activity
20242026
collaborators

6 papers

physics.soc-ph2026

Competition between private and expressed opinions in binary choice: the -EPO -voter model

Barbara Kamińska, Barbara Nowak, Arkadiusz Lipiecki +1

People often express opinions that differ from their privately held views, a phenomenon known in economy as preference falsification. Expressed-private opinion (EPO) models capture…

physics.soc-ph2025

When heterogeneity drives hysteresis: Anticonformity in the multistate -voter model on networks

Arkadiusz Lipiecki, Katarzyna Sznajd-Weron

Discontinuous phase transitions are closely linked to tipping points, critical mass effects, and hysteresis, phenomena that have been confirmed empirically and recognized as highly…

physics.soc-ph2025

Decision-Making under Negativity Bias: Double Hysteresis in the Opinion-Dependent -Voter Model

Maciej Doniec, Katarzyna Sznajd-Weron, Federico Vazquez

Negative information often exerts a disproportionately strong impact on human decision-making, a phenomenon known as the negativity bias. In behavioral economics, this effect is fo…

physics.soc-ph2025

Pair Approximation Meets Reality: Diffusion of Innovation in Organizational Networks within the biased-independence q-Voter Model

Angelika Abramiuk-Szurlej, Katarzyna Sznajd-Weron

Collective adaptation, whether in innovation adoption, pro-environmental or organizational change, emerges from the interplay between individual decisions and social influence. Age…

physics.soc-ph2025

Modeling biases in binary decision-making within the generalized nonlinear q-voter model

Maciej Doniec, Pratik Mullick, Parongama Sen +1

Collective decision-making is a process by which a group of individuals determines a shared outcome that shapes societal dynamics; from innovation diffusion to organizational choic…

physics.soc-ph2024

Impact of Cognitive Dissonance on Social Hysteresis: Insights fromthe Expressed and Private Opinions Model

Kamińska Barbara, Sznajd-Weron Katarzyna

The growing interest in models of opinion dynamics, particularly those that distinguish between private beliefs and publicly expressed opinions, spans several academic disciplines,…