Cornelia Betsch

Cornelia Betsch
Universität Erfurt | UE · Center for Empirical Research in Economics and Behavioral Sciences //Seminar für Medien- und Kommunikationswissenschaft

Prof. Dr. phil.

About

203
Publications
82,222
Reads
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5,750
Citations
Additional affiliations
January 2010 - December 2012
Universität Erfurt
November 2003 - August 2016
Universität Erfurt
Position
  • Researcher. Scientific Manager of the Center for Empirical Research in Economics and Behavioral Sciences.

Publications

Publications (203)
Article
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Background: Regarding the COVID-19 pandemic, concerted efforts have been invested in research to investigate and communicate the importance of complying with protective behaviors, such as handwashing and mask wearing. Protective measures vary in how effective they are in protecting the individual against infection, how much experience people have w...
Article
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Contact tracing apps have been identified as a promising technology to curb the spread of COVID-19. To be effective, a sufficient number of individuals needs to install the app and to disclose information like a COVID-19 infection to such an app. Yet, usage data demonstrates that a large amount of app users does not disclose a COVID-19 infection to...
Preprint
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Background: COVID-19 booster vaccine uptake rates are behind the rate of primary vaccination in many countries. Governments and non-governmental institutions rely on a range of interventions aiming to increase booster uptake. Yet, little is known how experts and the general public evaluate these interventions. Methods: We applied a novel crowdsourc...
Article
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Background Vaccination is the most effective means of preventing the spread of infectious diseases. Despite the proven benefits of vaccination, vaccine hesitancy keeps many people from getting vaccinated. Methods and findings We conducted a large-scale cluster randomized controlled trial in Finland to test the effectiveness of centralized written...
Article
Background: Mandating vaccination against COVID-19 is often discussed as a means to counter low vaccine uptake. Beyond the potential legal, ethical, and psychological concerns, a successful implementation also needs to consider citizens’ support for such a policy. Public attitudes toward vaccination mandates and their determinants might differ over...
Article
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Most vaccines not only directly protect vaccinated individuals but also provide a social benefit through community protection. Therefore, vaccination can be considered a prosocial act to protect others. We review the recent empirical evidence on (i) how prosocial concerns relate to vaccination intentions and (ii) promoting prosocial vaccination thr...
Preprint
As vaccination campaigns for COVID-19 fail to achieve sufficient immunization rates, public discord between the vaccinated and the unvaccinated has intensified globally. To explore the idea that identifying with one's vaccination status plays a key role in this societal polarization, the study draws on unique survey data from large samples of vacci...
Article
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The increasing development of resistant pathogens is one of the greatest global health challenges. As antibiotic overuse amplifies antibiotic resistance, antibiotic intake poses a social dilemma in which individuals need to decide whether to prosocially reduce their intake in the collective interest versus to (over)use it even in case of mild disea...
Preprint
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In response to the COVID-19 pandemic, governments and health authorities worldwide have both recommended and mandated various health-protective behaviors to contain the spread of the virus and ultimately save lives. Despite strong public support for these measures overall, several countries have over the course of the pandemic witnessed a gradual d...
Preprint
During a pandemic, demand for intensive care often exceeds availability. Experts agree that allocation should maximize benefits and must not be based on whether patients could have taken preventive measures. However, intensive care units (ICUs) are often overburdened by individuals with severe COVID-19 who have chosen not to be vaccinated to preven...
Article
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Die bisherigen Maßnahmen zur Steigerung der Impfbereitschaft reichen offensichtlich nicht, um die erforderliche Impfquote zu erzielen. Über verschiedene Arten verpflichtender Regelungen und die Vor- und Nachteile einer Impfpflicht muss nachgedacht werden.
Article
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Zusammenfassung Hintergrund Eltern stehen während der COVID-19-Pandemie vor einer Vielzahl persönlicher Herausforderungen, während sie gleichzeitig mit schulbezogenen Maßnahmen zur Pandemieeindämmung konfrontiert werden. Zielsetzung Dieser Beitrag fokussiert auf die Belastung von Eltern mit Kindern im Schulalter über verschiedene Phasen der COVID...
Preprint
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Vaccines are the most powerful pharmaceutical tool to combat the COVID-19 pandemic. While the majority (about 65%) of the German population were fully vaccinated, incidence started growing exponentially in October 2021 with about 41% of recorded new cases aged twelve or above being symptomatic breakthrough infections, presumably also contributing t...
Preprint
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Trotz aktuell steigender Impfbereitschaft unter den Erstimpfungen ist nicht abzusehen, dass die vom RKI geforderten Impfquoten für die künftige Kontrolle des SARS-CoV-2 Virus mit den bisherigen Maßnahmen zur Steigerung der Impfbereitschaft erreicht werden können (Stand: Ende November, 2021). Daher werden in diesem Artikel drei Typen verpflichtender...
Preprint
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Background: Vaccine hesitancy is the delay or refusal of vaccines despite their availability. Here, we explored factors that influence hesitancy among caregivers of children and adolescent girls eligible for routine immunisation and the human papillomavirus (HPV) vaccine in Malawi. Methods: The study used key informant interviews and focus-group di...
Preprint
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Background: Vaccine-preventable diseases are major contributors to the disease burden in Sub-Saharan Africa, accounting for many childhood illnesses, disabilities, and mortality. There is dearth of knowledge on the drivers of vaccine hesitancy in Nigeria and the extent of its impact on coverage. Pregnant women are a particularly important vulnerabl...
Article
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Psychological Reactance Theory assumes that the restriction of valued behaviors elicits anger and negative cognitions, motivating actions to regain the limited freedom. Two studies investigated the effects of two possible restrictions affecting COVID-19 vaccination: the limitation of non-vaccination by mandates and the limitation of vaccination by...
Preprint
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To reach high vaccination rates against COVID-19, children and adolescents should be also vaccinated. To improve childhood vaccination rates and vaccination readiness, parents need to be addressed since they decide about the vaccination of their children. We adapted the 7C of vaccination readiness scale to measure parents’ readiness to vaccinate th...
Preprint
Cultivation theory assumes that frequent exposure to certain media can lead people to perceive the real world through the lens of their preferred media. This led to the research question of whether fans of science fiction who are accustomed to seeing problem solving based on science and technology are prone to accept science- and technology-based i...
Article
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Background: Vaccines are among the most effective and cost-efficient public health interventions for promoting child health. However, uptake is considerably affected by vaccine hesitancy. An example is Malawi, with a decline in second vaccine doses and the highest cervical cancer incidence and mortality rate in Sub-Saharan Africa. Understanding va...
Article
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Background During the COVID-19 pandemic, public perceptions and behaviours have had to adapt rapidly to new risk scenarios and radical behavioural restrictions. Aim To identify major drivers of acceptance of protective behaviours during the 4-week transition from virtually no COVID-19 cases to the nationwide lockdown in Germany (3–25 March 2020)....
Article
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Age is a critical risk factor for severe COVID-19. This is mirrored by older people showing preventive health behaviors more frequently. However, collective action across all age groups is necessary to reduce transmission. Therefore, this study assessed whether age differences are moderated by policy changes and whether policies further moderate th...
Article
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Background Pregnant women are at high risk for severe influenza. However, maternal influenza vaccination uptake in most World Health Organization (WHO) European Region countries remains low, despite the presence of widespread national recommendations. An influenza vaccination reduces influenza-associated morbidity and mortality in pregnancy, as wel...
Article
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Background: Vaccine hesitancy is the delay or refusal of vaccines despite the availability of vaccination services.
Article
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Because of the increasing popularity of voice-controlled virtual assistants, such as Amazon’s Alexa and Google Assistant, they should be considered a new medium for psychological and behavioral research. We developed Survey Mate, an extension of Google Assistant, and conducted two studies to analyze the reliability and validity of data collected th...
Article
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Ending the COVID-19 pandemic will require rapid large-scale uptake of vaccines against the disease. Mandating vaccination is discussed as a suitable strategy to increase uptake. In a series of cross-sectional quota-representative surveys and two preregistered experiments conducted in Germany and the US (total N = 4629), we investigated (i) correlat...
Article
During the SARS-CoV-2 pandemic mobile health applications indicating risks emerging from close contacts to infected persons have a large potential to interrupt transmission chains by automating contact tracing. Since its dispatch in Germany in June 2020 the Corona Warn App has been downloaded on 25.7 Mio smartphones by February 2021. To understand...
Article
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The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic is posing a global public health burden. These consequences have been shown to increase the risk of mental distress, but the underlying protective and risk factors for mental distress and trends over different waves of the pandemic are largely unknown. Furthermore, it is larg...
Article
In their recent contribution, Savulescu et al. (2021) argued that mandating vaccination of children against COVID-19 could contribute to public health but may be difficult to justify, given the low disease severity and uncertainties about vaccination safety and effectiveness for children. However, when assessing the utility of mandatory vaccination...
Article
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Background Separating ill or possibly infectious people from their healthy community is one of the core principles of non-pharmaceutical interventions. However, there is scarce evidence on how to successfully implement quarantine orders. We investigated a community quarantine for an entire village in Germany (Neustadt am Rennsteig, March 2020) with...
Article
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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) rapid antigen point-of-care and home tests are available to laypeople. In four cross-sectional mixed-methods data collections conducted between December 2020 and March 2021 (n = 4,026), we showed that a majority of subjects were willing to test despite mistrust and ignorance regarding rap...
Article
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Zusammenfassung Impfmüdigkeit bezeichnet das Verzögern, Auslassen oder Ablehnen wichtiger Impfungen trotz ihrer Verfügbarkeit. Die Impfung gegen humane Papillomviren (HPV) schützt gegen verschiedene Varianten von Gebärmutterhalskrebs und wird für Mädchen und Jungen im Alter von 9–14 Jahren empfohlen. Allerdings sind die Impfquoten im Vergleich zu a...
Article
The World Health Organization and global partners sought to identify existing measures of confidence in childhood vaccines, as part of a broader effort to measure the range of behavioural and social drivers of vaccination. We identified 14 confidence measures applicable to childhood vaccination in general, all published between 2010 and 2019. The m...
Article
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In their recent communication, Callegaro and colleagues could show that mRNA vaccination boosts antibodies elicited by SARS-CoV-2 infections. Thus, vaccinating not only uninfected but also previously infected individuals could become important for controlling the pandemic. We investigated the vaccination intentions of previously infected, recovered...
Chapter
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Man sagt, dass die Impfung ihr eigener Feind sei: Der Erfolg von Impfungen führt allgemein dazu, dass Infektionskrankheiten weniger sichtbar sind und wir meist gar nicht mehr verstehen, warum überhaupt geimpft werden soll [1].
Chapter
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„Podiumsdiskussion: Was lernen wir aus der Vergangenheit, wie entwickeln wir Impfstoffe, Impfstrategien und Therapien für die Zukunft?“
Preprint
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Background: Vaccines are among the most effective and cost-efficient public health interventions for promoting child health. However, uptake is considerably affected by vaccine hesitancy. Malawi has experienced a decline in second vaccine doses and has the highest cervical cancer incidence and mortality rate in Sub-Saharan Africa. Understanding vac...
Preprint
Full-text available
Monetary and legal incentives have been proposed to promote COVID-19 vaccination uptake. To evaluate the suitability of incentives, an experiment with German participants examined the effects of payments (varied within subjects: 0 to 10,000 EUR) and freedoms (varied between subjects: vaccination leading vs. not leading to the same benefits as a neg...
Article
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Background Nighttime curfews have been discussed and implemented in many countries as a means of controlling the COVID-19 pandemic. However, there is evidence that such curfews have little or no effect on disease dynamics when other measures such as bans on gatherings or business and school closures are already in place. There are two possible expl...
Article
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Introduction: Health literacy is an important competency to make informed, shared decisions in line with patient's preferences. On the other hand, lower health literacy is associated with poorer health outcomes. Evidence-based patient decision aids (EbPDA) are validated instruments to support informed medical decisions and empower patients for rel...
Article
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In their recent contribution to this journal, Cerda and García investigated the willingness to pay (WTP) for vaccination against COVID-19. Based on a Chilean sample and an estimated WTP of 232 USD, the authors argued in favor of private vaccination financing, with government support for low-income groups. However, our reanalysis of their data shows...
Article
As vaccines against COVID-19 are scarce, many countries have developed vaccination prioritisation strategies focusing on ethical and epidemiological considerations. However, public acceptance of such strategies should be monitored to ensure successful implementation. In an experiment with N =1379 German participants, we investigated whether the pub...
Preprint
Full-text available
Background Vaccination is the most effective means to prevent the spread of infectious diseases. Despite the proven benefits of vaccination, complacency, constraints, and lacking confidence keep many people away from getting vaccinated. This study investigates how written reminders with varying information contents to address vaccine hesitancy affe...
Preprint
The COVAX initiative provides low- and middle-income countries with equitable access and financial support to source vaccines against COVID-19. The initiative is primarily funded by wealthy governments but should also consider promoting individual donations. We conducted a quota-representative study with 994 German participants to investigate indiv...
Article
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Although vaccines are among the most effective interventions used in fighting diseases, vaccination readiness varies substantially among individuals. Vaccination readiness is defined as a set of components that increase or decrease the individual’s likelihood of getting vaccinated. Building on earlier work that distinguished five components of vacc...
Preprint
In their seminal paper, Damialis and colleagues (2021, PNAS) report that, in early 2020, higher airborne pollen concentrations were related to higher COVID-19 infection rates. As a mechanism, the authors propose that “pollen exposure weakens the immunity … by diminishing the antiviral interferon response.” Although they assume an effect for the who...
Preprint
SARS-CoV-2 rapid antigen point-of-care (PoC) and home tests are available to laypeople. This raises questions regarding the drivers and barriers of people’s willingness to use tests, their understanding of test results and the psychological and behavioural consequences of positive and negative test results. Four cross-sectional data collections, in...
Preprint
Full-text available
Background Pregnant women are at high risk for severe influenza, but maternal influenza vaccination uptake in most World Health Organization (WHO) European Region countries remains low, despite the presence of widespread national recommendations. An influenza vaccination reduces influenza-associated morbidity and mortality in pregnancy, as well as...
Article
Full-text available
Pandemic measures to mitigate the outbreak of SARS-CoV-2 in Germany led to cancellations of routine vaccination appointments for both adults and children. Survey data indicate that, with easing pandemic restrictions, many cancelled appointments were rescheduled or caught up. Nevertheless, 40% of cancelled appointments were still not rescheduled and...
Preprint
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Background: Vaccine hesitancy is the delay or refusal of vaccines despite the availability of vaccination services. Although it is considered an important global health threat, it has only rarely been systematically studied within the African context. In this study, we explored the factors that influence vaccine hesitancy among caregivers of childr...
Article
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Background In Germany, a mandatory policy on measles vaccination came into effect in March 2020. Physicians, as the main vaccine providers, have a crucial role in implementing it. Mandatory vaccination changes the preconditions under which patient-provider communication on vaccines occurs. Physicians might or might not favor vaccine mandates depend...
Article
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Nonpharmaceutical interventions (NPI) such as stay‐at‐home orders aim at curbing the spread of the novel coronavirus, SARS‐COV‐2. In March 2020, a large proportion of the German population supported such interventions. In this article, we analyse whether the support for NPI dwindle with economic worries superimposing virus‐related worries in the mo...
Article
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Objectives: To decrease the rapid growth of SARS-CoV-2 in Germany, a stepped lockdown was conducted. Acceptance and compliance regarding entering and exiting lockdown measures are key for their success. The aim of the present study was to analyse the population's preferences for exiting lockdown measures. Methods: To evaluate population’s preferenc...
Article
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Objectives Policy decisions regarding mask wearing in schools in times of the SARS-CoV-2 pandemic will likely be made despite a lack of scientific data. Public acceptance is therefore an important indicator to inform the communication activities that accompany the introduction of a new policy. The goal was to assess acceptance and relevant target g...
Preprint
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Vaccination against COVID-19 with the recently approved mRNA vaccines BNT162b2 (BioNTech/Pfizer) and mRNA-1273 (Moderna) is currently underway in a large number of countries. However, high incidence rates and rapidly spreading SARS-CoV-2 variants are concerning. In combination with acute supply deficits in Europe in early 2021, the question arises...
Article
The mechanisms affecting parents’ misuse of prescription stimulant drugs to boost healthy children’s school performance are hardly unknown. Using four web-based factorial vignette surveys (2×2 between-subjects design experiment), we investigated the willingness of U.S. parents with school-aged children to medicate a fictitious 13-year-old child who...
Article
Rapid, large-scale uptake of new vaccines against COVID-19 will be crucial to decrease infections and end the pandemic. In a recent article in this journal, Julian Savulescu argued in favour of monetary incentives to convince more people to be vaccinated once the vaccine becomes available. To evaluate the potential of his suggestion, we conducted a...
Preprint
As vaccines against COVID-19 are scarce, many countries have developed vaccination prioritization strategies focusing on ethical and epidemiological considerations. However, public acceptance of such strategies should be monitored to ensure successful implementation. In an experiment with N = 1,379 German participants, we investigated whether the p...
Article
This study assesses whether combining information about diseases and sequelae supports learning about disease risks and influences related health behavior (vaccination). Objective: To test whether extending knowledge about the risks of primary diseases (e.g., influenza) with causally linked secondary diseases (sequelae such as sepsis) can decreas...
Preprint
Full-text available
Ending the COVID-19 pandemic will require rapid large-scale uptake of vaccines against the disease. Mandating vaccination is discussed as a suitable strategy to increase uptake. In a series of cross-sectional quota-representative surveys and two preregistered experiments conducted in Germany and the US (total N = 4,629), we investigated (i) correla...
Article
Full-text available
Background In 2019 the World Health Organization (WHO) flagged vaccine hesitancy as one of the top 10 threats to global health. The drivers and barriers for under-vaccination also include logistics (access to and awareness of affordable vaccines) as well as a complex mix of psychological, social, political, and cultural factors. Increasing vaccine...
Article
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Zusammenfassung Hintergrund In der Coronaviruspandemie nehmen 2 Institutionen eine zentrale Rolle in der evidenzbasierten Einordnung des Geschehens für Politik und Bevölkerung ein. Das Robert Koch-Institut (RKI) koordiniert die Pandemiebekämpfung, erstellt fundierte Empfehlungen für medizinisches Fachpersonal, die Medien sowie die Bevölkerung und...