• 제목/요약/키워드: internal consistency

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THE PATIENTS' SATISFACTION FOLLOWING IMPLANT TREATMENT

  • Heo, Yoon-Young;Heo, Seong-Joo;Chang, Myung-Woo;Park, Ji-Man
    • 대한치과보철학회지
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    • 제46권6호
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    • pp.569-576
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    • 2008
  • STATEMENT OF PROBLEM: While patient-centered outcomes are usually not reported, these may represent major aspects of the implant success for the patient. Use of a well-designed patient survey form can be an invaluable asset to the implant practitioners. PURPOSE: The objective of this study was to investigate patient satisfaction after implant therapy by means of a questionnaire. MATERIAL AND METHODS: South Korean patients (n = 100), who visited the dental examination center of Soon Chun Hyang university hospital, were asked to fill out the satisfaction questionnaire regarding aspects of cost, comfort, esthetics, chewing, gingival health, food impaction, phonetic aspect, screw loosening, and general satisfaction. Responses to statements were given on the Likert response scale. Four experimental groups of patients were distinguished with various location ($A_1,\;A_2,\;A_3$), year ($B_1,\;B_2,\;B_3$), number of implant replacements ($C_1,\;C_2,\;C_3$), and treatment cost ($D_1,\;D_2,\;D_3$). The reliability of the response scales was measured by calculation of its internal consistency, expressed as Cronbach's ${\alpha}$. The scales were distinguished by means of factor analysis method. Possible differences in scale scores among the groups were assessed by One-way ANOVA (${\alpha}$= 0.05). RESULTS: Patients responded to most of the statements with high satisfaction. But the mean scale score of statement about cost was low. After the verification of internal consistency and factor analysis, five components, e.g. general satisfaction, comfort, chewing efficiency, esthetics, and phonetic aspect were grouped together. These components could be explained with common meaning and the first factor was named as 'general satisfaction'. Differences in patient satisfaction on the scale with esthetics were present between patients who have been wearing the implant prosthesis less than three years and those more than seven years ($B_1<B_3$). CONCLUSION: The patients were generally satisfied with the outcome of implant treatment. But the patients' major complaint was high cost and while the statistically significant difference was not shown, the satisfaction scale about food impaction and esthetics was low. So the continuing efforts to make improvements about these problems are needed for the implant practitioners.

중학생 과학탐구활동 수행평가 시 채점 방식 및 척도의 수에 따른 신뢰도 분석 (An Analysis on Reliabilities of Scoring Methods and Rubric Ratings Number for Performance Assessments of Middle School Students' Science Investigation Activities)

  • 김형준;유준희
    • 한국과학교육학회지
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    • 제30권2호
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    • pp.275-290
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    • 2010
  • 중학생의 과학탐구활동 수행평가 시 총체적 채점과 분석적 채점의 신뢰도를 비교 분석하였으며, 분석적 채점을 하는 경우에는 신뢰도 확보를 위하여 채점척도의 수준을 어느 정도로 분석적으로 해야 하는지를 조사하였다. 중학생들이 작성한 4개의 과학탐구과제에 대한 활동지를 두 명의 채점자가 총체적 채점 방식, 분석적 채점 방식, 분석적 채점 중 채점척도를 2, 3, 4~7수준으로 다르게 하여 채점하였다. 총체적 채점 방식은 과제 간 내적 일치도가 높게 나타났으며, 분석적 채점 방식은 채점자간 신뢰도가 높게 나타났다. 또한 채점척도 3수준의 경우는 4~7수준의 경우와 활동간 내적 일치도와 채점자간의 신뢰도가 유사하게 나타났으나, 능력추정치별 학생의 분포, 문항곤란도 및 문항특성곡선의 경우 채점척도 3수준의 경우가 적절한 것으로 나타났다. 이러한 연구 결과는 과학탐구활동 수행평가 시 총체적 채점 방식을 선택하는 경우는 과제 간 내적일치도를 높일 수 있으며 분석적 채점 방식에 비해 낮게 나타나는 채점자 간 일치도를 높이기 위한 채점자간 협의등 방안이 필요하다는 것을 시사한다. 또한 분석적 채점 방식을 선택하는 경우는 채점척도 3수준으로 충분히 신뢰도를 확보할 수 있다는 점을 시사한다.

한국어판 측두하악장애 연구진단기준 (RDC/TMD) 설문지의 신뢰도에 관한 연구 (Reliability of the Korean Version of Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD))

  • 손병진;박민우;박지운;정성창;정진우
    • Journal of Oral Medicine and Pain
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    • 제33권4호
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    • pp.323-338
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    • 2008
  • 한국어판 측두하악장애 연구진단기준(RDC/TMD) 설문지의 신뢰도를 분석하기 위하여 서울대학교 치과병원 구강내과에 내원한 154명의 턱관절장애 환자들(남자 31명, 여자 123명)에게 한국어판 RDC/TMD 설문지를 작성하게 하였다. 검사-재검사 신뢰도는 동일한 피검자에게 1주 내지 2주 간격으로 같은 설문지를 작성토록 하였다. 설문지의 검사-재검사가 완료되기 전까지는 환자에게 어떠한 치료도 제공되지 않았다. 첫번째 검사로 본 통증강도(pain intensity), 장애점수(disability score), 악기능장애(jaw disability) 및 심리사회적 상태(psychosocial status)의 내적 일관성(internal consistency)의 신뢰도는 크론바흐-알파(Cronbach’s alpha) 계수로 각각 0.92, 0.94, 0.68, 0.94 였다. 검사-재검사 신뢰도의 각 설문항목별 상관계수는 0.40에서 0.94까지의 범위로 나타났으며, 각각의 세부 항목별 등급내 상관계수(intra-class correlation coefficient; ICC)는 0.81에서 0.93의 범위로 나타났다. 만성통증척도(Graded Chronic Pain)의 검사-재검사 신뢰도계수는 0.63이었다. 한국어판 RDC/TMD 설문지는 좋은 신뢰도를 보였으며, 한국인의 측두하악장애 환자들에서 심리사회적측면을 분석하는데 유용하게 사용될 수 있다.

수행기반 인지기능평가를 위한 예비연구 : 정상 노인을 대상으로 (A Preliminary Study on a Performance-Based Cognitive Function Test : With the Normal Elderly)

  • 곽호성;박지혁
    • 재활치료과학
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    • 제8권3호
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    • pp.43-55
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    • 2019
  • 목적: 본 연구의 목적은 수행기반 인지기능 평가를 위한 예비연구로써 노인의 인지기능 저하 선별하기 위해 사용되는 수행기반 인지기능 평가도구를 분석하여 평가 문항을 구성하고 정상 노인을 대상으로 검사를 시행하여 타당도를 검증하는 것이다. 연구방법: 수행기반 인지기능 평가항목을 선정한 후, 만 65세 이상 정상 노인 9명을 대상으로 평가를 시행하였다. 평가도구의 신뢰도를 검증하기 위해 수집된 자료를 대상으로 내적 일관성을 분석하였으며, 공인 타당도를 검증하기 위해 기존 수행기반 인지기능 평가와 MMSE-K와의 상관관계를 분석하였다. 결과: Performance-Based Cognitive Function Test(PCFT)의 내적일치도 Cronbach's ${\alpha}$ 계수는 운동과제 .871 인지과제 .959 높은 신뢰도를 나타냈다. 공인타당도는 운동-인지 이중과제 평가를 이용하여 PCFT의 항목별 상관관계는 .755~.964으로 산출되었으며 통계적으로 유의하였다(p<.05). 또한 인지평가도구인 MMSE와의 상관관계는 .849~.943(p<0.01)로 나타나 높은 타당도를 보였다. 결론: 본 연구를 통해 수행기반 인지기능 평가의 신뢰도 및 타당도를 검증하였다. 추후 연구에서는 최종적으로 수정 보완된 인지기능저하 노인을 선별을 위한 수행기반 인지기능 평가도구를 대상으로 기타 신뢰도 및 타당도를 검증하여야 할 것으로 사료된다.

식습관 관리 애플리케이션의 적용 가능성에 대한 설문지 개발 및 타당성 연구 (Development and Validation of a Questionnaire on the Feasibility of a Mobile Dietary Self-Monitoring Application)

  • 이희진;안정선;이정은
    • 대한지역사회영양학회지
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    • 제27권2호
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    • pp.146-157
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    • 2022
  • Objectives: This study aimed to develop and assess the content validity and internal consistency of a questionnaire on the feasibility of mobile dietary self-monitoring applications. Methods: We developed a feasibility questionnaire to assess the overall usage, convenience, usefulness, and satisfaction of mobile dietary applications. The initial draft of the questionnaire contained 17 items with yes/no, multiple-choice, and open-ended questions and 52 items on 5-point Likert scales. To validate the content, ten experts evaluated the relevance of the items for each subscale using a 5-point scale. We calculated the item-level content validity index (I-CVI) and scale-level content validity index (S-CVI). A total of 102 adults answered the questionnaires which reflected the experts' reviews. We conducted an exploratory factor analysis to determine the underlying structure of responses and categorized convenience, usefulness, and satisfaction. We also calculated Cronbach's alpha coefficient to examine the internal consistency of items in each subscale. Results: The S-CVI score of the items was 0.86, and we removed items with an I-CVI score of < 0.80. We combined, revised, or separated some remaining items and added one item as per the experts' comments. As a result, we included 16 items about overall usage and 42 sub-questions. Based on the responses of the 102 adults, we performed exploratory factor analysis using the principal axis method. We retained items with a factor loading of > 0.40, resulting in a final set of 35 questions (convenience: 15, usefulness: 12, satisfaction: 8 items). The Cronbach's alpha values of the three scales were 0.93, 0.91, and 0.91 for 1) usefulness, 2) convenience, and 3) satisfaction, respectively. Conclusions: We developed a feasibility questionnaire for mobile dietary self-monitoring applications and examined its content validity and internal consistency. Our questionnaire has the potential to measure the feasibility of mobile dietary self-monitoring applications.

비기질적 원인에 의한 신경학적 증상 감별법에 대한 고찰: 사례를 중심으로 (A Review of Diagnostic Methods on Neurologic Symptoms by Non-organic Causes: A Case of a Patient)

  • 조민경;임정화;박승찬;김도형;김소연;최준용;한창우;박성하;홍진우;권정남;이인
    • 동의신경정신과학회지
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    • 제25권1호
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    • pp.63-72
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    • 2014
  • Objectives: The objective of this study is to review the diagnostic methods of neurologic symptoms by non-organic causes. Methods: We experienced a case of a motor and sensory disturbance patient without abnormal findings in the diagnostic tests. Using this process, we became aware that it is important to remember some of the methods when treating patients who are suspicious of neurologic symptoms by non-organic causes. Results: First, we should perform a variety of diagnostic tests to exclude the organic causes. Second, we should persistently observe a consistency of the patient's symptoms and attitude. Finally, we should perform a neurological examination in order to acquire the objective physical findings. Conclusions: Because there are limitations in the methods above, we have to be aware of making a mistake regarding the disability by organic causes as that by non-organic causes.

패션 브랜드 진정성의 내부 구조 확인 및 브랜드 애착, 몰입, 충성에 미치는 영향에 대한 양적 연구 (Quantitative Research for Investigating Internal Structure and the Influence on Brand Attachment, Commitment, Loyalty of Fashion Brand Authenticity)

  • 서상우;이유리
    • 복식
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    • 제63권7호
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    • pp.148-163
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    • 2013
  • The purpose of this study is to examine the attributes and internal structure of fashion brand authenticity, which is a new concept of brand association. For quantitative research, a total of 591 samples of consumer survey were taken from 24th of August to 7th of September, 2009. The results of this study were as follows: 1) The scale for the fashion brand authenticity was developed, which consisted of 33 questions. These questions estimated a total of 8 dimensions, including heritage, authority, relationship to place, consistency, non-popularity, trend leading, originality, and ethics. 2) The internal structure of the fashion brand authenticity was confirmed. The internal structure was constituted into core attributes and promoted attributes. 3) The relationship between the fashion brand authenticity and consumer related variables were found. The core attributes of authenticity were putting positive influence directly on brand loyalty. However, paths through brand attachment or brand commitment were not found. The promoted attributes showed that it had a direct negative influence on brand loyalty, but it has also showed positive influence on paths, which underwent brand attachment and commitment.

가족의 응집 및 적응 평가 척도에 관한연구 (A Study of Family Adaptability and Cohesion Evaluation Scale(FACES))

  • 김수연
    • 대한가정학회지
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    • 제35권1호
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    • pp.59-74
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    • 1997
  • FACES II & III do not capture the high extremes of the dimension and are linear rather than curvilinear measure. FACES IV is the latest revision of FACES series and can capture two extreme dimension of Circumplex Model. The purpose of this study is to examine reliability and validity of reconstructed FACES using by FACES II, III, IV. Factor analysis showed that Cohesion and Adaptability consisted 3 factors (disengaged, connected, emmeshed/rigid, flexble, chaotic) Extremes on each dimension conceptually were opposite and they were uncorrelated with each other. FACES effectively predicted family function. Reliability coefficients of subscales ranged from 61~85 Reconstructed FACES had good internal consistency and construct and criterion related validity.

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가족의 응집 및 적응 척도에 관한 연구 II (A Study of Family Adaptability and Cohesion Evaluation Scale II)

  • 김수연
    • 대한가정학회지
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    • 제35권6호
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    • pp.205-219
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    • 1997
  • FACES II & III did not capture high extremes of Cohesion and Adaptability dimension, and were linear rather than curvilinear measure. The purpose of this study was to examine reliability and validity of revised FACES using by FACES II,III,IV. Factor analysis showed that Cohesion and Adaptability dimension consisted each 3 factors(disengaged, connected, enmeshed / rigid, flexible, chaotic). Extremes on each dimension conceptually were opposite and they were uncorrelated with each other. Revised FACES effectively predicted family function. Reliability coefficients of subscales ranged form .68~.82. Revised FACES had good internal consistency, and construct and criterion related validity.

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Development, Reliability and Factor Structure of a Korean Perceived Restorativeness Scale Using Forest Users

  • Shin, Won Sop;Yeoun, Poung Sik
    • 한국산림과학회지
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    • 제97권2호
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    • pp.152-155
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    • 2008
  • The Korean version of Perceived Restorativeness Scale was administered to 150 SanEum Recreational Forest visitors to investigate it's psychometric properties. Factor analysis revealed that the scale consists primarily of four factors related to compatibility, preference, being away and coherence. The internal consistency of the scale was positive. Based on these tests, it appears that the scale is a sound measure of restorativeness or psychological health benefits from forest experience.