validity of the research 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
Ngày tải lên :
18/06/2014, 22:20
... 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 ... 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 ... 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...
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Validity of the achievement written test for non major, second year students at economics department, hanoi open university
Ngày tải lên :
06/02/2014, 14:45
... 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 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...
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Tài liệu Báo cáo " Flora of the Research Forest in Yen Tu, Quang Ninh " docx
Ngày tải lên :
12/02/2014, 10:20
... 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
Ngày tải lên :
12/02/2014, 19:20
... 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 matters
pertaining to the health of the public. The Institute ... 20418
NOTICE: 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
Ngày tải lên :
15/03/2014, 23:15
... Sunscreen
The Wave of the Future?
Modified slightly from the NanoSense web materials
28
How 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 unit
ã
ZnO always has equal numbers of Zn and O atoms
ã
TiO
2
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.html
ã
Total Energy depends on many
factors including the intensity of...
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The validity of the diagnostic methods in predicting pulmonary tuberculosis potx
Ngày tải lên :
29/03/2014, 03:20
... 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
Ngày tải lên :
02/06/2014, 09:22
... Research Report
No 711
A 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
Ngày tải lên :
18/06/2014, 19:20
... 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...
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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
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...
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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
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...
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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
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...
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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
Ngày tải lên :
18/06/2014, 22:20
... 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...
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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
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...
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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
Ngày tải lên :
20/06/2014, 15:20
... 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...
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báo cáo hóa học:" Health status in routine clinical practice: validity of the clinical COPD questionnaire at the individual patient level" potx
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 ... 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 ... 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...
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