Road signs in ethical quicksand

This commentary highlights some of the major moral and ethical dilemmas illustrated by authors in this special issue. From an ethical viewpoint, the complexity of evaluation activities is likened to “quicksand” terrain in which directional or warning signs should be erected to aid personal choices when such issues are encountered. However, even previous training and personal introspection are inadequate to completely avoid, circumvent, or handle a specific situation because of its complexity and the competing values inherent in ethical choices.