Brown University psychological scientist Fiery Cushman is a pioneer in the study of moral psychology—how humans think and feel and form judgments about issues of right and wrong, including justice and punishment. In the wake of Norway’s tragedy last month, I asked Cushman to reflect not only on Anders Brievik’s More

People are more comfortable committing sins of omission than commission—letting bad things happen rather than actively causing something bad. A new study published in Psychological Science, a journal of the Association for Psychological Science, suggests that this is because they know other people will think worse of them if they More