Figure 3From: Examining the impact of familiarity on faucet usability for older adults with dementia Types of errors made for the (a) aware/mild, (b) moderate, and (c) severe levels of dementia groups. Note that more than one type of error could be made in the same trial, therefore the sum of the errors for a faucet type can be more than 100% (e.g., the moderate group’s use of the plastic wand; 38.9% + 40% + 48.9% + 2.2% = 130%).Back to article page