RNR vs. DTS The following table illustrates the differences between the Risk/Needs/Responsivity (RNR) model and the Development/Trait/State (DTS) model. Concept  RNR Model DTS Model Risk  Risk is static Risk has Development, Trait, and State components Needs Focus treatment on criminogenic Needs such as housing, employment, drug use, finances, relationships, and attitudes Treating Needs will tend to create … Continue reading — RNR vs. DTS