Table 1.

Comparison of average completion times, error rates, SUS scores, and NASA-TLX scores by view

Group	POV	Standard View	Difference	P Value
Mean completion time, s	172.7	205.4	POV 32.7 seconds faster	<.0001
Mean response error rates, %	3.4	7.7	POV 4.3% more accurate	.0010
Mean SUS score	58.5	41.3	POV 17.2 points higher	<.0001
Mean NASA-TLX score	0.72	0.99	POV 0.27 points lower	<.0001

NASA-TLX: NASA Task Load Index; POV: problem-oriented view; SUS: System Usability Scale .