definition of reliability and validity in quantitative research
báo cáo hóa học: " Thai SF-36 health survey: tests of data quality, scaling assumptions, reliability and validity in healthy men and women" pdf
... number of completed items, the percent of missing data in every item and the frequency distribution of individual items were determined Ordering of levels of health The ordering of item means within ... reduced with use of Version of the SF-36, and that refinement of items in the Social Functioning, Vitality and Mental Health scales could improve reliability and discriminant validity of these scales ... cluster in the same order as hypothesized for the original SF-36 Tests of scaling assumptions Tests of scaling assumptions determine the appropriateness of including an item in a particular scale and...
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báo cáo hóa học:" Measuring health-related quality of life in young adolescents: Reliability and validity in the Norwegian " doc
... test the interpretation and understanding of items and response ratings Cognitive interview techniques [15] were used to obtain feedback about the interpretation and understanding of items and respons ... self-reports and proxy-reports in age groups ranging from to 18 years [9], and can also be used in clinical practice, clinical trials, and research, as well as school health settings, and community ... the findings of the original PedsQL™ [9] and the UK-English version [24] and as such confirm that the instrument can be used for self-reports and proxy-reports in school health settings and community...
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báo cáo hóa học: " Turkish version of impact on family scale: a study of reliability and validity" doc
... former researchers [[1,13], and [14]] The scoring of the IPFAM was done according to the scoring instructions given in the PACTS PAPERS/AECOM [15] The results obtained were computed under the headings ... an interval of one week by using intra-class correlation coefficient (ICC) Validity Construct validity was evaluated by hypothesizing how the measure should behave and confirming or disconfirming ... two points in time In this investigation a time interval of a week was used A period of one week interval for testretest reliability studies of parent interviews have been used in other studies...
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Báo cáo y học: "Investigating the complementary value of discrete choice experiments for the evaluation of barriers and facilitators in implementation research: a questionnaire survey" pptx
... consists of five stages: identifying the attributes of interest, assigning levels to the attributes, presenting profiles to individuals which involve different levels of the attributes, obtaining ... acquisition, and interpretation of data, and has been involved in drafting and critically revising the manuscript for important intellectual content All authors have read and approved the final submitted ... contributions to the conception and design of the study, the analysis and interpretation of data, and has been involved in drafting and critically revising the manuscript for important intellec- Patients...
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báo cáo khoa học: " Investigating the complementary value of discrete choice experiments for the evaluation of barriers and facilitators in implementation research: a questionnaire survey" pot
... consists of five stages: identifying the attributes of interest, assigning levels to the attributes, presenting profiles to individuals which involve different levels of the attributes, obtaining ... acquisition, and interpretation of data, and has been involved in drafting and critically revising the manuscript for important intellectual content All authors have read and approved the final submitted ... contributions to the conception and design of the study, the analysis and interpretation of data, and has been involved in drafting and critically revising the manuscript for important intellec- Patients...
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Feasibility, reliability and validity of health-related quality of life questionnaire among adult pulmonary tuberculosis patients in urban Uganda: cross-sectional study docx
... The feasibility of conducting quality of life interviews among TB patients using the MOS in urban Uganda setting was evaluated by examining the percent of missing item responses, interviewer-reported ... increasing the likelihood of adequate case management in TB programs Despite the availability of standard instruments for assessing HRQoL [6-8], the feasibility; reliability; and validity of such instruments ... have good internal reliability in a wide variety of settings, an excellent discriminant and convergent validity of the subscales [11,14], and good physical and mental health summary scores in HIV...
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báo cáo hóa học: " The reliability and validity of the SF-8 with a conflict-affected population in northern Uganda" doc
... Convergent and discriminant validity were tested by examining the correlations of items with the PCS and MCS summary scores, and then examining inter-instrument correlations between the SF-8 items and ... were all from the Acholi region of northern Uganda, spoke fluent Luo and English, and had experience of data collection in IDP camps in northern Uganda Six days training was provided for the overall ... Construct validity was also assessed by examining convergent and discriminant validity using the Pearson Correlation Test [42,48,49] Convergent validity seeks to show that the dimensions of an instrument...
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báo cáo hóa học: " Evaluation of the reliability and validity of the Medical Outcomes Study sleep scale in patients with painful diabetic peripheral neuropathy during an international clinical trial" pot
... association of painful DPN with sleep impairment [15] The present study examines perceptions of sleep in an international clinical trial aimed at evaluating the efficacy and safety of the pregabalin, ... neuropathic pain had interfered with their sleep It consists of a single-item with an 11-point numerical rating scale, ranging from (pain does not interfere with sleep) to 10 (pain completely interferes ... weekly mean sleep interference score and the weekly mean pain score at baseline were used to define groups of patients differing in severity Since patients had to have pain at baseline to qualify...
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báo cáo hóa học: " Reliability and validity of the Gastrointestinal Symptom Rating Scale (GSRS) and Quality of Life in Reflux and Dyspepsia (QOLRAD) questionnaire in dyspepsia: A six-country study" pptx
... abdominal pain is the typical dyspepsia symptom, internal consistency was only moderate in the Abdominal pain domain of the GSRS This generally low internal consistency in the Abdominal pain domain ... confirming the known-groups validity of the instruments GSRS scores increased with increasing frequency and severity of dyspepsia symptoms, while QOLRAD scores decreased with increasing frequency and ... all domains of all language versions of the QOLRAD, thus supporting construct validity Internal consistency was also high in the Indigestion, Diarrhoea and Constipation domains of the GSRS in all...
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báo cáo hóa học:" Reliability and validity of Thai versions of the MOS-HIV and SF-12 quality of life questionnaires in people living with HIV/AIDS" pot
... number of health-related quality of life measures have been developed for HIV-infected patients and include assessment of various domains, including functional status and psychological well-being ... declined to participate in the study due to lack of time, transportation issues, or lack of interest in the study Demographic and HIV/AIDS related information Demographic information, including ... results of this initial test provide evidence for acceptable reliability and validity of the Thai versions of the MOS-HIV and SF-12 as measures of HRQOL among HIV+ patients in Northern Thailand Both...
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báo cáo hóa học: " Reliability and validity of the Spanish version of the 10-item Connor-Davidson Resilience Scale (10-item CD-RISC) in young adults" potx
... version of the 10-item CD-RISC show good psychometric properties and a high level of reliability and validity in young adults The findings also confirmed a single dimension underlying the 10 items of ... The reliability of the Spanish version of the 10-item CD-RISC was similar to that of the original version (Cronbach’s a of the original version = 0.85 and of the Spanish version = 0.85), and ... weights in factor analysis were within the range of 0.48-0.76 on our scale and within the range of 0.44-0.74 in the original The factor structure of the CD-RISC is debated [7,19-21], and no consensus...
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báo cáo hóa học:" Measuring health-related quality of life in children with cancer living in mainland China: feasibility, reliability and validity of the Chinese mandarin version of PedsQL 4.0 Generic Core Scales and 3.0 Cancer Module" pdf
... Measuring health-related quality of life in children with cancer living in mainland China: feasibility, reliability and validity of the Chinese mandarin version of PedsQL 4.0 Generic Core Scales and ... The findings support the feasibility, reliability and validity of the Chinese Mandarin version of PedsQL 4.0 Generic Core Scales and 3.0 Cancer Module in children with cancer living in mainland ... feasibility, reliability, and validity of the Chinese mandarin version of PedsQL 4.0 Generic Core Scales and 3.0 Cancer Module in children with cancer living in mainland China With regard to obtention of...
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Báo cáo y học: " Establishing the reliability and validity of the Zagazig Depression Scale in a UK student population: an online pilot study" ppsx
... advantage of exploring symptoms in a number of domains including insomnia, agitation and anxiety and may be more sensitive to mild depression An Egyptian study which used the measure found that 71% of ... in using the ‘Replace of missing values’ option in SPSS, using the series median value It was proposed that for purposes of univariate analysis replacing missing values can reduce bias and often ... about all sorts of life problems and circumstances and symptoms of depression which cover a very wide range of problems, from short periods of low mood to a lifetime of mind-numbing inability to...
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Báo cáo y học: "Global impression of perceived difficulties in children and adolescents with attention-deficit/hyperactivity disorder: Reliability and validity of a new instrument assessing perceived difficulties from a patient, parent and physician persp
... seven point single-item rating scale of the clinician's assessment of the severity of ADHD symptoms [28,29] The WREMB-R-Inv scale is based on the Daily Parent Rating of Evening and Morning Behavior ... Missing values For patients, missing values were between and 0.38% for items 1, 4, and 5, and between 0.24% and 1.61% for items and For parents, missing values for the morning and evening ratings ... Comparison of GIPD scores for the morning and evening items with the WREMB-R morning and evening subscales (convergent validity) As shown in Table 6, the comparison of GIPD scores for the morning and...
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Báo cáo y học: "Reliability and validity of triage systems in paediatric emergency care" doc
... 36 37 38 39 Hunink M, Glasziou P, Siegel P, Weeks J, Pliskin J, Elstein A, Weinstein M: Decision making in health and medicine: integrating evidence and values In vol Fourth printing, 2005 Cambridge ... different points in time The interand intra-rater agreement is dependent on the uniformity and completeness of a triage system and on how the triage nurse applies the system Good training and instruction ... and the ESI, this question still needs to be answered Research on reliability and validity of triage systems Validity of a triage systems is determined by reliability (inter-rater agreement and...
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Evaluating the Reliability and Validity of an English Achievement Test for Third-year Non- major students at the University of Technology, Ho Chi Minh National University and some suggestions for chan
... test reliability and validity Finally, in Section 2.4, the achievement test and its types are explored 2.1 The importance of testing in education Testing is an important part of every teaching and ... 45-minute periods 33 33 33 39 27 27 Teaching content Reading and grammar Reading and grammar Reading and grammar Reading and grammar Course book Lifelines Elementary Lifelines Elementary Lifeline ... reliability and validity are essential to the interpretation and use of measures of language abilities and are the primary qualities to be considered in developing and using tests For this reason, in...
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báo cáo hóa học: " Reliability and validity of a new scale on internal coherence (ICS) of cancer patients" pot
... capture of current, clinically relevant feeling and state of coherence for clinical questions in internal oncological patients, because of the very backward-looking, general style of questions and ... outlook on life and drive, perception of health and thermoregulation for oncological patients We followed development of the instrument by testing reliability, and validity of construct and content, ... 19) having cold hands and feet, 20) often and quick freezing The symptoms – were integrated in the parallel development process in the CFS-D [19], the symptoms 9–13 have been integrated in the...
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Báo cáo hóa học: "The Pediatric Quality of Life Inventory™ (PedsQL™) family impact module: reliability and validity of the Brazilian version" pdf
... regarding information on their age, kinship and degree of schooling Interviews were performed individually by one of the researchers (ACS) in a room specifically reserved for this end The interviewer ... horizontal line and vertical line anchors at either end labeled "complete meaning disagreement" and "complete meaning agreement", denoted as and 100, respectively; the line was marked in units of and ... (HRQOL) of parents and family in the context of childhood cancer HRQOL measurements have been the target of research investigations in the healthcare field and a number of HRQOL assessment instruments...
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báo cáo hóa học: "Reliability and validity of pendulum test measures of spasticity obtained with the Polhemus tracking system from patients with chronic stroke" pot
... drawing illustrating pendulum test motion sensors Line supine and leg swinging freely with performed with subLine drawing illustrating pendulum test performed with subject supine and leg swinging ... identify any research that examined the use of magnetic tracking systems during pendulum tests of both lower limbs of patients following stroke Moreover, we failed to find any literature addressing the ... spasticity in the lower limbs have not shown it to explain reductions in gait speed [11,16,17] While the objectivity, reliability, and validity of the pendulum test and the simplicity and portability of...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25