model development and validation

... [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 ... order to expand the scale's properties beyond reliability and validity [20] The Rasch model has been adopted since it permits that data collected may be compared to an expected model and allows ... 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...

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 ... order to expand the scale's properties beyond reliability and validity [20] The Rasch model has been adopted since it permits that data collected may be compared to an expected model and allows ... 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...

Ngày tải lên: 20/06/2014, 16:20

... Practice of Model Development and Use Stewart Robinson Warwick Business School Simulation: The Practice of Model Development and Use Simulation: The Practice of Model Development and Use Stewart ... modelling objectives 6.2.3 Designing the conceptual model: the inputs and outputs 6.2.4 Designing the conceptual model: the model content 6.2.5 The role of data in conceptual modelling ... Verification, Validation and Confidence 12.1 Introduction 12.2 What is verification and validation? 12.3 The difficulties of verification and validation...

Ngày tải lên: 09/04/2014, 17:41

... Management, and Experience of Side Effects and a theoretical model of the impact of AOM on patient functioning and well-being was developed (Figure 1) Based on this theortetical model, and relying ... 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 ... contributed to the study design, instrument development, and manuscript preparation SL contributed to the instrument development, data analysis and interpretation and manuscript preparation DMB was the...

Ngày tải lên: 18/06/2014, 19:20

... the mean level model and 38% for the random effects models, respectively) and both models resulting in two predictive errors greater than 0.10 In both mean and random effects models the predictions ... 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 ... purposes) Health and Quality of Life Outcomes 2008, 6:65 http://www.hqlo.com/content/6/1/65 Table 4: Consistent Mean and Random effects model results Mean level – model Random effects – model Disvalue...

Ngày tải lên: 18/06/2014, 19:20

... 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 ... and have given final approval of the version to be published All authors read and approved the final manuscript Acknowledgements Conclusion This study reported the stages of development and validation ... 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...

Ngày tải lên: 18/06/2014, 19:20

... 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 ... 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 ... 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

... symptoms and behaviours of their ill relative had on their own wellbeing They were generated by a panel of clinicians and researchers based on quantitative and qualitative work with carers and reviewed ... 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 ... Function 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 ... 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

... 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: ... items and their meaning Exploratory factor analysis (EFA): The sample was randomly divided into two halves; one each for EFA and CFA EFA for all 182 candidate items was implemented on the first random ... 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

... 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 ... 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], ... 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 ... model fit to test the measurement models, with cut-off criteria proposed by Hu and Bentler [24] First, the overall test of goodness-of-fit assesses the discrepancy between the implied model and...

Ngày tải lên: 20/06/2014, 16:20

... 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 ... 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 ... 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

... 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 ... setting The development and validation processes were consistent with the recommendations in the FDA Patient Reported Outcomes Guidance to Industry Methods This study was reviewed and approved ... 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

... 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 ... setting The development and validation processes were consistent with the recommendations in the FDA Patient Reported Outcomes Guidance to Industry Methods This study was reviewed and approved ... 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: 12/08/2014, 01:21

... and logistics MAR, FH, AA, LCS and JC were responsible for the design of the study MAR and FH carried out the analysis and interpretation of data FR and RH were responsible of the logistics and ... knowledge debriefing sample: composed of eight men and eight women; (2) pilot sample: composed of 13 randomly enrolled patients; and (3) reduction and validation sample: defined by applying three representativeness ... by the responsible clinician and the tolerability and effectiveness assessments by both the clinician and the patient The DCF was administered to the reduction and validation sample The data collected...

Ngày tải lên: 12/08/2014, 01:21