Social problems are relevant to all of us, and it is no coincidence that scholars from many different disciplines-including anthropology, sociology, psychology, and criminology-have systematically studied this area. Unlike natural scientists, social scientists often employ moral judgments during the course of their research. If, for example, an anthropologist wanted to study the effects of Hurricane Katrina, then he would face different obstacles than if a meteorologist were to study the same phenomenon. Most people would agree that it would be unethical for an anthropologist to passively sit by and take notes, rather than offer assistance to victims while conducting fieldwork in the aftermath of a devastating storm. A natural scientist, on the other hand, would probably not experience the moral dilemmas that ...