validity of the instrument

Báo cáo hóa học: " Reliability and construct validity of the Participation in Life Activities Scale for children and adolescents with asthma: an instrument evaluation study" docx

... asthma.ConclusionFindings of this study provide evidence of internal consist-ency reliability and construct validity of the PLA as ameasure of one aspect of quality of life for children andadolescents ... severity of asthma tappingboth 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 1Scoring of the Participation in Life Activities Scale is completed by computing the mean scores for each of the three indicators before summing the indicator...

Validity of the achievement written test for non major, second year students at economics department, hanoi open university

Danh mục: Khoa học xã hội

... 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 chaptersChapter ... the range of the test is 6. This is meant that the test involves the items that rankfrom 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 testWhen being asked about the difficulty of the test, 23% of the students share the sameidea that the test is difficult, so it is hard for them to get mark...

The validity of the diagnostic methods in predicting pulmonary tuberculosis potx

Danh mục: Sức khỏe giới tính

... 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...

báo cáo hóa học: " Cross-diagnostic validity of the Nottingham health profile index of distress (NHPD)" doc

Danh mục: Hóa học - Dầu khí

... with the model, Rasch derived measures have the same meaningthroughout the range of measurement and the relativelocations of any two items (or persons) are independent of the locations of other ... sample. Another limitationcould be the concurrent use of multiple questionnaires insome of the original studies and the fact that people didnot respond to the 24-item NHPD but to the 38-itemNHP, ... anddrafting 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...

báo cáo hóa học: " The reliability and validity of the SF-8 with a conflict-affected population in northern Uganda" doc

Danh mục: Hóa học - Dầu khí

... suggest a very weak association of the vitality itemwith MCS. Further studies could investigate the validity of the vitality item. The inter -instrument comparison between the SF-8 andHTQ and HSCL-25 ... [8]. The correlations between the items andPCS 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 showthat the dimensions of an instrument correlate with otherdimensions of that instrument or another instrument which theory suggests should be...

báo cáo hóa học: " Evaluation of the reliability and validity of the Medical Outcomes Study sleep scale in patients with painful diabetic peripheral neuropathy during an international clinical trial" pot

Danh mục: Hóa học - Dầu khí

... 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 than99% 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 Germanand South African and item 3 of the "sleep disturbance"dimension of the Hungarian version.Construct...

báo cáo hóa học: " Internal construct validity of the Warwick-Edinburgh Mental Well-being Scale (WEMWBS): a Rasch analysis using data from the Scottish Health Education Population Survey" potx

Danh mục: Hóa học - Dầu khí

... estimates of the internal con-struct validity of the scale, the total data set is randomisedinto two further sets of approximately 50% of cases. Finalresults concerning the validity of the scale ... function of the differencebetween 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 genderbias in the scale so that the effect of gender...

báo cáo hóa học: " Reliability and validity of the Gastrointestinal Symptom Rating Scale (GSRS) and Quality of Life in Reflux and Dyspepsia (QOLRAD) questionnaire in dyspepsia: A six-country study" pptx

Danh mục: Hóa học - Dầu khí

... tosupport 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 furtherassess 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. Acut-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...

Báo cáo hóa học: "The Pediatric Quality of Life Inventory™ (PedsQL™) family impact module: reliability and validity of the Brazilian version" pdf

Danh mục: Điện - Điện tử

... 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 theirhealthcare needs [3,21,22].This study presents the reliability and validity of the ... between the first and the second interviews.Cross-cultural adaptationDuring the cross-cultural adaptation, the group of special-ists stated that the concept of the impact of childhoodcancer on the...

báo cáo hóa học:" Assessing the construct validity of the Italian version of the EQ-5D: preliminary results from a cross-sectional study in North Italy" docx

Danh mục: Hóa học - Dầu khí

... well as the proportions of respondentsreporting 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 wasto test its concurrent validity with the SF-12.MethodsStudy ... status.ConclusionOur data provide evidence on the construct validity of the Italian version of the EQ-5D in a general population of alarge city in North Italy. The measurements of the EQ-5Dbehaved in patterns...

báo cáo hóa học:" Health status in routine clinical practice: validity of the clinical COPD questionnaire at the individual patient level" potx

Danh mục: Hóa học - Dầu khí

... higherthan the precision. The CCQ scores of the patients werewithin the limits of the MCID of the scor es of the treat-ing clinician in 62% and the mean score of the reviewingclinicians in 63%. The ... with the patients on the day of the con-sultation. Patients were asked to comment on everyseparate concept of the questionnaire. They were askedwhat 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...

báo cáo hóa học: " Reliability and validity of the Spanish version of the 10-item Connor-Davidson Resilience Scale (10-item CD-RISC) in young adults" potx

Danh mục: Hóa học - Dầu khí

... items of the scale as in the originalversion in English. The convergent validity was analyzed by testing whether the mean of the scores of the mentalcomponent of SF-12 (MCS) and the quality of ... underlying the 10 items of the scale. The reliability of the Spanish version of the 10-itemCD-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 healthproblems. 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...

báo cáo hóa học:" Measuring 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 Module" pdf

Danh mục: Hóa học - Dầu khí

... 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...