentralized rainwater management systems, the mulden-rigolen system and grass swale at street level had the highest in the total of the four items while the totals of the underground detention tank and temporary detention site were highest in end-of-pipe rainwater management systems. After analyzing the correlation between different types of facilities and each variable, it can be said that decentralized rainwater management systems have a higher correlation than end-of-pipe rainwater management systems in terms of sustainability whereas the latter are better in flood control capacity than the former. Second, the analysis of correlation in variables of each facility is as follows: first, there is a negative correlation between sustainability value and flood control capacity value; and there is a positive correlation between flood control capability and pollutants elimination. In addition, it revealed that the higher the flood control and pollutant elimination capability the higher the facility costs. Based on these assessments, it is possible to use them as objective selection criteria for facility application in case of site development project or complex plan.

우유의 세균 자동측정장치의 오차범위 조사 및 오차발생 요인 분석에 관한 연구 (A Study on the Analysis of Errors occurred by Different Type of Automatic Bacteria Counting Equipments used in Counting Bacterial Number of Raw Milk)

  • 정충일;엄양섭;김광태;강국희;이수원
    • 한국축산식품학회지
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    • 제21권2호
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    • pp.163-168
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    • 2001
  • This study was conducted to analyze the errors occurred between standard plate count(SPC) and Bactometer, Malthus, Bactoscan and to investigate correlation coefficient(r) between SPC and each equipments for the purpose of making new calibration curve. Correlation coefficients of three different types of equipments to SPC value were 0.71, 0.81, 0.84 respectively(n=287) and that of three types of equipments were 0.71∼0.82 relatively low. In raw milk, correlation coefficients of three types of equipments of SPC were in the range of 0.67∼0.73 below 3.0${\times}10^4$(CUF/ml) of bacterial number, and those between the three types of equipments were 0.68∼0.72. Between 3.0${\times}10^4$∼5.0${\times}10^5$(CFU/ml) of bacterial number, correlation coefficients of the three different types of equipments were 0.71∼0.81. and those between the three different types of equipments were 0.64∼0.77. Over 5.0${\times}10^5$(CFU/ml), correlation coefficient of the three types equipments were 0.66∼0.83 and those between them were 0.70∼0.85 respectively. The error of the three different types equipments to SPC value was significantly high, 37∼53% of them was under 50% of error range, and in case of raw milk less than 3.0${\times}10^4$ of bacterial number, 44∼67% of them showed over 100% of error.

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