Table 4.

Pre and post exposure perceived ease of use questionnaire items

Perceived Ease of Use
Robot Opinion Questionnaire Item	PRE		POST		Z	n	p
	Mdn	Range	Mdn	Range
My interaction with a robot would be clear and understandable	5	1–6	6	5–7	−2.41	12	.02*
I would find a robot easy to use	5	1–6	6	2–7	−2.14	12	.03*
I would find a robot to be flexible for me to interact with	4.5	1–7	6	2–6	−1.70	12	.09
It would be easy for me to become skillful at using a robot	5	1–6	6	1–7	−2.14	12	.03*
I would find it easy to get a robot to do what I want it to do	5	1–6	6	2–6	−2.33	12	.03*
Learning to operate a robot would be easy for me	5	1–6	6	3–6	−2.15	12	.02*