The majority of the intervention will be delivered in primary care settings on low-cost touch-screen computers through multi-media audio-narrative and video messages. Studies have not tested the effectiveness of tailored communications specified to stated "implementation intentions" for improving CRC screening. A randomized design will test a comparison of generic information versus a multi-media tailored intervention that specifically addresses each participant's screening test preference, current CRC screening decisional state (Precaution Adoption Process Model), and specified to stated "implementation intentions" (the "when," "Where," and "how" details of screening.) Behavioral intervention materials in English and Spanish will be developed with the help of cultural experts, pilot tests, and interviews that will test salience and cultural appropriateness of audio, video, and graphic messages for low-income minorities and whites. The study will be conducted with 460 patients eligible for CRC screening and recruited while presenting for care in urban clinics. All participants will receive baseline touch-screen administered assessment and, depending on stated preference, be offered either immunochemical fecal occult blood test (iFOBT-InSureTM) or a colonoscopy. Participants will be randomized to either "C" (comparison group-computer delivered generic CRC information) or "TI2" (active intervention-computer delivered tailored messaging based on individual PAPM stage, behavioral constructs, and "implementation intentions"). A brief office exit survey will assess patient-provider discussions of CRC screening and satisfaction with computerized message materials. A 90-day post randomization follow-up telephone call assessment with all participants will reassess PAPM stage and perceived CRC screening barriers.