The IRB must review and approve any research activity that meets the definitions of both 鈥渞esearch鈥� and 鈥渉uman subjects.鈥� Not all projects meet both definitions. This interactive decision tool can help you confirm whether your study meets these definitions. Contact the IRB at听irbadmin@colorado.edu听or (303) 735-3702 if you have questions or if you need a formal determination from the IRB.听