Improving Outcomes for Care Partners of Persons With Traumatic Brain Injury

Inclusion Criteria: * Be caring for an adult (age 18 or above) with a medically documented TBI that is ≥1-year post-injury and meets the TBI Model Systems (TBIMS) criteria for complicated mild, moderate or severe TBI and who sustained their TBI at age 16 or older * Provide emotional, physical, and/or financial support/assistance to the individual with the TBI, indicating a response ≥1 to the following question: "On a scale of 0-10, where 0 is "no assistance" and 10 is "assistance with all activities", how much assistance does the person you care for require from you to complete activities of daily living due to problems resulting from his/her TBI? Activities could consist of personal hygiene, dressing and undressing, housework, taking medications, managing money, running errands, shopping for groceries or clothing, transportation, meal preparation and cleanup, remembering things, etc." * Have access to necessary resources for participating in a technology-based intervention (smartphone/tablet and internet access) and be willing to use their personal equipment/internet for this study, including downloading the study app and the Fitbit® app on their mobile device * Is able and willing to complete all study assessments for the duration of their study participation (approximately 375 days) Exclusion Criteria: * Is a professional, paid caregiver (e.g., home health aide) * Anything that would preclude safe or meaningful participation in the study