Primary Hypothesis: Enhancing the Quality of Informed Consent Development Phase (EQUIC-DP) is a pilot and instrument-development study that will be used as the base for a VA Cooperative Studies Program-wide initiative on informed consent, called EQUIC (Enhancing the Quality of Informed Consent). EQUIC-DP has as its primary aim the field testing and iterative improvement of a method for measuring the success of an informed consent encounter with a patient-subject.