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. Author manuscript; available in PMC: 2020 Aug 2.
Published in final edited form as: J Am Geriatr Soc. 2020 Jul;68(Suppl 2):S68–S73. doi: 10.1111/jgs.16616

Figure 1.

Figure 1.

Depiction of a stepped wedge cluster-randomized trial, with eight clusters and five time periods. White cells (lower left) denote time periods for which the control condition is administered, whereas blue cells (upper right) denote periods for which the intervention is delivered. Clusters, which might be collections of people living with dementia in specific settings or affiliated with specific care providers, range from two to four periods in their duration of exposure to intervention.