• Title/Summary/Keyword: Diagnostics reliability and validity

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The Evaluation of Reliability and Validity for Mibyeong Questionnaire (증상 정도, 기간, 불편정도 및 회복력 기반 미병 설문지의 신뢰도 및 구성 타당도 평가)

  • Jang, Eunsu;Yoon, Ji-Hyeon;Lee, Youngseop
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.21 no.1
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    • pp.13-25
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    • 2017
  • Objectives The purpose of this study was to evaluate the reliability and the validity of Mibyeong Questionnaire (MQ). The subjects enrolled in this study was 165 from July 2015 to Jan. 2016. The surveys were conducted twice with 3 month terms. Methods The Cronbach's ${\alpha}$ analysis for internal reliability, Pearson Correlation Coefficient analysis for test-retest reliability, Factor analysis with varimax rotation for construct validity, Kappa analysis for diagnostic reliability were used. The significant p-value was less than 0.05. Results and Conclusions The result showed that the Cronbach's ${\alpha}$ of MQ was .857-.937 and total was .913. The reliabilities between test and retest for the MQ were .666-.832 (0.416-0.673, in case of including recovery question) in intraclass correlation coefficient (ICC). The Kappa of recovery question in each item was ranged 0.23(80.6% in agreement rate) to .46(87.9% in agreement rate). In test-retest the Kappa value of Mibyeong diagnosis referred by median value was .418(71% in agreement rate). This study revealed that MQ is a reliable and valid questionnaire.

A Study on Reliability and Validity of the Yukmijiwhang-tang Patternization Questionnaire (육미지황탕증(六味地黃湯證) 변증설문지(辨證設問紙)의 신뢰도(信賴度) 타당도(妥當度) 연구(硏究))

  • Cho, Sang-Won;Park, Young-Jae;Park, Young-Bae;Kim, Min-Yong;Lee, Sang-Chul
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.13 no.1
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    • pp.54-64
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    • 2009
  • Background and purpose : We previously developed questionnaire of Yukmijiwhang-tang symptom on the Delphi method. But developed a questionnaire was not verified in the clinical. So, to ensure objectivity, quantification and validity, verification is needed for questionnaire items before applying a clinical. On this study, we looked at whether questionnaire items had been validity in the clinical. Methods : The previously developed questionnaire of Yukmijiwhang-tang symptom was applied to 200 patients who visited 12 local oriental medicine clinics. Item data were analyzed by factor analysis and reliability test. Results : The developed questionnaire showed remarkable reliability.(Cronbach's $\alpha$=0.869) In factor analysis, items were clustered to 6 factors. Conclusions : The results of this study indicate that the developed quetionnaire is reliable and valid for Yukmijiwhang-tang symptom. It can be used to evaluate Yukmijiwhang-tang symptom objectively.

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A Study on Validity of the Korean Version of the Subhealth Questionnaire (한국판 아건강 평가 설문지의 타당도 연구)

  • Ryu, Jae-Min;Park, Young-Bae;Park, Young-Jae
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.13 no.2
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    • pp.78-87
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    • 2009
  • Background and Objective: We previously developed questionnaire of subhealth status. Developed questionnaire was verified about reliability and validity, but there had a lack of concurrent validity study. On this study, we will verify concurrent Validity of the Korean Version of the Subhealth Questionnaire. Methods: Guibi-tang questionnaire, chalder questionnaire and subhealth questionnaire were applied to 113 college students. After then do correlation analysis, we calculate concurrent validity of that. Results and Conclusions: As a result, subhealth questionnaire between chalder questionnaire, and subhealth questionnaire between Guibi-tang questionnaire had a significant correlation respectively. The result of this study indicate that the developed questionnaire of subhealth status was verified about concurrent validity.

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A Study on Reliability and Validity of the Guibi-tang Patternization Questionnaire (귀비탕변증설문지(歸脾湯辨證設問紙)의 신뢰도(信賴度) 타당도(妥當度) 연구(硏究))

  • Lee, Byoung-Hee;Park, Young-Bae;Park, Young-Jae;Oh, Whan-Sup;Kim, Min-Yong
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.13 no.1
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    • pp.45-53
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    • 2009
  • Background and purpose : We previously developed questionnaire of Guibi-tang symtom on the Delphi method through the pathogenesis analysis. But developed a questionnaire was not verified in the clinical. So, to ensure objectivity, quantification and validity, verification is needed for questionnaire items before applying a clinical. On this study, we looked at whether questionnaire items had been validity in the clinical. Methods : Participants of this study were outpatients in eleven clinics. The resources were collected from 200 patients. SPSS 15.0 for Windows was used for statistical analysis : reliability analysis, factor analysis were used to verify the results Results and Conclusions : 16 items were selected through reliability analysis perforfed on about 22 items. After factor analysis, we have four component. Veryfy research of the Guibi-tang Patternization Questionnaire is needed in the future. Also I think that research should proceed about a lot of people.

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Development of the Nijmegen Questionnaire in Korean : Cross-Cultural Translations and Verification of Content Validity (한국어판 네이메헨 설문지(Nijmegen Questionnaire) 개발 - 횡문화적 번역 및 내용타당도 검증)

  • Ok, Ji-Myung;Lim, Young-Woo;Park, Young-Jae;Park, Young-Bae
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.19 no.3
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    • pp.133-140
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    • 2015
  • Objectives Nijmegen Questionnaire is one tool used internationally to evaluate hyperventilation syndrome. However, there is a necessity of developing Korean version of the Nijmegen Questionnaire, as the questionnaire of the original one are written in English, marking it hard to apply for Korean patients. So as a first step, we conducted a cross-cultural translation of the Nijmegen Questionnaire into Korean and verification of content validity. Methods We translated the Nijmegen Questionnaire into Korean up to guidelines of cross-cultural adaptation. We conducted a survey with 45 subjects to get content validity, using the translated questionnaire. Results About the translated Nijmegen Questionnaire, 28 out of 45 subjects replied that they had no difficulty understanding them, while 17 were pointed out ambiguous items and 7 offered ideas about ambiguous expressions of them. Upon further examination of five Korean Medical doctors, one sentence was additionally modified in the translated version. Conclusions We translated and adapted cross-culturally the original Nijmegen Questionnaire to develop a Korean version in accordance with internationally accepted guidelines. Then we conducted a survey for content validity with the translated questionnaire and gathered opinions from those questioned. After going through some examining and correcting procedures based on the opinions, we finalized the Korean version of Nijmegen Questionnaire. It will also require a follow-up verification process to prove reliability and validity of the final version of the Korean version of Nijmegen Questionnaire.

Review on Reliability and Validity of Questionnaire of Pattern Identification in Traditional Chinese Medicine -Using China National Knowledge Infrastructure- (중의 변증 설문도구의 신뢰도 및 타당도 고찰 -China National Knowledge Infrastructure를 이용하여-)

  • Yeo, Min Kyung;Dong, Sang Oak;Lee, Young Seop;Jang, Eun Su
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.29 no.3
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    • pp.246-255
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    • 2015
  • The purpose of this study is to investigate the reliability and validity of the questionnaire of pattern identification (PI) in traditional chinese medicine (TCM), through the systematic review of china national knowledge infrastructure (CNKI) database. We searched the articles related with reliability and validity of the questionnaire of PI and published from January 1994 to December 2013. Seventeen questionnaires were analyzed in this study. The twelve (70.6%) questionnaires were developed on the base of specific disease, and five (29.4%) ones were developed on the base of non-specific disease. Three of PI questionnaires showed low inter-item consistency reliability. Exploratory factor analysis of construct validity, content validity, and criterion validity analysis were commonly used on the assessment of validity, but none of them was analysed at the same study. There was only one questionnaire of the ischemic stroke that examined the sensitivity and specificity of both training and test groups in spite of the absence of a gold standard.

A Review on Impedance Cardiography and Its Oriental Medical Application (한의학적 활용을 위한 임피던스 심장기록법의 연구동향)

  • Ko, Young-Il;Lee, Hyon-Soo;Park, Young-Jae;Park, Young-Bae
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.10 no.2
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    • pp.67-78
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    • 2006
  • Objectives : To review the method, validity and reliability of Impedance Cardiography and to study its oriental medical application. Method : The papers reviewed in this study were searched through internet search engines such as Springer, Science Direct, and China National Knowledge Infrastructure. Conclusion : In this study, the methodological limitations, validity and reliability of impedance cardiography were examined. Impedance Cardiography is recognized as a highly accurate non-invasive tool to assess hemodynamic parameters. The ability of impedance cardiography to assess hemodynamic parameters in non-invasive way is very suitable for researches on the effect of oriental medical therapeutics or the validation of oriental medical diagnostic.

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Study on Validity and Reliablity of the Cutoff Probe and Langmuir Probe via Comparative Experiment in the Processing Plasma

  • Kim, D.W.;You, S.J.;You, K.H.;Lee, J.W.;Kim, J.H.;Chang, H.Y.;Oh, W.Y.
    • Proceedings of the Korean Vacuum Society Conference
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    • 2013.02a
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    • pp.576-576
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    • 2013
  • Recently, diagnostics of plasma becomes more important due to requirement of precise control of plasma processing based on measurement of plasma characteristics. The Langmuir probe has been used for the diagnostics but it has an inevitable uncertainty and error sources such as incorrect tip length and RF noise. Instead of the Langmuir probe, various diagnostic methods have been developed and researched. The cutoff probe is promising one for plasma density using microwaves and resonance phenomenon at the plasma frequency. The cutoff probe has various advantages as follows; (i) it is simple and robust, (ii) it uses few assumptions, and (iii) it is free from deposition by reactive gas. However, the cutoff probe also has uncertainty and error sources such as gap between tips, tip length, direction of tip plane, and RF noise. In this study, the uncertainty and error sources in manufacturing both probes and in diagnostics process were analyzed via comparative experiment at various discharge conditions. Furthermore, to reveal the user dependence of both probes, three well trained Ph. D students made the Langmuir probe and the cutoff probe, respectively, and it were analyzed. Thought this study, it is established that reliability and validity of the Langmuir probe and the cutoff probe related with not only the intrinsic characteristics of probes but also probe user.

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A Study on Reliability and Validity of the Pyungweesan Patternization Questionnaire by the Pathogenesis Analysis (병인론적(病因論的) 분석(分析)에 의한 평위산변증설문지(平胃散辨證設問紙)의 신뢰도(信賴度) 타당도(妥當度) 연구(硏究))

  • Lim, Jun-Sung;Park, Young-Bae;Park, Young-Jae;Lee, Sang-Chul;Oh, Whan-Sup
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.11 no.2
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    • pp.59-67
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    • 2007
  • Objectives: Pathogenesis treats cause of disease. Pyungweesan is pathogenic prescription of indigestion. This study researched for developing questionnaire of prescribing pyungweesan. Methods: Korean medical doctor classified the patients into two group, pyungweesan symptom group and non pyungweesan symptom group. After that, each group responsed to the questionnaire. We tested for both the reliability and validity of the questionnaire. For validity test, we compared the sum, average and standard deviation of 20 items of pyungweesan symptom group with those of non-pyungweesan symptom group through independent sample t-test, For reliability test, we computerized crohnbach's a value of the items. Results: The developed questionnaire showed remarkable reliability. (Cronbach's ${\alpha}$ =0.854) There were a significant differences on the sum of the 20 items and each 19 item's average and standard deviation, except 1 item; Do you have an irregular discharge from the womb? Conclusions: Based on the results of the above analysis, the korean medical doctor will make an effort to apply the pyungweesan questionnaire clinically. In the future, the additional research is needed.

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A Study on the Validity and Reliability of the Eight-Constitution Questionnaire (8체질(體質) 설문지(說問紙)의 타당도(妥當度), 신뢰도(信賴度)에 관한 연구(硏究))

  • Min, Jae-Young;Kim, Min-Yong;Park, Young-Jae;Park, Young-Bae
    • The Journal of the Society of Korean Medicine Diagnostics
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    • v.11 no.2
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    • pp.27-44
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    • 2007
  • Background: Eight-Constitution Medicine (ECM) classifies the human body into eight constitutions. Diagnosis of discrimination of the eight constitutions depends on a unique pulse diagnosis. However, pulse diagnosis is subjective and requires vigorous training. Objectives: This study aims to analyze the validity and reliability of the Eight-Constitution Questionnaire as a diagnostic method. Methods: Participants of this study were outpatients in six ECM clinics located in Seoul. The resources were collected from 409 patients who were classified into one of the eightconstitutions according to their pulse types and their responses to constitution-acupuncture therapy. SPSS 13.0 for Windows was used for statistical analysis: factor analysis, reliability analysis, independent sample t-test, and multinomial logistic regression were used to verify the results. Results and Conclusions: 1. The proportion of participants' constitutions is in the order of Pancreotonia (23.7%), Colonotonia (19.8%), Pulmotonia (18.1%), Hepatonia (16.9%), Vesicotonia (8.1%), Cholecystotonia (7.3%), Renotonia (5.3%) and Gastrotonia (0.7%). 2. Sevencomponents and 74 items were selected through factor factor and relaibility analysis performed on about 251 items. 3. The firstcomponent's mean is significantly higher in Pancreotonia than that in other constitutions (p<0.05). The second is in Pulmotonia and Colonotonia, whereas the third is in Hepatonia and Cholecystotonia. Fifth is in Vesicotonia, the sixth is in Colonotonia, and the fourth and seventh are not significant in specific constitutions. 4. The percentage that Pancreotonia is correctly predicted is 96.9%, Pulmotonia is 91.9%, Colonotonia is 91.4%, Hepatonia is 88.4%, Vesicotonia is 81.8%, Gastrotonia is 66.7%, Renotonia is 66.7%, Choleeystotonia is 30.0%, and the total percentage is 85.3%.

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