Usability Test Results - MIT Libraries: March 1999

	# of answers found		total minutes
Person 1	5		17.25
Person 2	5		12.5
Person 3	7		9.75
Person 4	7		8.75
Person 5	7		11
Person 6	8		10
Person 7	5		16.5
Person 8	7		7.75
Person 9	8		5
Person 10	6		12
Person 11	7		7.5
Person 12	5		10.25
Person 13	7		6.25
Person 14	7		4
Person 15	5		13
Person 16	5		13
Person 17	5		11
Person 18	6		10
Person 19	3		16.75
Person 20	8		8.25
Person 21	5		15.25
Person 22	7		7.5
Person 23	7		8
Person 24	5		12.75
Person 25	8		6.75
Person 26	7		9.75
Person 27	4		14.75
Person 28	4		16.5
Person 29	6		11.5
Total	176	answers	313.25	8 x 29 people = 232 questions
Average	6.06	out of 8 questions		313.25 / 232 = 1.35
	75%	success rate	1.35	Average minutes per question