obsolete benefit true A benefit is a disposition or the potential positive effects that may arise from participating in a study. Asiyah Yu Lin, Marcy Harris, Yongqun He, Elizabeth Eisenhauer, Alla Karnovsky, Frank Manion, J. Neil Otte, Cooper Stansbury C0814225 C25387 Note that a payment is not a benefit of a study. This term definition is adopted from the NCIt definiton of "benefit" (C25387) with modification. Obsolete Class