Does meaningful interaction actually change outcomes for older adults, or is “engagement” just a word on a program calendar? This pillar exists to answer that with evidence rather than assumption.
The best-evidenced intervention in this space is cognitive stimulation therapy. A Cochrane systematic review found moderate-quality evidence that structured cognitive stimulation — enjoyable, socially delivered activities focused on thinking and memory — produces a small cognitive benefit for people with mild-to-moderate dementia, roughly equivalent to a six-month delay in expected decline, plus clinically relevant improvements in communication and social interaction. The same review found real limits: benefits are modest, evidence for one-on-one (versus group) delivery is thin, and few studies followed participants beyond 12 months.
That pattern — real but modest, well-evidenced in some formats and thin in others — recurs across this literature, and it’s exactly why attendance and engagement quality get measured differently. A resident can attend every session on the calendar without being meaningfully engaged by any of them — see engagement quality vs. activity attendance for what the research says about measuring the difference, including a practical instrument Canadian operators are already using.
Zooming out from any single format, what does the evidence say companionship is worth in the first place? The short version: strong associations with survival, slower cognitive decline, and better mental health — alongside a genuine, honestly-reported gap in how reliably any specific program builds that companionship on purpose.
This page collects the evidence on what actually works, format by format, as we publish it.
