*The higher the score the more problematic the activity.
For this activity, the universal design presented to participants was perceived as less problematic than participants' typical experiences obtaining information or assistance from another person.
Below is a description of the PAI scores for participants’ typical experience obtaining information or assistance from another person and their perceived experience had they encountered the design shown below.
Condition
Typical Experience
Experience with Design
Arms/Hands
20
11
Legs/Feet
25
12
Back/Neck
19
10
Hearing
20
11
Sight
20
12
Cognitive
19
13
No Condition
13
5
Design example provided to participants below:
Below are drawings of people using a customer service desk with countertops ranging from 30 to 42 inches above the floor. The countertops extend outward toward the user 12 inches beyond the counter’s base. Each position at the service desk provides the customer with a keyboard and text display screen to complement conventional verbal communication. Service employees are positioned to always face the customer.

