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Means (SDs) for the subscales of the IMI as a function of group (game, n=19; sterile, n=21). The maximum on the engagement and IMI subscales is 7.
| IMI subscales | I/E a | CM b | EF c | P/T d |
| Game, mean (SD) | 3.68 (1.61) | 5.30 (0.96) | 4.98 (1.58) | 5.18 (1.21) |
| Sterile, mean (SD) | 4.02 (1.19) | 4.52 (1.04) | 5.37 (1.24) | 4.74 (1.35) |
aI/E: interest/enjoyment.
bCM: competence.
cEF: effort.
dP/T: pressure/tension (reverse-coded so higher numbers mean less pressure).
