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Table 3 Mean SUS score and mid-point comparison

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

SUS item Mid-point Falls Sensei application Gap score Df t-value P-value (2-tail)
Mean ± SD
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*
  1. aResponses of negative items were reversed to align with positive items, higher scores indicate positive responses
  2. *Indicates statitisically significant <= 0.05 confidence level
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