“…Psychosocial intervention research has emerged as today's forerunner, given its aim to improve daily practice among professionals who provide support to people and families living with dementia. Psychosocial interventions in dementia involve interactions between people to improve psychological and social functioning (Moniz-Cook, Vernooij-Dassen, Woods, & Orrell, 2011;Rabins et al, 2007), such as cognitive stimulation therapy (Woods, Aguirre, Spector, & Orrell, 2012), occupational therapy (Graff et al, 2006) and support programmes for family carers (Vernooij-Dassen, Draskovic, McCleery, & Downs, 2011). This paper outlines the rationale for a paradigm shift in the design and methodology for evaluation of complex interventions in applied dementia care research.…”