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Research Brief
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The line between fact and fiction in American public life is becoming blurred. RAND has begun studying the causes and consequences of this "Truth Decay" phenomenon and how it affects democracy and political and civil discourse in the United States. Where basic facts and well-supported analyses of these facts were once generally accepted — such as the benefit of using vaccines to protect health — disagreement about even objective facts and well-supported analyses has swelled in recent years. In addition, a growing number of Americans view the U.S. government, media, and academia with new skepticism. These developments drive wedges between policymakers and neighbors alike. This research brief describes RAND’s findings about the causes and consequences of Truth Decay and offers a research agenda for addressing the challenges this phenomenon creates, with the intent of improving policymaking and political discourse. Truth Decay presents a vital threat to American democracy, and RAND invites other researchers, policymakers, journalists, and educators to join in responding to that threat.

Defining Truth Decay

Heightened disagreement about facts and analytical interpretations of data
There have always been differences of opinion within the American electorate. But disagreements about objective facts and topics for which data are reasonably definitive have become increasingly common. Examples include the benefits of vaccines and the safety of genetically modified foods.
The Blurred Line Between Opinion and Fact
Changes in media content and the media business model have contributed to the jumbling of fact, fiction, and opinion. Examples include journalistic content that fails to distinguish between opinion and fact, news programs that rely on commentary rather than factual reporting without clearly labelling them, and social media platforms that allow anyone to become a source of information.
Increased Volume and Influence of Opinion and Personal Experience Across the Communications Landscape
The growth in the volume of subjective content relative to factual information increases the likelihood that audiences will encounter speculation or downright falsehoods. That makes it more difficult to identify key pieces of factual information.
Diminished Trust in Formerly Respected Institutions as Sources of Factual Information
Polling data from across the country show a significant drop, and continuing decline, in public trust in such institutions as the government and the media. Amid confusion about what is fact and what is falsehood, where people should turn for objective, factual information also becomes unclear.

What Causes Truth Decay?

Drivers

RAND researchers have identified four main drivers of Truth Decay, conditions that contribute to the phenomenon.

Characteristics of human information processing, such as cognitive biases
Cognitive biases reflect mental patterns that can lead people to form beliefs or make decisions that do not reflect an objective and thorough assessment of the facts. For instance, people tend to seek out information that confirms preexisting beliefs and reject information that challenges those beliefs.
Changes in the information system, such as the rise of 24-hour news coverage, social media, and dissemination of disinformation and misleading or biased information
The volume of information overall has increased dramatically — especially content based on opinion, personal experience, and even falsehood. At the same time, social media and search algorithms can create self-reinforcing feeds of information by winnowing out competing perspectives. Together, these changes drown out facts, data, and analysis.
Competing demands on the educational system that challenge its ability to keep pace with information system changes
The growing number of demands and fiscal constraints on the educational system have reduced the emphasis on civic education, media literacy, and critical thinking. Without proper training, many students do not learn how to identify disinformation and misleading information, and are susceptible to disseminating it themselves.
Polarization in politics, society, and the economy
Segregation across the American electorate along economic, political, and social lines contributes to the development of insular and isolated communities, each with its own narrative, worldview, and, increasingly, even "facts."

Agents

People, organizations, or foreign entities can also intentionally or unintentionally amplify the effects of Truth Decay drivers for their own political or economic gain. RAND researchers identified four groups of possible agents:

  • Academia and research organizations make valuable contributions to knowledge, but can exacerbate Truth Decay when errors or bias affect findings.
  • Media organizations can promote facts, but can intensify Truth Decay when commentary or opinion displaces fact.
  • Foreign actors contribute to Truth Decay when spreading mis- and disinformation to achieve their own objectives.
  • Domestic political actors (e.g., elected and appointed officials, lobbyists) aggravate Truth Decay when deploying misleading information to advance political agendas.

What Are Truth Decay’s Consequences?

Truth Decay inflicts substantial damage on America’s civic and political institutions and its societal and democratic foundations. Researchers identified four of the most damaging effects:

  • erosion of civil discourse
  • political paralysis at the federal and state level
  • individual disengagement from political and civic life
  • uncertainty in national policy

Unchecked, Truth Decay causes a vicious circle of mistrust among citizens. It can lead them to narrow their sources of information, cluster with people who agree with them, avoid meaningful discussions about core issues, and feel alienated from local and national policy debates. Politics drifts into dysfunction when debate lacks a shared factual basis. In governance, that can lead to delayed decisions, deferred economic investment, and reduced diplomatic credibility.

Where to Go From Here?

Research alone cannot resolve the complex problem of Truth Decay. Research can, however, provide a framework and factual foundations upon which to design, implement, and evaluate responses. RAND calls on other research organizations, policymakers, educators, journalists, and interested individuals to join in shining a light on Truth Decay — and finding solutions. RAND researchers have mapped out four streams of inquiry, and identified questions that need to be answered.

Historical Research

  • How, where, and when else has Truth Decay manifested at home and abroad?
  • What lessons can be learned from past Truth Decay eras?
  • How can changes in information consumption, civic and media literacy, civil discourse, polarization, and national policy uncertainty be measured?
  • What patterns in Truth Decay’s four trends can be measured and tracked over time?

Mechanisms and Processes

  • How do the drivers and agents of Truth Decay interact to cause this phenomenon?
  • How is information weaponized?
  • How does technology affect information dissemination and consumption?
  • How and why has institutional trust declined? How can it be rebuilt or maintained?

Solutions and Responses

  • What types of civic education and training in critical thinking for students and adults might address Truth Decay?
  • What policy, regulatory, or technological changes might slow the flow of disinformation, encourage civil discourse, or reduce polarization to improve democratic processes?
  • How can transparency and accountability be promoted in the research field and the media to guard against conflict of interests?

Truth Decay poses a threat to the health and future of U.S. democracy. Reining it in will require concentrated and interdisciplinary effort. RAND is issuing these initial findings and this research agenda as a launch point for those endeavors.

This report is part of the RAND Corporation research brief series. RAND research briefs present policy-oriented summaries of individual published, peer-reviewed documents or of a body of published work.

This research in the public interest was supported by RAND, using discretionary funds made possible by the generosity of RAND's donors, the fees earned on client-funded research, and independent research and development (IR&D) funds provided by the Department of Defense.

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