reliability and validity of measurement

... Davies, 1983) and predicative validity, where test scores are correlated with some future criterion of performance (Bachman and Palmer, 1981) 2.3.3 Reliability and Validity Reliability and validity ... all agree that 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 ... review of major characterictics of a good test with the major focus on test reliability and validity Finally, in Section 2.4, the achievement test and its types are explored 2.1 The importance of...

Ngày tải lên: 07/11/2012, 15:05

... Feasibility, reliability and validity of health-related quality of life questionnaire among adult pulmonary tuberculosis patients in urban Uganda: cross-sectional study Health and Quality of Life ... outcome, and thus 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 ... shown to 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...

Ngày tải lên: 15/03/2014, 03:20

... 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, ... stage of cancer, surgery and chemotherapy see table The data on CFS-D, State aR and EORTC are published elsewhere Statistics of both parts of the study A reliability analysis of all 12 items of ... ability of problem solving, security and inner congruence and resilience in terms of importance and manageability, and two additional items addressing perceptions of coldness/chillness and warmth...

Ngày tải lên: 18/06/2014, 18:20

... However, the reliability and validity of the SF-8 has not been demonstrated for use with populations affected by conflict The purpose of this study was to test the validity and reliability of the SF-8 ... conflict-affected populations and have been widely used and tested for reliability and validity in a number of countries [6,7,13,23,28-34] The HTQ and HSCL-25 are consistent with the Diagnostic and Statistical ... Health and Quality of Life Outcomes 2008, 6:108 health of conflict-affected populations This study provides evidence on the reliability and validity of the SF-8 amongst IDPs in northern Uganda...

Ngày tải lên: 18/06/2014, 19:20

... 12 of the "sleep adequacy" dimension of the Australian, Hungarian and UK English versions, and item of the South African, item of the "somnolence" dimension of the German and South African and ... adequate and generally comparable reliability and validity The responsiveness of the tool was also demonstrated on the pooled population The robustness of the structure of the "sleep disturbance" and ... some results showed the reliability and validity of the translated versions, they not allow the cross-cultural validity of the MOS-Sleep to be fully addressed Cross-cultural validity is a very complex...

Ngày tải lên: 18/06/2014, 19:20

... and 1.1%; Poland, 0.7% and 0.7%; Spain, 0.6% and 0.6% In cases where more than 6% of the data were missing (Germany, Hungary and Italy), characteristics (age, gender, duration and frequency of ... 11 implies definite cases of anxiety or depression, a cut-off of 8–10 a probable case, and < not a case The validity and reliability of the HAD have been reported in several studies [45,46] The ... scale where represents absence of troublesome symptoms and represents very troublesome symptoms The reliability and validity of the GSRS are well-documented [37], and norm values for a general...

Ngày tải lên: 18/06/2014, 22:20

... the assessment of the heath-related quality of life of parents and families could contribute toward their healthcare needs [3,21,22] This study presents the reliability and validity of the Brazilian ... child and family adjustment Journal of child psychology and psychiatry, and allied disciplines 1998, 39(1):29-46 Eiser C: Psychological effects of chronic disease Journal of child psychology and ... LC, Spector N: Brazilian version of the QLQ-LC13 lung cancer module of the European Organization for Research and Treatment of Cancer: preliminary reliability and validity report Qual Life Res 2006,...

Ngày tải lên: 18/06/2014, 22:20

... one of the investigators Once relaxation was assured by palpation of the patellar tendon, free mobilization of the patella and slight hefts and releases of the leg, data capture was initiated and ... shown to have acceptable measurement properties We therefore purposed to determine the intrasession reliability and validity of the test performed with an unweighted and weighted limb the tested ... curve, W = weight, NW = no weight and by employing other tests meant to reflect spasticity, we were able to examine the reliability and validity of the test as well Measurements obtained with the...

Ngày tải lên: 19/06/2014, 08:20

... 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 ... Chariyalertsak et al.: Reliability and validity of Thai versions of the MOS-HIV and SF-12 quality of life questionnaires in people living with HIV/AIDS Health and Quality of Life Outcomes 2011 ... construct validity of the quality of life scales Nonetheless, it is likely to have introduced additional random error into the estimate of CD4 count and attenuated the correlation with quality of life...

Ngày tải lên: 20/06/2014, 15:20

... 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 ... 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 ... appearance of mental health problems Our results support the convergent validity of the scale because they showed that both the quality of sleep and the mean score of the MCS worse in both men and women...

Ngày tải lên: 20/06/2014, 15:20

... 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 ... the HRQOL of children with cancer living in mainland China The objective of this study was to investigate the feasibility, reliability, and validity of the Chinese mandarin version of the PedsQL ... feasibility, reliability and validity of the Chinese mandarin version of PedsQL 4.0 Generic Core Scales and the Cancer Module Further studies should focus on testing responsiveness of the Chinese mandarin...

Ngày tải lên: 20/06/2014, 15:20

... quality of life of Iranian children with type diabetes: reliability and validity of the Persian version of the PedsQL TM Generic Core Scales and Diabetes Module Peyman Jafari1, Elham Forouzandeh ... results of convergent, discriminant and internal consistency were not reported by age group Because of this, we cannot be sure of the external validity of self- and proxy-reports for the children of ... reliability and validity of the Persian version of the PedsQLTM 4.0 Generic Core Scales and the PedsQLTM 3.0 Diabetes Module are the main goals of this study Methods Participants and instruments...

Ngày tải lên: 20/06/2014, 15:20

... Estrada et al.: Reliability and validity of the Spanish version of the Child Health and Illness Profile (CHIP) Child-Edition, Parent Report Form (CHIP-CE/PRF) Health and Quality of Life Outcomes ... (Directive 95/46/EC of the European Parliament and of the Council of 24 October 1995 on the protection of individuals with regard to the processing of personal data and on the free movement of such data) ... comfort, and resilience, less risk, and better achievement To facilitate interpretation of the scores and enable comparison of different subgroups of children, the domains and subdomains are standardized...

Ngày tải lên: 20/06/2014, 16:20

... SD, standard deviation AUDIT Q6 Discussion AUDIT has a high level of internal consistency and high reliability and validity in relation to clinical diagnosis It detects 97% of patients and with ... Overall, in Europe alcohol abuse and addiction is held responsible for 1.8 million deaths (that is, 3.2% of the total causes of mortality) and 58.3 million (4%) of the total of life years in incapacity ... emotional and personality disorders as well as attention deficit disorder and hyperactivity [18] AUDIT is a reliable and sensitive instrument and is widely used in Europe and the rest of the world...

Ngày tải lên: 08/08/2014, 23:21

... worry 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 ... university and aged 18 years or over It was estimated that a sample of 97 students was needed to give 80% power of calculation with 95% confidence level and error of 0.1 Assuming a response rate of 30-50%, ... deprivation and disability, Education, skills and training deprivation, Barriers to housing and services, Living environment deprivation and Crime) A rank of is assigned to the most deprived area and...

Ngày tải lên: 11/08/2014, 16:22

... article as: Yohannes et al.: Reliability and validity of a single item measure of quality of life scale for adult patients with cystic fibrosis Health and Quality of Life Outcomes 2011 9:105 ... global quality of life scale demonstrate evidence of the reliability and validity for measuring the health status of adult patients with cystic fibrosis The single item global quality of life scale ... conduct of the study and the editing of the article JM contributed to the statistical analyses and editing of the manuscripts KW participated in the study design, preparation and the editing of the...

Ngày tải lên: 11/08/2014, 23:22

... version of the Leicester Cough Questionnaire (LCQ) and to confirm its reliability, validity and responsiveness Methods The Leicester Cough Questionnaire (LCQ) The LCQ is a cough specific quality of ... domains and the total score In addition, the results of the original LCQ are shown Quality of life is a subjective parameter Objective measurement of cough using a 24-hour registration of cough ... contributions AH and MW participated in the design of the study and helped to draft the manuscript SU participated in the design of the study and performed the statistical analysis JB conceived of the...

Ngày tải lên: 13/08/2014, 08:20

... intraexaminer reliability, interexaminer reliability, and validity of MMT in the assessment of patients Methods Online resources were searched using Pubmed and CINAHL (Cumulative Index to Nursing and Allied ... of 0.50 or higher (the magnitude of the effect size shown in the study to be significant) in regards to the intra- and inter-examiner reliability, and/ or the validity (construct and content validity, ... reliability The reliability of a diagnostic method is the consistency of that measurement when repeated Depending on the type of measurement that is performed, different types of reliability coefficients...

Ngày tải lên: 13/08/2014, 14:20

... 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 (items and 4) were between and 0.25% of all ratings ... (RWD) and Dr Alexander Schacht (AS) are full-time employees of Lilly Deutschland Prof Manfred Döpfner (MD) has received research grants and speaker honoraria from Eli Lilly and he is a member of ... review of measures of quality of life for children with chronic illness Arch Dis Child 2001, 84:205-211 Raat H, Bonsel GJ, Essink-Bot ML, Landgraf JM, Gemke RJBJ: Reliability and validity of comprehensive...

Ngày tải lên: 13/08/2014, 18:21