Deadly persuasion: A multilevel analysis of leader influence tactics and lethality in violent extremist organizations

How does a leader's tenure change an extremist group's lethality? A longitudinal analysis of 645 leader-years uncovers surprising interaction effects.

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When a stay is a switch: Discriminative control of response chunks determines preference during concurrent VI VI schedules

New pigeon study reveals how changeover delays chunk behavior into bursts, reshaping preference on concurrent VI VI reinforcement schedules.

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Shifts and continuity in contemporary violent extremism: Moving toward a dynamic and developmental understanding?

Why is violent extremism fragmenting? A developmental look at youth radicalization, hybrid grievances, and nihilistic violence beyond static categories.

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The end of ideological violence

Are lone-wolf attackers really driven by ideology? A new commentary challenges how we define terrorism—and proposes a bold alternative.

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System-disillusioned youth radicalize: The role of political alienation in the formation of political radicalism

Can feeling powerless make teens radical? A 5-year study of Swedish youth reveals how political distrust and alienation drive adolescent radicalism—especially in boys.

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Extremism without ideology

Can you be an extremist with no ideology at all? A provocative new analysis uses the Southport killer to challenge everything we assume about extremism.

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Why the ‘salad bar’ might actually help extremism research – A reply to Horgan and Shayler

Is 'salad bar' extremism real or just hype? A new analysis reveals why hybrid, incoherent ideologies are surging—and what the data actually show.

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The erosion of conceptual clarity in the study of political violence

Are extremists really ideologically incoherent? A sharp critique of the 'salad bar of ideologies' and the erosion of clarity in political violence research.

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Why the ‘salad bar of ideologies’ does not help us understand contemporary violent extremism

Is 'salad bar' extremism really new? Experts unpack the FBI's viral analogy, the explosion of competing labels, and what mixed ideologies actually mean.

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When it doesn’t get better: Leaning into minoritized identity to brace for decline

When progress stalls, LGBTQ+ identity strengthens: new 8-year study shows ‘leaning in’ not out amid democratic decline. See what drives vigilance & resilience.

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Weaponising the past: An extended SIMCA model for how social identity and collective memory shape variation in collective action responses to democratic backsliding - advances.in/psychology

Explore a SIMCA-based framework on how identity and collective memory drive resistance or acquiescence to democratic backsliding in Russia, Israel, and the U.S.

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War, what is it good for? Propaganda, value-instantiating beliefs, war support and resistance in Russia

How propaganda shapes moral meaning: Russian war study uncovers two value profiles that predict support or resistance—beyond ideology. See what truly matters.

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Race, memory, and colorblindness: Critical history and deconstructing United States democracy

How colorblind history fuels authoritarianism—and how critical racial memory can build a stronger, more equitable democracy.

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The politics of well-being during democratic backsliding: How partisan affiliation and support for government actions relate to happiness and life satisfaction

Do politics shape happiness? Evidence from 5-week tracking links policy support to well-being amid democratic backsliding in the U.S.

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Voices behind walking the talk: Quantified qualitative insights on D&I policy support reasoning

Champions and Bystanders: data-driven profiles explain D&I uptake. Learn the motives behind support, the role of managers, and how to turn intent into action.

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Understanding public responses to counter-protests disrupting social change movements

Violent counter-protests often backfire: five studies show free-speech concerns boost sympathy for social change movements across Hong Kong, Thailand, the U.S., and Australia.

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Stigma-based solidarity betrayal: Implications for resistance to the rise of ethno-nationalism in the U.S.

Betrayal in intergroup alliances: New evidence from 2024 U.S. election shows when solidarity breaks—and why it matters for trust and coalition building.

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White Americans’ feelings of being “last place” are associated with anti-DEI attitudes, Trump support, and Trump vote during the 2024 U.S. presidential election

White Americans who feel in “last place” drove the highest support for alt-right ideology, DEI bans, and Trump in 2024—evidence from a five-wave U.S. study.

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Solidarity as a bridge: Shared discrimination is indirectly associated with voting intentions among People of Color

Can shared discrimination appeals move votes? New experiments show PoC solidarity rises and can boost support for PoC-aligned candidates. See who moved—and why.

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Collective action hinders the increase in post-election trust among election losers: Longitudinal evidence from the 2024 UK election

Does activism hurt political trust? New 2024 UK election study shows collective action hinders trust recovery for election losers. Read the full analysis.

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Why longitudinal is not developmental: Clarifying misconceptions in acculturation research – A response to Berry (2025)

Uncover why standard stage models fall short for acculturation and how concepts like acculturation tempo reconfigure research on cultural adaptation.

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Unpacking the Integration Puzzle: Overlooked Insights from Meta-Analytical Research. A Response to Berry (2025)

Bierwiaczonek responds to Berry's (2025) criticism. Evidence indicates mainstream orientation, not integration, drives adaptation.

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Comments on the papers in the Special Issue “Acculturation reimagined: Setting the stage for the next era of inquiry”

Insights on future acculturation research directions, cultural integration processes, and adaptation outcomes in intercultural contact contexts.

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Partisan forgiveness of political leadership in the 2024 UK general election: Are there limits to transgression credit?

A study of the UK election finds voters grant ‘transgression credit,’ showing more willingness to forgive their own leaders' failings than opponents'.

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The paradoxical effect of emotional acculturation in discriminatory contexts: School adjustment of immigrant minority youth

Emotional acculturation impacts school engagement and social contact in immigrant youth, with discrimination influencing these effects over time.

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Comparing bivariate and multivariate approaches to testing individual-level interaction effects in meta-analyses: The case of the integration hypothesis

Bivariate vs. multivariate tests of interaction in meta-analyses of the integration hypothesis in acculturation research reveal inflated prior results.

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Cross-lagged panel networks

Cross-lagged panel network analysis uncovers longitudinal item-level links between self-esteem and school commitment using regularized regression SEM.

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