Falls Sensei: a serious 3D exploration game to enable the detection of extrinsic home fall hazards for older adults

Table 3 Mean SUS score and mid-point comparison

SUS item	Mid-point	Falls Sensei application	Gap score	Df	t-value	P-value (2-tail)
SUS item	Mid-point	Mean ± SD	Gap score	Df	t-value	P-value (2-tail)
S1: I think that I would like to use this Falls Sensei game frequently.	3.00	3.07 ± 1.43	0.07	13	0.19	0.856
S2: I found the Falls Sensei game unnecessarily complex.^a	3.00	4.36 ± 0.93	1.36	13	5.47	0.000^*
S3: I thought the Falls Sensei game was easy to use.	3.00	3.92 ± 0.91	0.92	13	3.79	0.002^*
S4: I think that I would need the support of a technical person to be able to use this Falls Sensei game ^a	3.00	4.07 ± 1.07	1.07	13	3.74	0.002^*
S5: I found the various functions in this Falls Sensei game were well integrated.	3.00	3.86 ± 0.74	0.86	13	3.71	0.003^*
S6: I thought there was too much inconsistency in this Falls Sensei game.^a	3.00	4.42 ± 1.09	1.42	13	4.91	0.000*
S7: I would imagine that most people would learn to use this Falls Sensei game very quickly.	3.00	4.36 ± 0.74	1.36	13	6.82	0.000^*
S8: I found the Falls Sensei game very cumbersome to use.^a	3.00	4.29 ± 1.07	1.29	13	4.50	0.001^*
S9: I felt very confident using the Falls Sensei game	3.00	4.43 ± 0.65	1.42	13	8.27	0.000^*
S10: I needed to learn a lot of things before I could get going with this Falls Sensei game.^a	3.00	4.21 ± 0.89	1.21	13	5.09	0.000^*

^aResponses of negative items were reversed to align with positive items, higher scores indicate positive responses
*Indicates statitisically significant <= 0.05 confidence level

ISSN: 1472-6947