Fig. 2From: Reducing inappropriate psychotropic drug use in nursing home residents with dementia: protocol for participatory action research in a stepped-wedge cluster randomized trialCyclic approach of the PAR-RCT. Period 1 is shown in black and Period 2 is shown in gray. Abbreviations, PAR, Participatory action research; RCT, Randomized Controlled TrialBack to article page