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Table 5 Results from evaluation one and two

From: Flexible context aware interface for ambient assisted living

Question group Group 1/Max rating (25) Group 2/Max rating (15) Group 3/Max rating (45) Group 4/Max rating (15) Group 5/Max rating (20) Usability rating/Max overall rating (120)
Question group 25 15 45 15 20 120
Participant 1 22 13 37 12 18 102
Participant 2 20 12 33 10 11 86
Participant 3 25 15 41 15 19 115
Participant 4 25 15 44 14 19 117
Participant 5 24 15 37 14 15 105
Participant 6 22 13 42 15 18 110
Participant 7 21 12 34 13 16 96
Average usability rating for each question group 23 14 38 13 17 104
Usability rating (%) 92 93 84 87 85 87
Usability score       Good