Children as young as age 4 express dislike of and are willing to punish those who freeload off the work of other group members, a new Yale University study has found.
But kids also make a clear distinction between those who freeload intentionally and...
Optimism about the future of others is widespread even in the face of bad news — at least if the person is someone we care about. However, we can feel this optimism even for strangers if they possess a few admirable attributes, a new study by Yale and...