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      Did people really drink bleach to prevent COVID-19? A guide for protecting survey data against problematic respondents

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          Abstract

          Survey respondents who are non-attentive, respond randomly, or misrepresent who they are can impact the outcomes of surveys. Prior findings reported by the CDC have suggested that people engaged in highly dangerous cleaning practices during the COVID-19 pandemic, including ingesting household cleaners such as bleach. In our attempts to replicate the CDC’s results, we found that 100% of reported ingestion of household cleaners are made by problematic respondents. Once inattentive, acquiescent, and careless respondents are removed from the sample, we find no evidence that people ingested cleaning products to prevent a COVID-19 infection. These findings have important implications for public health and medical survey research, as well as for best practices for avoiding problematic respondents in all survey research conducted online.

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          Most cited references62

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          An Analysis of Data Quality: Professional Panels, Student Subject Pools, and Amazon's Mechanical Turk

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            Online panels in social science research: Expanding sampling methods beyond Mechanical Turk

            Amazon Mechanical Turk (MTurk) is widely used by behavioral scientists to recruit research participants. MTurk offers advantages over traditional student subject pools, but it also has important limitations. In particular, the MTurk population is small and potentially overused, and some groups of interest to behavioral scientists are underrepresented and difficult to recruit. Here we examined whether online research panels can avoid these limitations. Specifically, we compared sample composition, data quality (measured by effect sizes, internal reliability, and attention checks), and the non-naivete of participants recruited from MTurk and Prime Panels—an aggregate of online research panels. Prime Panels participants were more diverse in age, family composition, religiosity, education, and political attitudes. Prime Panels participants also reported less exposure to classic protocols and produced larger effect sizes, but only after screening out several participants who failed a screening task. We conclude that online research panels offer a unique opportunity for research, yet one with some important trade-offs. Electronic supplementary material The online version of this article (10.3758/s13428-019-01273-7) contains supplementary material, which is available to authorized users.
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              Detecting, preventing, and responding to "fraudsters" in internet research: ethics and tradeoffs.

              Internet-based health research is increasing, and often offers financial incentives but fraudulent behavior by participants can result. Specifically, eligible or ineligible individuals may enter the study multiple times and receive undeserved financial compensation. We review past experiences and approaches to this problem and propose several new strategies. Researchers can detect and prevent Internet research fraud in four broad ways: (1) through the questionnaire/instrument (e.g., including certain questions in survey; and software for administering survey); (2) through participants' non-questionnaire data and seeking external validation (e.g., checking data for same email addresses, usernames, passwords, and/or fake addresses or phone numbers; (3) through computer information, (e.g., IP addresses and cookies), and 4) through study design (e.g., avoid lump sum compensation and interviewing participants). These approaches each have pros and cons, and raise ethical, legal, and logistical questions, given that ethical tensions can emerge between preserving the integrity of research vs. protecting the privacy and confidentiality of study respondents. While past discussions concerning the ethics of online research have tended to focus on the participants' ability to trust the researchers, needs now arise to examine researchers' abilities to trust the participants. This analysis has several critical implications for future practice, policy, and research.
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                Author and article information

                Contributors
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: MethodologyRole: Project administrationRole: Writing – original draftRole: Writing – review & editing
                Role: ConceptualizationRole: Formal analysisRole: MethodologyRole: Writing – original draft
                Role: Writing – review & editing
                Role: ConceptualizationRole: Formal analysisRole: MethodologyRole: Writing – original draft
                Role: ConceptualizationRole: MethodologyRole: Writing – original draft
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: MethodologyRole: Writing – original draft
                Role: Project administrationRole: Resources
                Role: Editor
                Journal
                PLoS One
                PLoS One
                plos
                PLOS ONE
                Public Library of Science (San Francisco, CA USA )
                1932-6203
                5 July 2023
                2023
                5 July 2023
                : 18
                : 7
                : e0287837
                Affiliations
                [1 ] CloudResearch, New York, New York, United States of America
                [2 ] Department of Psychology, Lander College, New York, New York, United States of America
                [3 ] Department of Health Policy and Management, Mailman School of Public Health, Columbia University, New York, New York, United States of America
                [4 ] Department of Psychology & Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
                [5 ] Department of Clinical Psychology, Columbia University, New York, New York, United States of America
                [6 ] Department of Psychology, Marymount Manhattan College, New York, New York, United States of America
                [7 ] Department of Computer Science, Lander College, New York, New York, United States of America
                Shanghai Ocean University, CHINA
                Author notes

                Competing Interests: The authors have declared that no competing interests exist.

                Author information
                https://orcid.org/0000-0001-9714-3224
                Article
                PONE-D-22-20912
                10.1371/journal.pone.0287837
                10321604
                37406017
                a788664e-c4ec-4183-a9d1-10ecd0e61cf7
                © 2023 Litman et al

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 5 August 2022
                : 29 May 2023
                Page count
                Figures: 2, Tables: 2, Pages: 17
                Funding
                The author(s) received no specific funding for this work.
                Categories
                Research Article
                Research and Analysis Methods
                Research Design
                Survey Research
                Surveys
                Medicine and Health Sciences
                Medical Conditions
                Infectious Diseases
                Viral Diseases
                Covid 19
                Biology and Life Sciences
                Physiology
                Physiological Processes
                Ingestion
                Medicine and Health Sciences
                Epidemiology
                Pandemics
                Medicine and Health Sciences
                Public and Occupational Health
                Research and Analysis Methods
                Research Design
                Survey Research
                Physical Sciences
                Physics
                States of Matter
                Fluids
                Vapors
                Biology and Life Sciences
                Toxicology
                Toxic Agents
                Toxins
                Medicine and Health Sciences
                Pathology and Laboratory Medicine
                Toxicology
                Toxic Agents
                Toxins
                Custom metadata
                All data files are available on OSF at https://osf.io/fzx9v/?view_only=90d2039f61384f9b9dd99b72ca547c9a.
                COVID-19

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