Evaluating a Taxonomy for Mobility Requirements by a Controlled Experiment

Table 1

Results for the posttask questionnaire.

Variable	Treatment group		Control group		Diff	Sign.?
	Mean	St.dev.	Mean	St.dev.
PEOU	3.74	0.62	3.69	0.69	0.05	No
PU	3.64	0.71	3.35	0.83	0.29	No
ITU	3.14	0.72	2.85	0.93	0.29	No