definition of test reliability and validity

... 12 (page number not for citation purposes) Health and Quality of Life Outcomes Open Access Research Evaluation of the reliability and validity of the Medical Outcomes Study sleep scale in patients ... results showed the reliability and validity of the translated versions, they do not allow the cross-cul- tural validity of the MOS-Sleep to be fully addressed. Cross-cultural validity is a very ... item 12 of the "sleep adequacy" dimension of the Australian, Hungarian and UK English versions, and item 4 of the South African, item 6 of the "somnolence" dimension of the...

Ngày tải lên: 18/06/2014, 19:20

... theory and principles of Language Testing, major characteristics of a good test, especially test validity and reliability, achievement test and statistic methods used in interpreting test results. ... 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 ... kinds of achievement tests: final achievement test and progress achievement test. Final achievement tests are those administered at the end of a course of study. They may be written and administered...

Ngày tải lên: 07/11/2012, 15:05

... and validity of the test performed with an unweighted and weighted limb. Methods Subjects Based on published information and our expectation that the angle of first reversal of the pendulum test ... Pendulousness of the legs as a diagnostic test. Neurology 1951, 1:18-24. 5. Bajd T, Vodovnik L: Pendulum testing of spasticity. J Biomed Eng 1984, 6:9-16. 6. Bohannon RW: Variability and reliability of ... reliability, and validity of the pen- dulum test and the simplicity and portability of the Pol- hemus tracking system provide support for its use, the convergent validity of the measures obtained with the...

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 08/08/2014, 23:21

... and thus increasing the likelihood of adequa te case management in TB programs. Despite the availability of standard instruments for assessing HRQoL [6-8], the feasibility; reliability; and validity ... to a wide -range of patients particularly countries in sub-Saharan Africa with a high burden of TB and HIV. Our study was not without limitations including lack of test re -test reliability for ... in the design of the study, critical review of the manuscript, and final approval of the version to be published. AK participated in the design of the study and critical review of the manuscript....

Ngày tải lên: 15/03/2014, 03:20

... outlook on life and drive, per- ception 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 2. 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 ... for all participants of study 1 with SPSS 15.0 to check for item-item and item-total-correlation of r ≥ 0.40 and a Cronbach's-α -reliability of r ≥ 0.70. The test- retest reliabil- ity was...

Ngày tải lên: 18/06/2014, 18:20

... the original SF-36. Tests of scaling assumptions Tests of scaling assumptions determine the appropriate- ness of including an item in a particular scale and the validity of using the summated ... C, Chaithiraphan S: Reliability of Thai version of SF-36 questionnaire for the eval- uation of quality of life in cardiac patients. Journal of the Medical Association of Thailand 2000, 83:S130-136. 2. ... functioning and quality of life of depressive patients with 12 weeks of psychiatric care. Journal of the Medical Association of Thailand 2005, 88:1261-1266. 3. van Griensven F, Chakkraband M, Thienkrua...

Ngày tải lên: 18/06/2014, 19:20

... con- flict-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 ... Test- retest showed a good intraclass correlation of 0.61 for PCS and 0.68 for MCS. The principal component analysis indicated strong construct validity and concurred with the results of the validity ... in which 9% of respondents were in response option 1 or 2. Reliability The ICC test- retest reliability results from the smaller sur- vey (N = 82) were 0.61 for PCS and 0.68 for MCS and so showed...

Ngày tải lên: 18/06/2014, 19:20

... analysis. Test- retest values of subgroups and total scores were compared with the Wilcoxon signed rank test (two-tailed). The test- retest reliability was calculated on the answers of 65 parents who ... test- retest reliability from time one to time two. The results of our study showed excellent to good test and retest reliability [23]. Family financial status, educational status, age of child, number ... Central Page 1 of 7 (page number not for citation purposes) Health and Quality of Life Outcomes Open Access Research Turkish version of impact on family scale: a study of reliability and validity Nilgun...

Ngày tải lên: 18/06/2014, 19:20

... percentage of missing data in the GSRS and QOLRAD, respectively, were as follows: South Africa, 2.7% and 2.7%; Germany, 6.4% and 12.7%; Hungary, 8.8% and 8.8%; Italy, 6.3% and 1.1%; Poland, 0.7% and 0.7%; ... internal consistency reliability of the GSRS was 0.43–0.87 and of the QOLRAD 0.79– 0.95. Test- retest reliability of the GSRS was 0.36–0.75 and of the QOLRAD 0.41–0.82. GSRS Abdominal pain domain correlated ... the test- retest reliability of the GSRS was not acceptable. Conclusion In conclusion, the German, Hungarian, Italian, Polish, Spanish and Afrikaans versions of GSRS and QOLRAD are reliable and...

Ngày tải lên: 18/06/2014, 22:20

... 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 Bra- zilian ... Street, Montreal, QC, H3A 2B2, Canada and 3 Department of Pediatrics, College of Medicine, Department of Landscape Architecture and Urban Planning, College of Architecture, Texas A&M University, ... the rationale and design of the study, ACS and CMV performed the sta- tistical analysis and interpretation of the data, ACS, SMP and PJA drafted the manuscript. All authors read and approved the...

Ngày tải lên: 18/06/2014, 22:20

... percentage of scores at the floor and ceiling and Cronbach's alpha are shown in Table 2. All the self-report scales and proxy-report scales exceeded the minimum reliability standard of 0.70. ... young adolescent's quality of life and mental health. The objective of the current paper was to evaluate reliabil- ity and validity of the Norwegian translation of the Ped- sQL™ (version 4.0 ... Central Page 1 of 9 (page number not for citation purposes) Health and Quality of Life Outcomes Open Access Research Measuring health-related quality of life in young adolescents: Reliability and validity...

Ngày tải lên: 20/06/2014, 15:20

... Health and Quality of Life Outcomes 2011, 9:15 http://www.hqlo.com/content/9/1/15 Page 7 of 9 RESEARCH Open Access Reliability and validity of Thai versions of the MOS-HIV and SF-12 quality of life ... and 0.003 respectively: MHS and MCS were not significant (0.092 and 0.104 respectively). Discussion The results of this initial test provide evidence for acceptable reliability and validity of ... 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 9:15. Submit...

Ngày tải lên: 20/06/2014, 15:20

... the 10 items of the scale. The reliability of the Spanish version of the 10-item CD-RISC was simil ar to that of the original versio n (Cronbach’s a of the original version = 0.85 and of the Spanish ... original version in English. The aim of this study was to evaluate the validity and reliability of the Spanish version of the 10-item CD-RISC in young adults and to verify whether it is structure ... original version in English. The convergent validity was analyzed by testing whether the mean of the scores of the mental component of SF-12 (MCS) and the quality of sleep as measured with the Pittsburgh...

Ngày tải lên: 20/06/2014, 15:20

... [http://www.pedsql.org]. 23. Raat H, Landgraf JM, Oostenbrink R, Moll HA, Essink-Bot ML: Reliability and validity of the Infant and Toddler Quality of Life Questionnaire (ITQOL) in a general population and respiratory ... con- sistency reliability, test- retest reliability, item-subscale correlations, construct validity and concordance between child self-reports and parent proxy-reports. Methods Subjects and Settings Subjects ... For the total sample and the patients of different age groups, the ICCs were close to or higher than the recommend standard of 0.8, indicating a good test- retest reliability of the scale. This...

Ngày tải lên: 20/06/2014, 15:20

... understand 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 ... 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 ... and the low level of schooling in the sample. Although Cronbach’s alpha represents the lower bound of the reliability of a measurement instrument, and is a conservative estimate of actual reliability...

Ngày tải lên: 20/06/2014, 15:20

Ngày tải lên: 20/06/2014, 15:20

Ngày tải lên: 20/06/2014, 16:20

Ngày tải lên: 11/08/2014, 16:22