validity of the research instrument sample
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
... reliability and construct validity for the entire sample and sub groups of the sample were evaluated.Results: The instrument was deemed sound for the entire sample as well as sub groups based onsex, ... a Root-Mean-SquareError of Approximation [21] of .05 and degrees of free-dom required a minimum sample size of 214 subjects. Sample The convenience sample consisted of 313 children, ages9–15 ... Grant from the University of Michigan Office for Vice President for Research. The author wishes to thank all individuals involved in the recruitment of subjects, and all participants for their time...
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Validity of the achievement written test for non major, second year students at economics department, hanoi open university
... with 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...
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Tài liệu Báo cáo " Flora of the Research Forest in Yen Tu, Quang Ninh " docx
... Planning institute). The most of the plant specimens are kept at the Herbarium of University Forest and other are kept at the Herbarium of National University of Hanoi (HNU). The flora list and ... in the studies of the Yen Tu, Huu Lung and Cat Ba areas, the family Moraceae is listed as one of the 10 largest families although is not one of the 10 largest in Vietnam as a whole. The Moraceae ... because they are one of the 10 largest families in Vietnam as a whole. The genera containing the highest number of species in this study and the other studies are listed in Table 5. The 10...
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Tài liệu INDUSTRIAL TECHNOLOGY ASSESSMENTS: An Evaluation of the Research Program of the Office of Industrial Technologies doc
... and priorities of each IOF group and consider several factors, such as the size of the industrial community, the potential effect of the research on OIT goals, the ability of the industry to ... 1970 by the National Academy of Sciences to secure the services of eminent members of appropriate professions in the examination of policy matterspertaining to the health of the public. The Institute ... 20418NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences,...
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The aim of the research is to study the factors affecting the lifetime of pulsed plasma thruster
... Sunscreen The Wave of the Future?Modified slightly from the NanoSense web materials 28How are inorganic sunscreen ingredients different from organic ones?How might this affect the way they ... (sometimes called “particles”)–Different number of ions can cluster together–Must be a multiple of the formula unitãZnO always has equal numbers of Zn and O atomsãTiO2 always has twice as ... to the total number of packets arriving at a given location (such as our skin)Source: http://www.epa.gov/sunwise/uvwhat.htmlãTotal Energy depends on many factors including the intensity of...
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Pine of the Times Furniture Sample Business Plan (Manufacturing) ppt
... and price of the furniture, the reputation of the manufacturer as well as the reputation of the retailer from whom they buy the furniture, the level of customer service provided,and financing ... Regarding the Collection of Sales Revenuea. We assume that the percent of our sales which are collected in the month they are made, in the month following, in the two months, and in the three ... and the use of part time labor allows us to cost effectively modify production as needed.Other Risks The availability of labor could become a problem with the opening of the new plant. The expansionof...
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The validity of the diagnostic methods in predicting pulmonary tuberculosis potx
... 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...
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a systematic review of the research literature on the use of phonics in the teaching of reading and spelling
... Research Report No 711A Systematic Review of the Research Literature on the Use of Phonics in the Teaching of Reading and Spelling Carole ... University of York ** University of Sheffield The views expressed in this report are the authors’ and do not necessarily reflect those of the Department ... Judgement of evidence overall judgement of the evidence based on three things: the strength of the...
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báo cáo hóa học: " Cross-diagnostic validity of the Nottingham health profile index of distress (NHPD)" doc
... 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 ... firstexamined the fit of the NHPD within each of the two diag-nostic groups separately by dividing the samples intothree class intervals with 57–61 (PD) and 68–74 (PAD)people in each. Next, the samples ... 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...
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báo cáo hóa học: " The reliability and validity of the SF-8 with a conflict-affected population in northern Uganda" doc
... age were collected. The sample sizewas determined with the aim of measuring the reliabilitycoefficients for the PCS and MCS scores of the SF-8. Thisused the assumption that the reliability coefficients ... 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...
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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
... 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...
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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
... 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 ... and the level of well-being expressed by the item. The model can be expressed in the form of a logit model:where ln is the normal log, P is the probability of personn affirming item i; is the ... 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...
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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
... 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...
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Báo cáo hóa học: "The Pediatric Quality of Life Inventory™ (PedsQL™) family impact module: reliability and validity of the Brazilian version" pdf
... 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 ... 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 ... quality of life of the families used for devel-opment of the original instrument was pertinent to Brazil-ian culture. The assessment of semantic equivalence wasperformed between the items from the...
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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
... 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 ... 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 ... collectionA sample of 1,622 adults, aged 18–93, was randomlyselected (simple random sample) from the Registry of the North and South Health Authorities of the city of Bolo-gna, Italy. The adopted...
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