validity of the instrument

... asthma. Conclusion Findings of this study provide evidence of internal consist- ency reliability and construct validity of the PLA as a measure of one aspect of quality of life for children and adolescents ... severity of asthma tapping both pathophysiological aspects and responses to the con- Scoring of the Participation in Life Activities Scale is completed by computing the mean scores for each of the ... summing the indicator scoresFigure 1 Scoring of the Participation in Life Activities Scale is completed by computing the mean scores for each of the three indicators before summing the indicator...

Ngày tải lên: 18/06/2014, 22:20

... presenting the rationale, the scope of the study, the aims of the study, the methods of the study and the design of the study. Part 2 is the body of the thesis which consists of three chapters Chapter ... the range of the test is 6. This is meant that the test involves the items that rank from the easiest to the most difficult ones and the test items, therefore, may cover the content of the course ... Students’ comments on the difficulty of the test When being asked about the difficulty of the test, 23% of the students share the same idea that the test is difficult, so it is hard for them to get mark...

Ngày tải lên: 06/02/2014, 14:45

... for the tuberculosis are compatible with the literature. These methods in the diagnosis of tuberculosis are still valid. We think our study may add to the current data in the literature about the ... mostly in the poorest communities of the developing world. One third of the world’s population has latent TB which may later develop into an active form of the disease. TB has also become the leading ... history. The sensitivity and specificity value of clinical features and history was powerful enough compared with the other diagnostic methods. Conclusion In our study, the validity of the...

Ngày tải lên: 29/03/2014, 03:20

... with the model, Rasch derived measures have the same meaning throughout the range of measurement and the relative locations of any two items (or persons) are independent of the locations of other ... sample. Another limitation could be the concurrent use of multiple questionnaires in some of the original studies and the fact that people did not respond to the 24-item NHPD but to the 38-item NHP, ... and drafting of the manuscript. RK participated in designing the study and drafting of the manuscript. PH conceptual- ized and participated in designing the study, conducted the analyses and drafted the...

Ngày tải lên: 18/06/2014, 19:20

... suggest a very weak association of the vitality item with MCS. Further studies could investigate the validity of the vitality item. The inter -instrument comparison between the SF-8 and HTQ and HSCL-25 ... [8]. The correlations between the items and PCS and MCS components were then compared with the hypothesised correlations. The variance explained (the percent of the total measured variance in the ... Test [42,48,49]. Convergent validity seeks to show that the dimensions of an instrument correlate with other dimensions of that instrument or another instrument which theory suggests should be...

Ngày tải lên: 18/06/2014, 19:20

... medication. The analysis of the psychometric properties was per- formed on all subjects who completed at least 50% of the items of the MOS-Sleep at the baseline visit (more than 99% of the sample). The ... 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 ... versions, and item 4 of the South African, item 6 of the "somnolence" dimension of the German and South African and item 3 of the "sleep disturbance" dimension of the Hungarian version. Construct...

Ngày tải lên: 18/06/2014, 19:20

... estimates of the internal con- struct validity of the scale, the total data set is randomised into two further sets of approximately 50% of cases. Final results concerning the validity of the scale ... function of the difference between the person's level of, for example, mental well- being, and the level of well-being expressed by the item. The model can be expressed in the form of a logit ... note that the detection of and, if necessary, the adjustment for DIF, does not remove the effect of gender, but rather ensures that there is no gender bias in the scale so that the effect of gender...

Ngày tải lên: 18/06/2014, 19:20

... to support the validity of the Scandinavian language versions of the GSRS and the QOLRAD in patients with GERD [41]. Future studies could use this approach to further assess the validity of the additional ... and severity of symptoms, thereby confirming the known-groups validity of the instruments. Known-groups validity has also been confirmed for several translations of the GSRS and the QOLRAD in ... scale. The higher scores indicate the presence of problems. A cut-off of > 11 implies definite cases of anxiety or depres- sion, a cut-off of 8–10 a probable case, and < 7 not a case. The validity...

Ngày tải lên: 18/06/2014, 22:20

... understanding the instructions and response choices of the instrument. However, they made a number of suggestions for replac- ing words and expressions. Construct validity The construct validity of the ... illness, 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 ... between the first and the second interviews. Cross-cultural adaptation During the cross-cultural adaptation, the group of special- ists stated that the concept of the impact of childhood cancer on the...

Ngày tải lên: 18/06/2014, 22:20

... well as the proportions of respondents reporting impairment in the 5 EQ domains. The magni- tude and significance of the ORs for the EQ-5D domains, as well as the sign and significance of the regression ... and construct validity of the Ital- ian version of the EQ-5D in a random sample of the citizens of Bologna (North Italy). Our secondary goal was to test its concurrent validity with the SF-12. Methods Study ... status. Conclusion Our data provide evidence on the construct validity of the Italian version of the EQ-5D in a general population of a large city in North Italy. The measurements of the EQ-5D behaved in patterns...

Ngày tải lên: 20/06/2014, 15:20

... higher than the precision. The CCQ scores of the patients were within the limits of the MCID of the scor es of the treat- ing clinician in 62% and the mean score of the reviewing clinicians in 63%. The ... with the patients on the day of the con- sultation. Patients were asked to comment on every separate concept of the questionnaire. They were asked what thoughts they had during completion of the ... others [19]. In contrast to other patient-proxy agree- ment studies, only two clinicians participated in the recruitment of the patients and the scorin g of the CCQ, as the main research...

Ngày tải lên: 20/06/2014, 15:20

... items of the scale as in the 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 ... underlying 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 ... predict the appearance of mental health problems. Our re sults support the convergent validity of the scale beca use they showed that both the quality of sleep and the mean score of the MCS worse...

Ngày tải lên: 20/06/2014, 15:20

... and the remaining patients (38.7%) had solid tumors. The mother answered the questionnaires in 82.7% of the cases and the father in 17.3% of the cases. 109 (41.0%) patients completed all therapy ... 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 the ... Functioning score, the mean is computed as the sum of the items divided by the number of the items answered in the Emotional, Social, and School Functioning Scale. PedsQL 3.0 Cancer Module The PedsQL...

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: 08/08/2014, 23:21

Ngày tải lên: 11/08/2014, 15:22

Ngày tải lên: 11/08/2014, 16:22

Ngày tải lên: 12/08/2014, 01:21

Ngày tải lên: 12/08/2014, 01:22