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Jan-Willem van Prooijen

Explore the profile of Jan-Willem van Prooijen including associated specialties, affiliations and a list of published articles. Areas
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Articles 62
Citations 745
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Recent Articles
1.
Acar K, Karagiannidou A, Olsson A, van Prooijen J, Balter L, Axelsson J, et al.
Front Psychiatry . 2024 Dec; 15:1450429. PMID: 39655206
Introduction: Vaccination-related conspiracy ideation is related to reduced compliance with public health advice globally. Such beliefs have previously been linked to the delusion-proneness trait. However, it is not known how...
2.
Roels S, Begeer S, Scheeren A, van Prooijen J
Cogn Neuropsychiatry . 2024 Sep; 29(4-5):228-241. PMID: 39254641
Background: Belief in conspiracy theories has emerged across times and cultures. While previous accounts attributed conspiracy beliefs to mental health conditions, accumulating research suggests that conspiracy theories are common among...
3.
Fousiani K, van Prooijen J
Scand J Psychol . 2024 Jul; 65(6):1123-1131. PMID: 39034432
The European Union (EU) is portrayed as a "normative power" that promotes democracy. How does identifying with the EU identity predict citizens' responses to a war between two non-EU countries,...
4.
Cao S, van Prooijen J, van Vugt M
Br J Soc Psychol . 2024 Jul; 64(1):e12784. PMID: 38970415
Some people deliberately spread conspiracy theories. What are the reputational benefits and costs of doing so? The Adaptive-Conspiracism hypothesis proposes that it pays to be vigilant against possible conspiracies, especially...
5.
Xu R, Ding Y, Guo Y, van Prooijen J
Br J Soc Psychol . 2024 Jun; 64(1):e12779. PMID: 38923576
The coronavirus disease 2019 (COVID-19) pandemic has had a detrimental effect on people's mental health. Drawing on the palliative function of ideologies, we suggest that people rely on system-justifying beliefs...
6.
Papaioannou K, Pantazi M, van Prooijen J
Br J Soc Psychol . 2024 Jun; 63(4):2077-2099. PMID: 38887120
Conspiracy theories introduce a democratic paradox, as belief in conspiracy theories predicts support for both democratic and non-democratic political systems. In this article, we explore whether democratic and anti-democratic attitudes,...
7.
Wang H, van Prooijen J, van Lange P
J Health Psychol . 2024 Mar; :13591053241238126. PMID: 38494647
During the COVID-19 pandemic, different policies were implemented to increase vaccination uptake. Meanwhile, conspiracy theories spread widely, and vaccinated versus unvaccinated people increasingly polarized against each other. This study examined...
8.
Zhao Q, Ma R, Liu Z, Wang T, Sun X, van Prooijen J, et al.
Br J Soc Psychol . 2023 Nov; 63(2):614-636. PMID: 37933472
People in many societies report that they do not have enough time. What makes people feel so rushed? We propose that economic inequality leads to perceived time poverty by increasing...
9.
Zeng Z, Tian C, Mao J, van Prooijen J, Zhang Y, Yang S, et al.
Br J Soc Psychol . 2023 Oct; 63(2):477-498. PMID: 37864466
Conspiracy theories tend to be prevalent, particularly in societies with high economic inequality. However, few studies have examined the relationship between economic inequality and belief in conspiracy theories. We propose...
10.
Fousiani K, van Prooijen J
Int J Psychol . 2023 Aug; 58(6):563-573. PMID: 37525625
The European Union (EU) legislation suggests that EU member states progressively adopt and implement policies that are primarily in line with the broader European interests, and secondarily with specific national...