Decades of research document individual differences in prosocial behavior using controlled
experiments that model social interactions in situations of interdependence. However …

Violence in digital games has been a source of controversy in the scientific community and
general public. Over two decades of research have examined this issue. However, much of …

People and societies seek to combat harmful events. However, because resources are
limited, every wrong righted leaves another wrong left unchecked. Responses must …

The present chapter reviews findings on justice sensitivity as an indicator of an individual's
concern for justice. People differ systematically in their inclination to perceive injustice and …

Numerous studies have shown that playing violent video games alone increases
subsequent aggression. However, social game play is becoming more popular than solo …

The “Macbeth effect” denotes the phenomenon that people wish to cleanse themselves
physically when their moral self has been threatened. In this article we argue that such a …

Altruistic punishment refers to the phenomenon that humans invest their own resources to
redress norm violations without self‐interest involved. We address the question of who will …

People differ systematically in their vulnerability to injustice. We present two-item scales for
the efficient measurement of justice sensitivity from 4 perspectives (victim, observer …

Issues involving media psychology are universal: Why do we find a film exciting? What
influence does music have on our feelings? Do computer games featuring violence make …

Individual differences in justice sensitivity and rejection sensitivity have been linked to
differences in aggressive behavior in adults. However, there is little research studying this …