Results 21 to 30 of about 5,779,443 (305)

Measurement and adjustment of non-response bias based on non-response surveys: the case of Belgium and Norway in the European Social Survey Round 3

open access: yesSurvey Research Methods, 2010
In earlier rounds of the European Social Survey, non-response bias was studied by using population statistics and call record information (para data). In the third round, a new feature was introduced: two kinds of non-respondent surveys were set up using
Hideko Matsuo   +4 more
doaj   +1 more source

Can Interviewer Observations of the Interview Predict Future Response?

open access: yesMethoden, Daten, Analysen, 2017
Interviewers made four observations related to future participation, respondent cooperation, enjoyment and whether the respondent found the questions difficult, for a large sample of face-to-face interviews at wave four of the UK Millennium Cohort Study (
Ian Plewis   +2 more
doaj   +1 more source

A comparison of two methods of estimating propensity scores after multiple imputation

open access: yes, 2011
In many observational studies, analysts estimate treatment effects using propensity scores, e.g., by matching or sub classifying on the scores. When some values of the covariates are missing, analysts can use multiple imputation to fill in the missing ...
Reiter, Jerome P., Mitra, Robin
core   +3 more sources

Detection of determinant genes and diagnostic via Item Response Theory

open access: yesGenetics and Molecular Biology, 2004
This work presents a method to analyze characteristics of a set of genes that can have an influence in a certain anomaly, such as a particular type of cancer.
Héliton Ribeiro Tavares   +2 more
doaj   +1 more source

Single-Cell Transcriptomic Analysis Reveals the Crosstalk Propensity Between the Tumor Intermediate State and the CD8+ T Exhausted State to be Associated with Clinical Benefits in Melanoma

open access: yesFrontiers in Immunology, 2022
Heterogeneous crosstalk between tumor cells and CD8+ T cells leads to substantial variation in clinical benefits from immunotherapy in melanoma. Due to spatial distribution and functional state heterogeneity, it is still unknown whether there is a ...
Jiali Zhu   +14 more
doaj   +1 more source

Higher responsiveness to rosuvastatin in polygenic versus monogenic hypercholesterolaemia: a propensity score analysis [PDF]

open access: yesEuropean Heart Journal, 2020
Abstract Background The underlying monogenic defect in familial hypercholesterolemia (FH) can be detected in ∼40% of cases. The majority of mutation-negative patients have a polygenic cause of high LDL-cholesterol (LDL-C) due to having inherited a greater than average number of common LDL-C raising ...
Agnieszka Mickiewicz   +11 more
openaire   +5 more sources

Experimental Evaluation of Brake Pad Material Propensity to Stick-Slip and Groan Noise Emission

open access: yesLubricants, 2018
Frictional and dynamic responses of brake pad materials, when sliding on brake disc counterfaces, are at the origin of noise, vibration and harshness (NVH) issues such as brake noise emissions.
Alessandro Lazzari   +5 more
doaj   +1 more source

Artificial intelligence approach for the analysis of placebo-controlled clinical trials in major depressive disorders accounting for individual propensity to respond to placebo

open access: yesTranslational Psychiatry, 2023
Treatment effect in clinical trials for major depressive disorders (RCT) can be viewed as the resultant of treatment specific and non-specific effects.
Roberto Gomeni   +2 more
doaj   +1 more source

Downward calibration property of estimated response propensities

open access: yesActa et Commentationes Universitatis Tartuensis de Mathematica, 2017
We consider four methods for estimating response propensities: three traditional ones (linear, logistic, probit) and one more recent, a decision tree method. We show that some but not all the methods produce estimates that calibrate sample totals of auxiliary variables down to the response set totals.
Natalja Lepik, Imbi Traat
openaire   +2 more sources

No silver bullet for online Survey Response Propensity: evidence from Saudi faculty and graduate students

open access: yesFrontiers in Education
Survey methodology in higher education represents a cornerstone of educational research, with survey participation metrics serving as a key indicator of methodological rigor and validity.
Fatimah Abdullah Al-Abdullatif
doaj   +1 more source

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