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Table 4 Overall Intrinsic Motivation Inventory results for unimpaired subjects

From: Increasing motivation in robot-aided arm rehabilitation with competitive and cooperative gameplay

  Median (25th, 75th percentiles) Significant differences
  SP Comp Coop
Interest/enjoyment 21.0 24.0 23.0 SP - comp (p < 0.001)
(16.8, 25.3) (17.8, 29.0) (18.8, 26.5) SP - coop (p = 0.005)
Perceived competence 20.0 20.0 23.0 SP - coop (p = 0.006)
(14.8, 26.0) (14.5, 26.5) (19.8, 26.5) Comp - coop (p = 0.042)
Effort/importance 26.0 29.0 27.5 SP - comp (p = 0.017)
(22.0, 30.0) (25.5, 32.0) (23.8, 29.3)  
Pressure/tension 15.5 17.5 15.0 SP - comp (p = 0.009)
(12.0, 20.0) (14.0, 21.0) (12.0, 19.3) Comp - coop (p = 0.002)
  1. SP = single-player, comp = competitive, coop = cooperative game mode.