A prueba de tontos: por qué la desinformación infecta nuestras mentes y cómo generar inmunidad

Book Summary

In Foolproof, social psychologist Sander van der Linden explores why disinformation spreads so effectively and how we can protect ourselves. The author draws parallels between biological viruses and "information viruses," showing how both exploit our vulnerabilities. The book introduces the concept of "psychological immunity" and explains how to develop resistance to information manipulation.

Through recent research and historical examples, van der Linden demonstrates that critical thinking alone is not enough; we need active strategies such as "pre-exposure" to attenuated versions of disinformation to strengthen our defenses. The work offers a roadmap for navigating a digital environment saturated with fake news and manipulation.

About the Author

Sander van der Linden is a professor of social psychology at the University of Cambridge and director of the Social Decision-Making Laboratory. His research focuses on the psychology of disinformation and how to counteract it. He has published numerous studies on inoculation theory applied to information, being one of the world's leading experts in this field.

Featured Cases

The book examines real cases of disinformation, from political smear campaigns to viral hoaxes on social media. Van der Linden analyzes how falsehoods are fabricated and spread, and why certain narratives are more successful than others. Although it does not focus on a single scandal, it offers a general framework for understanding any attempt at information manipulation.

Current Relevance

In a world where elections, public health, and social trust are at stake, Foolproof is crucial. The book addresses how disinformation has affected recent events such as the COVID-19 pandemic or electoral processes, and offers practical tools for citizens to critically evaluate the information they consume.

How do we build immunity against disinformation?

Van der Linden proposes "psychological inoculation" as a key method: exposing people to weak false arguments so that they develop mental antibodies. He explains techniques such as "prebunking" (debunking before the hoax spreads) and identifying common rhetorical strategies (appeal to emotion, false dilemmas, etc.). The goal is not to eliminate disinformation, but to make people more resistant to it.

Who is this book for?

This book is aimed at anyone concerned about the truth in the digital age. It is especially useful for students of communication, political science, and psychology, as well as for journalists, educators, and information professionals. Readers interested in social psychology and the fight against manipulation will also find it valuable.

The opinions expressed in this work are those of the author and do not necessarily reflect those of the publisher.