The 15 ADS Plus sites will also designate a site interventionist and a backup interventionist who will participate in up to one week of training (via webinar, on-line lectures) in ADS Plus protocols. For those in ADS Plus sites, once the baseline interview is completed the JHU project director will inform the site interventionist to contact that CG and begin ADS Plus (to occur within 10 days from baseline interview). All CGs (treatment/control) will be interviewed via telephone by JHU research staff at 3 months (interim check-in for retention and collect data on key CG outcomes), 6 months (main trial outcome for CG benefits), and 12 months (long-term outcomes for older adult clients and CG). To evaluate implementation processes, interviewers at the University of Minnesota (UoM) will administer a brief checklist at 6 and 12-months to CGs (n=150) from the 15 ADS Plus sites and to the 15 ADS Plus interventionists. Additionally, at 12-months the 15 ADS Plus interventionists will be surveyed using semi-structured interviews by telephone to collect detailed process data on treatment fidelity. These interviews will ascertain challenges and successes of administering ADS Plus to identify areas to refine prior to ADS Plus dissemination in the final phases of the proposed project. Also, at the conclusion of the randomized control trial (RCT), 20 of 150 CGs from the 15 ADS Plus sites will be purposively sampled (based on CG relationship, gender, race/ethnicity, and cognitive impairment of client) to participate in a post-RCT qualitative interview. A semi-structured telephone interview conducted by UoM interviewers will explore how ADS Plus helped them (or not) and perceptions concerning effects of the intervention for clients.