Research

You can also find my research on my Google Scholar profile.

Peer-reviewed articles

Lavigne, Mathieu. 2024. L’inconfort ou l’indifférence ? Comprendre l’opposition aux mesures visant à contrer la mésinformation au Québec. Canadian Journal of Political Science / Revue canadienne de science politique. In Press.

Lavigne, Mathieu, Éric Bélanger, Richard Nadeau, Jean-François Daoust, and Erick Lachapelle. 2022. Hide and seek: The connection between false beliefs and perceptions of government transparency. Harvard Kennedy School (HKS) Misinformation Review. Replication files

Lavigne, Mathieu. 2021. Strengthening ties: The influence of microtargeting on partisan attitudes and the vote. Party Politics

Book chapters/Encyclopedia entries

Lavigne, Mathieu. 2024. [Polarisation affective: Comprendre nos différences pour apaiser nos différends]. Dans L’état du Québec 2025. Sommes-nous une société émotive ?. Sous la direction de Josselyn Guillarmou et Sandra Larochelle. Montréal : INM - Somme toute / Le Devoir, pp. 42-52.

Lavigne, Mathieu. 2022. Microtargeting. In Andrea Ceron (Ed.). Elgar Encyclopedia of Technology and Politics.

Research reports

Lavigne, Mathieu, Maxime Blanchard, Anne Imouza, Aengus Bridgman, Chloé Staller, Kaligirwa Namahoro, Ella Noel, Catherine Perron, Phaedra de Saint-Rome, and Taylor Owen. 2023. Analyse du rôle de la mésinformation lors de l’élection provinciale québécoise de 2022. Centre for Media, Technology, and Democracy.

Bridgman, Aengus, Mathieu Lavigne, Melissa Baker, Thomas Bergeron, Danielle Bohonos, Anthony Burton, Katharine McCoy, Mackenzie Hart, Robert Hiltz, Mathieu Lavault, Ruppinder Liddar, Pangying Peng, Adelina Petit-Vouriot, Christopher Ross, Phaedra de Saint-Rome, Jaclyn Victor, Taylor Owen, and Peter Loewen. 2022. Mis- and disinformation during the 2021 Canadian federal election. Media Ecosystem Observatory.

Ruiz-Soler, Javier, Mathieu Lavigne, Colette Brin, and Aengus Bridgman. Disinformation Risk Assessment: The Online News Market in Canada. Global Disinformation Index. (Aussi disponible en français)

Working papers

[1] Lavigne, Mathieu. Fake, Frequent, Harmful: Unpacking and Explaining the Citizen View of Misinformation. Under review.

[2] Lavigne, Mathieu. Understanding the Demand Side: Who Tolerates the Spread of Misinformation? Under review.

[3] Lavigne, Mathieu and Éric Bélanger. The Origin, Prevalence, and Consequences of Issue-Based Affective Polarization: Examining COVID-19 and Climate Change Affects.

[4] Lavigne, Mathieu, John Carey, Brian Fogarty, Brendan Nyhan, and Jason Reifler. Correction Mismatch: How Inattention and Selective Exposure Limit the Effects of Voter Fraud Debunking.

[5] Lavigne, Mathieu and Aengus Bridgman. Une barrière linguistique? How Language Influences the Spread of U.S.-Based COVID-19 Misinformation.

[6] Lavigne, Mathieu, Holly Ann Garnett, and Aengus Bridgman. Misinformation, Polarization, and Trust in Elections: Longitudinal Evidence from Canada.

[7] Bridgman, Aengus and Mathieu Lavigne. Reach, Perceived Accuracy, and Engagement With Real and Fake Stories During the 2021 Canadian Federal Election.