Results 11 to 20 of about 40,363 (250)

Online Nonprobability Samples

open access: hybridAnnual Review of Sociology
Online nonprobability samples provide social scientists with opportunities to conduct surveys and experiments on large, diverse samples at modest prices. Researchers may find bewildering the options offered by the many commercial entities that provide research participants, and our review seeks to orient researchers to key issues about their use.
Jeremy Freese, Olivia Jin
openalex   +2 more sources

Data integration with nonprobability sample: Semiparametric model‐assisted approach [PDF]

open access: bronzeScandinavian Journal of Statistics
Abstract This paper introduces a novel semiparametric model‐assisted estimation method that integrates data from both probability and nonprobability samples, thereby facilitating robust and efficient inferences regarding finite population parameters.
Danhyang Lee, Sixia Chen
openalex   +2 more sources

Inferences based on Probability Sampling or Nonprobability Sampling – Nothing but a Question of Models?

open access: green, 2019
This paper compares the usability of data stemming from probability sampling with data stemming from nonprobability sampling. It develops six research scenarios that differ in their research goals and assumptions about the data generating process.
Andreas Quatember
openalex   +5 more sources

Combining Probability and Nonprobability Samples on an Aggregated Level

open access: diamondJournal of Official Statistics
Probability surveys are experiencing important drawbacks nowadays: costs are relatively high and participation rates are decreasing, which could yield less accurate estimates. Alternatively, nonprobability samples like administrative records are having a rise in popularity due to their convenience and low costs.
Sofía F. Villalobos Aliste   +2 more
openalex   +2 more sources

Comparing Probability-Based Surveys and Nonprobability Online Panel Surveys in Australia: A Total Survey Error Perspective

open access: yesSurvey Research Methods, 2022
In this paper we report the findings from our study which was undertaken to learn if the findings of Chang et al. (2009), Yeager et al. (2011), Erens et al. (2014), MacInnis et al. (2018) and Cornesse et al. (2020) would be replicated in Australia.
Paul John Lavrakas   +3 more
doaj   +1 more source

Understanding the Impact of General Vaccine Attitudes on the Intent for Early COVID-19 Vaccination

open access: yesVaccines, 2023
Despite relatively high rates of population spread, morbidity and mortality, the adoption of COVID-19 vaccines among the eligible populations was relatively slow.
John Boyle   +4 more
doaj   +1 more source

Methods to Counter Self-Selection Bias in Estimations of the Distribution Function and Quantiles

open access: yesMathematics, 2022
Many surveys are performed using non-probability methods such as web surveys, social networks surveys, or opt-in panels. The estimates made from these data sources are usually biased and must be adjusted to make them representative of the target ...
María del Mar Rueda   +2 more
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

Hubungan antara self esteem dan positive religious coping dengan optimisme pada santri

open access: yesPsikoislamika, 2022
: The purpose of this study was to determine the relationship between self-esteem and positive religious coping (PRC) with the optimism of the students of the Babussalam Islamic Boarding School, Madiun Regency.
Putri Hidayatul Ma'rufi   +1 more
doaj   +1 more source

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