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. 2018 Oct 22;9:510. doi: 10.3389/fpsyt.2018.00510

Table 2.

Cognitive performance before and after the intervention regarding effectiveness ratings.

d2-R KL pre M (SD) d2-R KL post M (SD)
Training was ineffective (n = 24) 179.71 (36.45) 205.75 (34.18)
Training was neutral (n = 29) 171.90 (32.55) 212.59 (38.65)
Training was effective (n = 50) 173.26 (38.56) 213.50 (40.02)

M, mean; SD, standard deviation; n, sample size.