Figure 1From: Examining the impact of familiarity on faucet usability for older adults with dementia The five faucet designs used in this study. Faucets were ordered from least usable (left) to most usable (right) based on a human factors approach and most familiar (left) to least familiar (right) based on average years of exposure and commercial availability. The plastic wand has not yet had a formal usability study, therefore could not be rated for usability. While familiarity plays a role in usability, the faucets were ordered independently for both usability and familiarity.Back to article page