Results 51 to 60 of about 84,950 (309)
GENDER DIFFERENCES IN HIGH-STAKES MATHS TESTING. FINDINGS FROM POLAND
The present research investigates gender gaps in the results of secondary school exit exams (Matura) in mathematics in Poland in 2015. The analysis shows that, in the basic level exam, males are highly overrepresented at the upper end of the score ...
Zawistowska Alicja
doaj +1 more source
Analysis of multicenter clinical trials with very low event rates
Introduction In a five-arm randomized clinical trial (RCT) with stratified randomization across 54 sites, we encountered low primary outcome event proportions, resulting in multiple sites with zero events either overall or in one or more study arms.
Jiyu Kim+6 more
doaj +1 more source
A survey of statistics in three UK general practice journal [PDF]
Background Many medical specialities have reviewed the statistical content of their journals. To our knowledge this has not been done in general practice.
A Donner+33 more
core +3 more sources
This study intended to investigate theoperations of various theory-based Differential Item Functioning (DIF) methodsunder different scoring situations.
Hüseyin Selvi, Devrim Alıcı
doaj +3 more sources
Applying Item Response Theory (IRT) Modeling to an Observational Measure of Childhood Pragmatics: The Pragmatics Observational Measure-2 [PDF]
Assessment of pragmatic language abilities of children is important across a number of childhood developmental disorders including ADHD, language impairment and Autism Spectrum Disorder.
Cordier, Reinie+5 more
core +2 more sources
NXY-059 for the treatment of acute stroke: pooled analysis of the SAINT I and II trials [PDF]
<p><b>Background and Purpose:</b> In animal models of acute ischemic stroke (AIS), the free radical-trapping agent NXY-059 showed promise as a neuroprotectant.
Alderfer, V.+11 more
core +1 more source
APPLICATION OF THE MANTEL‐HAENSZEL PROCEDURE TO COMPLEX SAMPLES OF ITEMS [PDF]
ABSTRACTThis Monte Carlo study examined the effect of complex sampling of items on the measurement of differential item functioning (DIF) using the Mantel‐Haenszel procedure. Data were generated using a 3PL IRT model according to the balanced incomplete block design used in the National Assessment of Educational Progress (NAEP).
Nancy L. Allen, John R. Donoghue
openaire +2 more sources
Frequentist analysis of basket trials with one‐sample Mantel‐Haenszel procedures
Recent substantial advances of molecular targeted oncology drug development is requiring new paradigms for early‐phase clinical trial methodologies to enable us to evaluate efficacy of several subtypes simultaneously and efficiently. The concept of the basket trial is getting of much attention to realize this requirement borrowing information across ...
Satoshi Hattori, Satoshi Morita
openaire +3 more sources
The sigmoid colon was the most common perforation site among patients with colonic diverticular perforation. The patients' conditions, length of hospital stay, and hospitalization cost were significantly worse in left‐sided colon diverticular perforation than in right‐sided colon diverticular perforation. The clinical characteristics differed according
Minoru Fujita+29 more
wiley +1 more source
Evidence of epistasis between Interleukin-1 and Selenoprotein-S with susceptibility to rheumatoid arthritis [PDF]
Objective: Selenoprotein-S (SELS) is involved in the stress response within the endoplasmic reticulum (ER) and inflammation. Recently, promoter variants in the SELS gene were shown to be associated with plasma levels of interleukin (IL)6, IL1β and tumour
Binks, M.H.+5 more
core +2 more sources