Results 31 to 40 of about 7,349,903 (259)

Corrigendum to "A review of effect sizes and their confidence intervals, Part I: The Cohen's d family" [PDF]

open access: yesTutorials in Quantitative Methods for Psychology, 2018
Two errors have been found in the published article that are corrected here. All the simulations reported were error-free.
Goulet-Pelletier, Jean-Christophe   +1 more
doaj   +1 more source

Wide-Range Digital-Analog Mixed Calibration Technology of a DC Instrument Transformer Test Set

open access: yesIEEE Access, 2021
A DC instrument transformer test set (ITTS), as an error measurement device for DC instrument transformers, needs to be calibrated regularly to ensure its accuracy. Existing calibration technology can only achieve DC ITTS error calibrations within a zero
Haoliang Hu   +6 more
doaj   +1 more source

Comparison of Propensity Score Weighting Methods to Remove Selection Bias in Average Treatment Effect Estimates

open access: yesInternational Journal of Turkish Education Sciences, 2023
In this Monte Carlo simulation study, the performance of six different propensity score methods implemented through weighting cases was investigated: inverse probability of treatment weighting, truncated inverse probability of treatment weighting ...
Sungur Gürel, Walter Lana Leite
doaj   +1 more source

BMI: Body Mass Index, error bars represent the standard error.

open access: yes, 2013
BMI: Body Mass Index, error bars represent the standard error.
Karleen M. Schulze (281603)   +9 more
core   +2 more sources

Improved method for assessing incidence of Citrus tristeza virus in large scale monitoring

open access: yesPhytopathologia Mediterranea, 2015
Citrus tristeza virus (CTV) induces typical quick decline when citrus trees are grafted onto the sour orange. The virus is efficiently vectored by different aphid species. Large scale CTV monitoring and eradication requires a precise sampling and testing
Anna Maria D'ONGHIA   +6 more
doaj   +1 more source

What to use to express the variability of data: Standard deviation or standard error of mean? [PDF]

open access: yesPerspect Clin Res, 2012
Statistics plays a vital role in biomedical research. It helps present data precisely and draws the meaningful conclusions. While presenting data, one should be aware of using adequate statistical measures. In biomedical journals, Standard Error of Mean (
Barde MP, Barde PJ.
europepmc   +2 more sources

The standard error of measurement is a more appropriate measure of quality for postgraduate medical assessments than is reliability: an analysis of MRCP(UK) examinations [PDF]

open access: yes, 2010
Background: Cronbach's alpha is widely used as the preferred index of reliability for medical postgraduate examinations. A value of 0.8-0.9 is seen by providers and regulators alike as an adequate demonstration of acceptable reliability for any ...
Dewhurst, NG   +14 more
core   +2 more sources

Investigating the Effect of Missing Data on the Experimental Test of Mathematics for the Second-Secondary Students

open access: yesJournal of Educational, Cultural and Psychological Studies, 2022
This study aimed to uncover the effect of the missing values using the Rasch model on an experimental test of mathematics for the second-secondary students.
Aiman Mohammad Freihat
doaj   +1 more source

Variance estimation for complex indicators of poverty and inequality using linearization techniques

open access: yesSurvey Research Methods, 2009
The paper presents the Eurostat experience in calculating measures of precision, including standard errors, confidence intervals and design effect coefficients - the ratio of the variance of a statistic with the actual sample design to the variance of ...
Guillaume Osier
doaj   +1 more source

Estimated annual retention means ± standard error.

open access: yes, 2022
Estimated annual retention means ± standard error.
Nandan H. Shetty (12436629)   +4 more
core   +1 more source

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