Results 31 to 40 of about 14,844 (256)

Polling India via regression and post-stratification of non-probability online samples.

open access: yesPLoS ONE, 2021
Recent technological advances have facilitated the collection of large-scale administrative data and the online surveying of the Indian population. Building on these we propose a strategy for more robust, frequent and transparent projections of the ...
Roberto Cerina, Raymond Duch
doaj   +1 more source

On the Use of Gradient Boosting Methods to Improve the Estimation with Data Obtained with Self-Selection Procedures

open access: yesMathematics, 2021
In the last years, web surveys have established themselves as one of the main methods in empirical research. However, the effect of coverage and selection bias in such surveys has undercut their utility for statistical inference in finite populations. To
Luis Castro-Martín   +3 more
doaj   +1 more source

HEALTHTECH STARTUPS INTERNAL CONTROL TO INCREASE COMPETITIVE ADVANTAGE IN THE NEW NORMAL ERA

open access: yesJurnal Akuntansi, 2021
This research aims to prove the positive influence of the implementation of COSO internal control on increasing competitive advantage in health startups in the New Normal Era.
Aulia Nurazizah, Novita Novita
doaj   +1 more source

The T Index: Measuring the Reliability of Accuracy Estimates Obtained from Non-Probability Samples

open access: yesRemote Sensing, 2020
In remote sensing, the term accuracy typically expresses the degree of correctness of a map. Best practices in accuracy assessment have been widely researched and include guidelines on how to select validation data using probability sampling designs.
François Waldner
doaj   +1 more source

Can Nonprobability Samples be Used for Social Science Research? A cautionary tale

open access: yesSurvey Research Methods, 2019
Survey researchers and social scientists are trying to understand the appropriate use of nonprobability samples as substitutes for probability samples in social science research.
Elizabeth S. Zack   +2 more
doaj   +1 more source

Inference from Non-Probability Surveys with Statistical Matching and Propensity Score Adjustment Using Modern Prediction Techniques

open access: yesMathematics, 2020
Online surveys are increasingly common in social and health studies, as they provide fast and inexpensive results in comparison to traditional ones. However, these surveys often work with biased samples, as the data collection is often non-probabilistic ...
Luis Castro-Martín   +2 more
doaj   +1 more source

Significance of Various Diagnostic Methods for the Detection of Helicobacter Pylori Infection [PDF]

open access: yesJLUMHS, 2022
OBJECTIVE: To determine the diagnostic significance of Helicobacter pylori (H. pylori) infection by histological examination of tissues and rapid Immunochromatographic assay from stool samples.
Rasheed Ahmed Soomro   +5 more
doaj   +1 more source

Financial Literation and Its Effect on the Performnce and Sustainability of Micro Small and Medium Enterprises in Banyumas

open access: yesJurnal Akuntansi, Manajemen dan Ekonomi, 2020
The purpose of this study was to analyze the effect of financial literacy on the performance and sustainability of MSMEs in the Banyumas Regency. This research is descriptive and quantitative, using the method of regression analysis and using SPSS 16.0 ...
Retno Kurniasih   +2 more
doaj   +1 more source

Is there an association between survey characteristics and representativeness? A meta-analysis

open access: yesSurvey Research Methods, 2018
How to achieve survey representativeness is a controversially debated issue in the field of survey methodology. Common questions include whether probability-based samples produce more representative data than nonprobability samples, whether the response ...
Carina Cornesse, Michael Bosnjak
doaj   +1 more source

An isothermal lab-on-phone test for easy molecular diagnosis of SARS-CoV-2 near patients and in less than 1 hour

open access: yesInternational Journal of Infectious Diseases, 2022
Objectives: The performance of a new point-of-care CE-IVD-marked isothermal lab-on-phone COVID-19 assay was assessed in comparison to a gold standard real-time reverse transcriptase–PCR method.
Gonçalo Doria   +19 more
doaj   +1 more source

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