The feasibility of using haptic devices to engage people with chronic traumatic brain injury in virtual 3D functional tasks

Table 3 Engagement questionnaire: perceptions of difficulty, reports of engagement, number of questions

Self report			Number of subjects
Perceived Difficulty with tasks
Learning and performance both difficult		4
Learning and performance both easy		3
Learning easy, performance difficult		11
Learning difficult, performance easy		1
Difficulty attributed to lack of ability		11
Difficulty attributed to equipment		19
Did you use a strategy to perform the task?	Yes	19	No	0
Were you engaged in the task or bored?	Engaged	19	Bored	2
(Two reported being engaged and bored at times.)
Observations
Was the subject engaged?	Yes	19	No	0
Was the subject frustrated?	Yes	12	No	5
How many questions did the subjects ask?	Mean	39.3	Std. dev.	20.3