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Table 4 Mean score and standard deviations of SWAT, perceived usefulness and perceived ease of use.

From: Activity-Oriented Design of Health Pal: A Smart Phone for Elders' Healthcare Support

  Means Standard deviations
SWAT 23.89 25.82
Usefulness (Total) 2.40 1.04
Scenario (1) 2.32 0.89
Scenario (2) 2.58 1.47
Scenario (3) 2.33 0.93
Ease of use (Total) 2.77 1.20
Scenario (1) 2.84 1.24
Scenario (2) 2.66 1.30
Scenario (3) 2.83 1.20