Results 41 to 50 of about 4,247,563 (222)

Variable selection in Propensity Score Adjustment to mitigate selection bias in online surveys

Statistical Papers, 2022
The development of new survey data collection methods such as online surveys has been particularly advantageous for social studies in terms of reduced costs, immediacy and enhanced questionnaire possibilities.
R. Ferri-García, M. Rueda
semanticscholar   +1 more source

Comparing data quality between online panel and intercept samples

Methodological Innovations, 2016
Although some research effort has been devoted to the comparison of probability- and nonprobability-based Web surveys, different types of nonprobability-based samples have not been thoroughly examined.
Mingnan Liu
doaj   +1 more source

Simple, Inexpensive Approach to Sampling for Pedestrian and Bicycle Surveys [PDF]

, 2014
Many transportation planners undertake local surveys for a better understanding of the levels of walking and cycling of residents in their city or town. This paper explores the challenges of designing a robust sampling strategy for such surveys. A review
Agrawal, Asha Weinstein, Forsyth, Ann, Krizek, Kevin J.   +2 more
core   +1 more source

Variable Inclusion Strategies through Directed Acyclic Graphs to adjust Health Surveys subject to Selection Bias for Producing National Estimates

Journal of Official Statistics, 2022
Along with the rapid emergence of web surveys to address time-sensitive priority topics, various propensity score (PS)-based adjustment methods have been developed to improve population representativeness for nonprobability- or probability-sampled web ...
Yan Li, K. Irimata, Yulei He, J. Parker
semanticscholar   +1 more source

Differences in Perceptions of Health Information Between the Public and Health Care Professionals: Nonprobability Sampling Questionnaire Survey [PDF]

Journal of Medical Internet Research, 2019
In the new media age, the public searches for information both online and offline. Many studies have examined how the public reads and understands this information but very few investigate how people assess the quality of journalistic articles as opposed to information generated by health professionals.The aim of this study was to examine how public ...
Anat Gesser-Edelsburg, Nour Abed Elhadi Shahbari, Ricky Cohen, Adva Mir Halavi, Rana Hijazi, Galit Paz-Yaakobovitch, Yael Birman   +6 more
openaire   +3 more sources

Assessing the Impact of the COVID-19 Pandemic in Spain: Large-Scale, Online, Self-Reported Population Survey

Journal of Medical Internet Research, 2020
BackgroundSpain has been one of the countries most impacted by the COVID-19 pandemic. Since the first confirmed case was reported on January 31, 2020, there have been over 405,000 cases and 28,000 deaths in Spain.
Oliver, Nuria, Barber, Xavier, Roomp, Kirsten, Roomp, Kristof   +3 more
doaj   +1 more source

Topics in estimation for messy surveys: imperfect matching and nonprobability sampling

, 2022
Two problems in estimation for "messy" surveys are addressed, both requiring the combination of survey data with other data sources. The first estimation problem involves the combination of survey data with auxiliary data, when the matching of the two sources is imperfect.
Huang, Chien-Min, author, Breidt, F. Jay, advisor, Wang, Haonan, committee member, Keller, Joshua, committee member, Pallickara, Sangmi, committee member   +4 more
openaire   +1 more source

An Online Survey for Pharmacoepidemiological Investigation (Survey of Non-Medical Use of Prescription Drugs Program): Validation Study

Journal of Medical Internet Research, 2019
BackgroundIn rapidly changing fields such as the study of drug use, the need for accurate and timely data is paramount to properly inform policy and intervention decisions.
Black, Joshua Curtis, Rockhill, Karilynn, Forber, Alyssa, Amioka, Elise, May, K Patrick, Haynes, Colleen M, Dasgupta, Nabarun, Dart, Richard C   +7 more
doaj   +1 more source

Comparing the Accuracy of Univariate, Bivariate, and Multivariate Estimates across Probability and Nonprobability Surveys with Population Benchmarks

Sociological methodology
Previous studies have shown many instances where nonprobability surveys were not as accurate as probability surveys. However, because of their cost advantages, nonprobability surveys are widely used, and there is much debate over the appropriate settings
Björn Rohr, Henning Silber, Barbara Felderer   +2 more
semanticscholar   +1 more source

The convenience of nonprobability: Survey strategies for small academic libraries

College & Research Libraries News, 2009
Recent research on how college students use libraries has raised some interesting questions for academic librarians. Data from the report “College Students’ Perceptions of Libraries and Information Resources: A Report to the OCLC Membership” illuminates how college students from around the world view libraries and what they want from libraries.
Dolores Skowronek, Larry Duerr
openaire   +2 more sources