design development and validation procedures

... doi:10.4271/2003-01-1655 and validation of exhaust muffler This design methodology will help designers in understanding importance of each step of designing in detail from concept level to validation level ... muffler design, which is used for concept selection and filter out best concept proposal at initial phase of design iv A practical approach for muffler design to optimize product development time and ... exhaust muffler plays an important role for the design and development of mufflers Prediction of pressure drop will be very useful for design and development of muffler To predict pressure drop...

Ngày tải lên: 16/09/2016, 17:14

... contributor to the study design, instrument development and manuscript preparation and contributed to the data analysis and interpretation MH contributed to the study design and manuscript preparation ... NK contributed to the study design, instrument development, and manuscript preparation SL contributed to the instrument development, data analysis and interpretation and manuscript preparation ... IA, Gelfand RA: Development and factor analysis of a questionnaire to measure patient satisfaction with injected and inhaled insulin for type diabetes Diabetes Care 2000, 23:1799-1803 10 Anderson...

Ngày tải lên: 18/06/2014, 19:20

... contributions SM designed and managed the study, identified the items for the valuation exercise and wrote the manuscript JR designed and managed the valuation survey, conducted analysis and reported ... exercise, analysed the validation data and contributed to the writing of the manuscript JB designed and managed the valuation survey, analysed and reported on the valuation data and contributed to ... to 0.156 and generally had fairly large standard deviations (ranging from 0.250 to 0.532) Table shows the results for the mean level and random effects main effects only models (models and 2) For...

Ngày tải lên: 18/06/2014, 19:20

... approach of this study This paper describes the development and validation of this questionnaire: The ReTransQol (RTQ) Methods Study Design for the scale development included three phases over a two-year ... stable and without stressful life events (n = 23; 34.3%), the CC are also high and significant between M0 and M6 (p < 0.001) for four dimensions (PH = 0.79, MH = 0.72, TR = 0.82 and FG = 0.68), and ... the study and its design, coordinated the data management, analyzed and interpreted the data, drafted the manuscript; EJ participated in the design of the study, collected the data and performed...

Ngày tải lên: 18/06/2014, 19:20

... the original web-based survey FJS, SES and FP assessed the quality of the data collected and participated in the design of the validation study and the development of the statistical plan FP ... Health and Quality of Life Outcomes 2007, 5:69 quencies, means and standard deviation on all measures Differences in demographic, clinical and questionnaire scores between the insulin naïve and ... 0.33 (p < 0.001) and -0.12 (p < 0.04) between ITAS-negative and PAID and WHO-5 respectively For the positively worded ITAS subscale, correlations were -0.21 (P < 0.001) with PAID and 0.13 (p < 0.025)...

Ngày tải lên: 18/06/2014, 22:20

... social life, work, and families, and satisfaction with diabetes treatment (such as administering and preparation of injections, carrying, storing and disposing of the insulin, and flexibility in ... depression and parental life satisfaction [4,16] We acknowledge that validation of any instrument is an ongoing process and our validation of WE-CARE is an essential first step toward a fuller validation ... the responsiveness and sensitivity of WE-CARE to changes over time, and in the incorporation of WE-CARE into routine clinical assessments and trials to improve understanding and interpretation...

Ngày tải lên: 18/06/2014, 22:20

... [16,17] for the development and adaptation of quality of life measures and was used for the development of the WHOQOL-OLD module [18,19] Regarding development of new measures or validation of existing ... disorders and, thus, what specific categories should be collapsed to improve the scale Factors I and II demanded that categories two and three were merged, whereas factor III needed categories and ... participated in the study design, statistical analysis and helped to draft the manuscript; CMT participated in the study design and data collection; KL helped to draft the manuscript and took part in...

Ngày tải lên: 18/06/2014, 22:20

... ARS conceived and designed the study, oversaw all stages of data collection and analysis, and drafted the manuscript JW conducted focus groups, provided clinical advice on design and did qualitative ... receiving treatment, and the scales of EDSIS, ECI-negative and GHQ-12 were low, and most were non significant Significant correlations were found between type of diagnosis and Dys- Table 3: Correlations ... underweight correlated with the Nutrition, Guilt and Social Isolation subscales (N = 90, r = 0.23,0.21 and 0.26, p < 0.05, respectively); and vomiting behaviour and binging correlated with the Dysregulated...

Ngày tải lên: 18/06/2014, 22:20

... MFPDI and to evaluate its internal consistency and construct validity Methods Translation process Three Greek-speaking content experts (two podiatrists and one foot and ankle surgeon) and two ... Index: a measure of foot pain and disability J Clin Epidemiol 1991, 44:561-570 Bennett PJ, Patterson C, Wearing S, Baglioni T: Development and validation of a questionnaire designed to measure foothealth ... FHEC07/73) and informed consent was obtained from all participants Medical history questionnaire and demographic information A questionnaire relating to the participants' age, medical history and foot...

Ngày tải lên: 18/06/2014, 22:20

... the scores of FuglMeyer (Hand section), Motor Assessment Scale ("Hand movements" and "Advanced Hand Activities" sections), Stroke Impact Scale (Hand function) scores and the mean value of force ... data analysis and drafted the manuscript, AT and MM supervised the design and the development of the device, JVV coordinated the project, GC participated in the data analysis, SM and PD contributed ... including a computer aided design, the development of three early prototypes and the feedback from the testing, were implemented Refinement and detailing of the conceptual design was a natural result...

Ngày tải lên: 19/06/2014, 08:20

... validity The r-scores for samples and respectively were 72 and 82 for anxiety; 59 and 75 for depression, and 61 and 61 Lastly, we computed means for men and women and each subscale as a function ... concurrent validation of the PSCAN subscales with well established and substantially longer versions of tests that we considered "industry standard" in order to show adequacy of content sampling and ... existing instruments and their respective strengths and weaknesses, the authors and a group of practicing clinicians agreed to focus on anxiety, depression, social support, and health-related quality-oflife...

Ngày tải lên: 20/06/2014, 15:20

... Scale (WEMWBS): development and UK validation Health Qual of Life Outcomes 2007, 5:63 Watson D, Clark LA, Tellegen A: Development and validation of brief measures of positive and negative affect: ... study design, data collection and field supervision CBY led the data management component and quality control process and TYSJ assisted data collection, entry and analysis CS steered the study design, ... PMH ‘General coping’ subscale and the Brief Cope Planning and Acceptance subdomains were 0.21 and 0.30 respectively Our Personal growth and autonomy was positively and highly correlated with PGIS...

Ngày tải lên: 20/06/2014, 15:20

... instructions, questions and response options Finalisation, scoring and psychometric validation of the questionnaire Study population and design To participate in the psychometric validation study [13], ... California, Indiana and Minnesota) and Canada (Toronto and Waterloo) with non-SS KCS (four groups) and SS (two groups) subjects Patients were recruited in hospital-based clinics and private practices ... leisure and social impact, visual-aid impact, tiredness/sleep, appearance/aesthetics and general impacts; and treatment experiences and satisfaction in terms of inconvenience, effectiveness and frequency...

Ngày tải lên: 20/06/2014, 15:20

... Validation of the Self-Management Ability Scale (SMAS) and development and validation of a shorter scale (SMAS-S) among older patients ... of missing items and each item’s mean and standard deviation To verify the factor structure of the questionnaire and to test whether the relationship between observed variables and their underlying ... remaining items (8, and 10) and led to a Cronbach’s alpha below 0.70 Therefore, based on a lower factor loading of item and construct validity, item remained in the selection and item (actively...

Ngày tải lên: 20/06/2014, 16:20

... the original web-based survey FJS, SES and FP assessed the quality of the data collected and participated in the design of the validation study and the development of the statistical plan FP ... Health and Quality of Life Outcomes 2007, 5:69 quencies, means and standard deviation on all measures Differences in demographic, clinical and questionnaire scores between the insulin naïve and ... 0.33 (p < 0.001) and -0.12 (p < 0.04) between ITAS-negative and PAID and WHO-5 respectively For the positively worded ITAS subscale, correlations were -0.21 (P < 0.001) with PAID and 0.13 (p < 0.025)...

Ngày tải lên: 20/06/2014, 16:20

... social life, work, and families, and satisfaction with diabetes treatment (such as administering and preparation of injections, carrying, storing and disposing of the insulin, and flexibility in ... depression and parental life satisfaction [4,16] We acknowledge that validation of any instrument is an ongoing process and our validation of WE-CARE is an essential first step toward a fuller validation ... the responsiveness and sensitivity of WE-CARE to changes over time, and in the incorporation of WE-CARE into routine clinical assessments and trials to improve understanding and interpretation...

Ngày tải lên: 20/06/2014, 16:20

... [16,17] for the development and adaptation of quality of life measures and was used for the development of the WHOQOL-OLD module [18,19] Regarding development of new measures or validation of existing ... disorders and, thus, what specific categories should be collapsed to improve the scale Factors I and II demanded that categories two and three were merged, whereas factor III needed categories and ... participated in the study design, statistical analysis and helped to draft the manuscript; CMT participated in the study design and data collection; KL helped to draft the manuscript and took part in...

Ngày tải lên: 20/06/2014, 16:20

... 10.1186/1477-7525-8-64 Cite this article as: Deal et al., The development and validation of the daily electronic Endometriosis Pain and Bleeding Diary Health and Quality of Life Outcomes 2010, 8:64 ... endometriosis symptoms from the patient's perspective The diary was designed to be used in a clinical trial setting The development and validation processes were consistent with the recommendations ... properties of the EPBD, including structure and scoring, internal consistency reliability, test-retest reliability, and construct and discriminant validity; and to evaluate the ease of use of the...

Ngày tải lên: 20/06/2014, 16:20

... reduction; and d) a validation study to prove determination, reliability, validity, and responsiveness [14-16] The process therefore begins with the development of an outcome domain pool and ends ... study, and the acquisition, analysis and interpretation of the data, and participated in drafting the manuscript PSP contributed to the conception of the study, and acquisition, analysis and interpretation ... Questionnaire: development and validation J Rheumatol 1991, 18:728-733 Bennett R: The Fibromyalgia Impact Questionnaire (FIQ): a review of its development, current version, operating characteristics and...

Ngày tải lên: 09/08/2014, 14:22

... the scores of FuglMeyer (Hand section), Motor Assessment Scale ("Hand movements" and "Advanced Hand Activities" sections), Stroke Impact Scale (Hand function) scores and the mean value of force ... data analysis and drafted the manuscript, AT and MM supervised the design and the development of the device, JVV coordinated the project, GC participated in the data analysis, SM and PD contributed ... including a computer aided design, the development of three early prototypes and the feedback from the testing, were implemented Refinement and detailing of the conceptual design was a natural result...

Ngày tải lên: 11/08/2014, 08:21