Table 3 Probability that the number of successes (performance differences between post- and pre-assessment > critical differences) is due to chance alone given a probability of success for each individual comparison of p = 0.01 and the total number of comparisons performed in each group.
From: Specific effects of EEG based neurofeedback training on memory functions in post-stroke victims
(A) Probability that chance alone is responsible for cognitive improvements after training and total number of comparisons performed in each group | |||||||
|---|---|---|---|---|---|---|---|
| Â | Alertness | Divided Attention | Cogn. Flexibility | Inhibition | WM | STM | LTM |
SMR patients | 0.38 (22) | 0.65 (44) | 0.42 (33) | 0.86 (33) | 0.17 (22) | 1.64 × 10−5 (66)* | 2.66 × 10−15 (99)* |
UA patients | 0.72 (12) | 0.21 (24) | 0.27 (18) | 0.55 (18) | 0.03 (12) | 1.25 × 10−4 (36)* | 1.11 × 10−12 (54)* |
TAU patients | 0.42 (14) | 0.95 (28) | Â | 0.64 (21) | 0.04 (14) | 0.06 (28) | 0.02 (35) |
SMR CG | 0.97 (32) | 0.89 (64) | 0.87 (48) | 0.99 (48) | 0.003 (32)* | 3.50 × 10−8 (96)* | 3.55 × 10−15 (144)* |
UA CG | 0.20 (48) | 0.05 (96) | 0.18 (72) | 0.86 (72) | 4.35 × 10−5 (48)* | 3.12 × 10−11 (144)* | <1 × 10−35 (216)* |
(B) Probability that chance alone is responsible for cognitive declines after training and total number of comparisons performed in each group | |||||||
SMR patients | 0.66 (22) | 0.27 (44) | 1.00 (33) | 0.23 (33) | 0.90 (22) | 0.002 (66) | 0.94 (99) |
UA patients | 0.34 (12) | 0.92 (24) | 0.85 (18) | 0.85 (18) | 0.72 (12) | 0.06 (36) | 0.04 (54) |
TAU patients | 0.77 (14) | 0.79 (28) | Â | 0.89 (21) | 0.77 (14) | 0.14 (28) | 0.69 (35) |
SMR CG | 0.84 (32) | 0.96 (64) | 1.00 (48) | 0.87 (48) | 0.40 (32) | 0.05 (96) | 0.37 (144) |
UA CG | 0.35 (48) | 0.36 (96) | 0.99 (72) | 0.99 (72) | 0.53 (48) | 0.0005 (144)* | <1 × 10−35 (216)* |