In two experiments with 405 students playing Call of Duty in pairs, players with more experience and higher scores reported less hostility and better mood. Experience lowered hostility mainly by improving performance.
Video of mathematicians solving hard proofs showed that their shifts between blackboard inscriptions became steadily less predictable starting more than two minutes before they voiced a sudden insight, an early warning sign like those that precede tipping points in ecosystems.
Across the EU-27 from 2014 to 2020, political messaging on Facebook and LinkedIn boosted the electoral success of right-wing populist parties, while left-wing parties' activity on Facebook, Twitter and LinkedIn did not.
A California Law Review Note argues that a small payment for voting, perhaps $20 in a local election, would draw low-income voters more than wealthy ones and would survive federal vote-buying law and constitutional challenge.
Ashley Rubin argues that research on punishment increasingly swaps explanation for moral condemnation, as an activist logic of exposing injustice displaces the scientific logic of explaining it. The result, she says, is stalled theory and eroding public trust in academics.
Describing time with a large and a small unit, like "2 hours and 59 minutes" or "by 8 PM on June 30", makes durations feel longer than a single unit does, nine preregistered experiments and online course platform data show.
In a survey of 923 married US adults, about half of whom met their spouse online, online daters reported somewhat less satisfying and stable marriages. The gap was modest, and was explained by greater social marginalization and geographic distance.
In a survey of 222 adults, people who reported more prosocial behaviour used emojis more often and preferred positive ones, while poorer mental health went with a stronger liking for negative emojis (r = .42).
Tracking 44,213 Chess.com players for six months, researchers found an hour of deliberate practice raised ratings by 3.11 points versus 0.86 for an hour of play, a 3.61-fold efficiency gap. Yet players spent over 90% of their time just playing games.
In a survey of 839 employed adults in Germany, environmental activism was positively linked to Machiavellianism, narcissism, antihierarchical aggression and anticonventionalism, and most of these links held after controlling for the Big Five traits and political orientation.