Misinformation and public opinion of science and health: Approaches, findings, and future directions.

A summary of the public opinion research on misinformation in the realm of science/health reveals inconsistencies in how the term has been defined and operationalized. A diverse set of methodologies have been employed to study the phenomenon, with virtually all such work identifying misinformation as a cause for concern. While studies completely eliminating misinformation impacts on public opinion are rare, choices around the packaging and delivery of correcting information have shown promise for lessening misinformation effects. Despite a growing number of studies on the topic, there remain many gaps in the literature and opportunities for future studies.

It's Complicated: The 2014-2015 U.S. Measles Outbreak and Parents' Vaccination Beliefs, Confidence, and Intentions.

While it seems intuitive that highly visible vaccine-preventable disease outbreaks should impact perceptions of disease risk and facilitate vaccination, few empirical studies exist to confirm or dispel these beliefs. This study investigates the impact of the 2014-2015 Disneyland measles outbreak on parents' vaccination attitudes and future vaccination intentions. The analysis relies on a pair of public opinion surveys of American parents with at least one child under the age of six (N = 1,000 across each survey). Controlling for basic demographics, we found higher levels of reported confidence in the safety and efficacy of childhood vaccinations in our follow-up data collection. However, this confidence was also accompanied by elevated levels of concern toward childhood vaccines among American parents. We then examined how different subgroups in the population scored on these measures before and after the outbreak. We found that parents with high levels of interest in the topic of vaccines and a child who is not fully upto date with the recommended vaccination schedule reported more supportive attitudes toward vaccines. However, future intentions to follow the recommended vaccination schedule were not positively impacted by the outbreak. Possible explanations for these results and implications for vaccination outreach are discussed.

Another (methodological) look at knowledge gaps and the Internet's potential for closing them.

Members of the World Economic Forum recently identified the economic, health and knowledge disparities between the "haves" and "have-nots" in the world as one of the central risks in the global risk landscape. However, research on the role of communication in reducing knowledge disparities for emerging technologies is rare. More importantly, little research has tracked knowledge gaps about emerging technologies in representative populations over time. In this study we examine U.S. public knowledge levels across different levels of education and media use using data from two nationally representative telephone surveys. Our results show that increased science Internet and television use among low education groups can help narrow, or significantly reduce the growth of knowledge gaps that are forming based on educational disparities.

Engaging the dismissive: An assessment of humor-based strategies to support global warming action.

This study aims to understand the influence of mirth, anger, and hope, as elicited by messages with different humor types, on support for global warming action, and the potential moderating role of individual climate concern. Although mirth did not significantly vary across the different stimuli, the analysis found that climate concern moderated the influence of hope on support for global warming actions. The implications of these findings, especially for respondents who were least supportive of actions to combat global warming, are discussed.

State of Vaccine Hesitancy in the United States.

Although the term "vaccine hesitancy" has achieved great prominence, the extent to which US parents have reluctance, doubts, or indecision when it comes to vaccines recommended for children and how such hesitancy is manifest are unclear. A narrative review approach that placed emphasis on recent data and published work is used to surface evidence and insights into the current state of US parent vaccine hesitancy. The assessment finds evidence that ∼6% to 25% of parents may be vaccine hesitant, that hesitancy is higher for influenza and HPV vaccines, and there are indications that addressing parent hesitancy has become more challenging.

Measuring risk/benefit perceptions of emerging technologies and their potential impact on communication of public opinion toward science.

This study presents a systematic comparison of two alternative measures of citizens' perceptions of risks and benefits of emerging technologies. By focusing on two specific issues (nanotechnology and biofuels), we derive several insights for the measurement of public views of science. Most importantly, our analyses reveal that relying on global, single-item measures may lead to invalid inferences regarding external influences on public perceptions, particularly those related to cognitive schema and media use. Beyond these methodological implications, this analysis suggests several reasons why researchers in the area of public attitudes toward science must revisit notions of measurement in order to accurately inform the general public, policymakers, scientists, and journalists about trends in public opinion toward emerging technologies.

Following science on social media: The effects of humor and source likability.

Science communicators have been encouraged to use humor in their online engagement efforts. Yet, humor's effectiveness for engaging people with science remains an open question. We report the results of an experiment designed to elicit varied levels of mirth in respondents, which was positively associated with perceived likability of the communicator and motivation to follow more science on social media. Furthermore, mirth and perceived likability serially mediated the effect of the experimental manipulation on motivation and factual science knowledge served as a moderator. This indicates that, while humor might be an effective means of reaching audiences, downstream effects are likely to vary depending on individuals' knowledge.

Scientists as comedians: The effects of humor on perceptions of scientists and scientific messages.

Humor has been recommended for scientists looking to conduct communication activities despite relatively little empirical evidence demonstrating its effectiveness. Here, we examine the social environment of a joke through a two-condition experimental design that manipulates the presence or absence of audience laughter. Specifically, we examine how humor experienced from viewing a video clip of a science comedian embedded in an online survey can have downstream effects on whether people view comedy as a valid source of scientific information. We found that respondents who perceived more humor in the video clip (i.e. those in the condition with audience laughter) had more positive views about comedy as a valid source of scientific information. Interestingly, this relationship was mediated by perceived expertise, not likability, of the scientist engaging in comedy.

Understanding and Increasing Influenza Vaccination Acceptance: Insights from a 2016 National Survey of U.S. Adults.

Background: The percentage of adults in the U.S. getting seasonal influenza vaccination has not changed significantly since 2013 and remains far below the federal government's 70% target. Objective: This study assessed and identified characteristics, experiences, and beliefs associated with influenza vaccination using a nationally representative survey of 1005 U.S. adults 19 years old and older. Methods: The sample was drawn from the National Opinion Research Center's AmeriSpeak Panel, a probability-based panel designed to be representative of the U.S. household population. Results: Overall, 42.3% received an influenza vaccination in the past 12 months, with rates highest for non-Hispanic Whites and Blacks and those 65 years old and older. Hispanic respondents and those under 64 years old were much less likely to get an influenza vaccination. They were also less aware of the recommendation, less informed about influenza and the benefits of vaccination, and least confident in the vaccine. Conclusions: Increasing influenza vaccination coverage in the U.S. requires a greater focus on 19-64 year-olds, particularly those 50 to 64, Hispanics and continued focus on those with diabetes and asthma. Efforts need to increase awareness of influenza vaccination recommendations, foster a sense of being well informed about influenza vaccination benefits and the risks associated with non-vaccination, and increase confidence that there are meaningful benefits from receiving an influenza vaccination.

Opposing ends of the spectrum: Exploring trust in scientific and religious authorities.

Given the ethical questions that surround emerging science, this study is interested in studying public trust in scientific and religious authorities for information about the risks and benefits of science. Using data from a nationally representative survey of American adults, we employ regression analysis to better understand the relationships between several variables-including values, knowledge, and media attention-and trust in religious organizations and scientific institutions. We found that Evangelical Christians are generally more trusting of religious authority figures to tell the truth about the risks and benefits of science and technology, and only slightly less likely than non-Evangelicals to trust scientific authorities for the same information. We also found that many Evangelicals use mediated information and science knowledge differently than non-Evangelicals, with both increased knowledge and attention to scientific media having positive impacts on trust in scientific authorities among the latter, but not the former group.

Parents' confidence in recommended childhood vaccinations: Extending the assessment, expanding the context.

There has been significant and growing interest in vaccine hesitancy and confidence in the United States as well as across the globe. While studies have used confidence measures, few studies have provided in-depth assessments and no studies have assessed parents' confidence in vaccines in relationship to other frequently recommended health-related products for young children. This study used a nationally representative sample of 1000 US parents to identify confidence levels for recommended vaccinations, antibiotics, over-the-counter (OTC) medicines, and vitamins for children. The analyses examined associations between confidence ratings, vaccination behaviors and intentions, and trust in healthcare provider, along with associations between confidence ratings and use of the other health-related products. Parents' confidence in vaccines was relatively high and high relative to antibiotics, OTC medicines and vitamins. For all 4 health-related products examined, past product experience and knowledge of bad or adverse outcomes negatively impacted parents' confidence levels. Confidence levels were associated with both trust in advice from their child's healthcare provider and acceptance of healthcare provider recommendations. Parents in some groups, such as those with lower income and education levels, were more likely to have less confidence not just in vaccines, but also in antibiotics and OTC medicines for children. Overall, the findings extend understanding of vaccine confidence, including by placing it into a broader context.

Exploring The Impact Of The US Measles Outbreak On Parental Awareness Of And Support For Vaccination.

Despite consensus among health officials that childhood immunizations are a safe and effective means of protecting people from disease, some parents remain hesitant about vaccinating their children. This hesitancy has been linked to a lack of confidence in recommended vaccinations as well as a desire to delay or further space out scheduled vaccinations but also outright refusal of vaccines. Using two national surveys of parents of children ages five and younger, collected immediately prior to and in the weeks following the 2014-15 US measles outbreak, this study examined the awareness of this vaccine-preventable disease outbreak among parents and whether awareness of the outbreak affected their beliefs about childhood vaccination, confidence, and intentions. The study found that while most parents were aware of the outbreak, many were not, and the level of familiarity mattered, particularly on measures of confidence in vaccines and support for mandates requiring childhood vaccination. Increases in vaccine-related concerns were found as well, indicating that disease outbreaks foster not just awareness of vaccines and their potential to prevent disease but a range of parental responses.

The lure of rationality: Why does the deficit model persist in science communication?

Science communication has been historically predicated on the knowledge deficit model. Yet, empirical research has shown that public communication of science is more complex than what the knowledge deficit model suggests. In this essay, we pose four lines of reasoning and present empirical data for why we believe the deficit model still persists in public communication of science. First, we posit that scientists' training results in the belief that public audiences can and do process information in a rational manner. Second, the persistence of this model may be a product of current institutional structures. Many graduate education programs in science, technology, engineering, and math (STEM) fields generally lack formal training in public communication. We offer empirical evidence that demonstrates that scientists who have less positive attitudes toward the social sciences are more likely to adhere to the knowledge deficit model of science communication. Third, we present empirical evidence of how scientists conceptualize "the public" and link this to attitudes toward the deficit model. We find that perceiving a knowledge deficit in the public is closely tied to scientists' perceptions of the individuals who comprise the public. Finally, we argue that the knowledge deficit model is perpetuated because it can easily influence public policy for science issues. We propose some ways to uproot the deficit model and move toward more effective science communication efforts, which include training scientists in communication methods grounded in social science research and using approaches that engage community members around scientific issues.

Public attitudes toward biofuels. Effects of knowledge, political partisanship, and media use.

Despite large-scale investments and government mandates to expand biofuels development and infrastructure in the United States, little is known about how the public conceives of this alternative fuel technology. This study examines public opinion of biofuels by focusing on citizen knowledge and the motivated processing of media information. Specifically, we explore the direct effects of biofuels knowledge and the moderating effect of partisanship on the relationship between media use and benefit vs. risk perceptions in the following four domains: environmental impacts, economic consequences, ethical/social implications, and political ramifications. Our results suggest that more knowledgeable respondents see fewer benefits of biofuels relative to risks, and that Democrats and Republicans are affected differently by media use when forming opinions about biofuels. Among Democrats, greater attention to political media content leads to a more favorable outlook toward the technology across several domains of interest, while among Republicans, an increase in attention to political content has the opposite effect. Possible reasons for these results, as well as implications of the findings at the intersection of politics and the life sciences, are discussed.