In his career, Hoffman is primarily focused on development of empathy and its relationship with moral development,[2] which he defines as "people's consideration for others."[3] His research also touches on areas such as empathic anger, sympathy, guilt and feelings of injustice.[1]
Stilwell, Barbara M.; Thomas, Christopher R. (May 2001), Journal of the American Academy of Child & Adolescent Psychiatry, 40 (5): 614–615, doi:10.1097/00004583-200105000-00026{{citation}}: CS1 maint: untitled periodical (link)
Vogt, Lori Ann (March 2003), The Canadian Child and Adolescent Psychiatry Review, 12 (2): 46–47, PMC2538478{{citation}}: CS1 maint: untitled periodical (link)
Rottschaefer, William A. (September 2004), "Review", Journal of Moral Education, 33 (3): 385–387, hdl:10822/988141