Like many web platforms, Facebook is under pressure to regulate misinformation. According
to the company, users that repeatedly share misinformation (‘repeat offenders’) will have …

The valence of new information influences learning rates in humans: good news tends to
receive more weight than bad news. We investigated this learning bias in four experiments, by …

Implications The spread of misinformation on online platforms is a growing concern in society,
and experts have increasingly highlighted platforms’ responsibility in addressing the issue …

The sense of agency refers to the feeling that we control our actions and, through them, effects
in the outside world. Reinforcement learning provides an important theoretical framework …

Complex ecosystems are difficult to model and are still poorly understood. In spite of the
long lasting efforts to predict them, we still lack a real integrated framework to grasp their …

Most people envision themselves as operant agents endowed with the capacity to bring
about changes in the outside world. This ability to monitor one's own causal power has long …

Positivity bias refers to learning more from positive than negative events. This learning
asymmetry could either reflect a preference for positive events in general, or be the upshot of a …

There is growing pressure for mainstream platforms, such as Facebook, Twitter or YouTube,
to fight misinformation by moderating the content that spreads on their site. We investigated …

There is a growing concern in society about the spread of misinformation on online platforms
and its potential impact on democratic debates and public health. To address this concern, …

Using a dataset of URLs marked as ’False’ by Science Feedback, an organization verifying
the credibility of science-related viral information, we investigated the reach of groups and …