ABSTRACT Using a sample of nearly 2,100 people incarcerated in Minnesota’s prison system, this study examined the concurrent and predictive validity of a needs and responsivity assessment system. For concurrent validity, we evaluated the relationship between the 13 needs and responsivity domains with assessed recidivism risk levels. For predictive validity, we analyzed the association between the domains and recidivism for a sub-sample that had been released from prison prior to 2023. The hypothesized needs domains – anti-social thinking, anti-social peers, education, employment, substance use disorder, housing/homelessness, and family/domestic – were significantly associated with assessed and observed recidivism, while most of the hypothesized responsivity domains – mental health, religiosity, motivation and learning style – were not. The results suggest self-identity is a distinct criminogenic need. Gender and racial/ethnic differences for concurrent and predictive validity were relatively minimal across the 13 domains.