Table 5.
Results from longitudinal LME modeling of the n-back task.
| Effect of Treatment | Effect of Time | Treatment Time | Main Effect of Time & Interaction | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| F | p | Numerator df | Denominator df | F | p | F | p | Numerator df | Denominator df | |
| Accuracy | ||||||||||
| Proportion Correct N = 1 & N = 2 Combined | 2.129 | 0.146 | 1 | 201.068 | 23.708 | <0.001 | 0.947 | 0.436 | 4 | 654.212 |
| Proportion Correct N = 1 & N = 2 Target Trials | 0.094 | 0.759 | 1 | 196.458 | 9.487 | <0.001 | 2.235 | 0.064 | 4 | 665.183 |
| Proportion Correct N = 1 & N = 2 Non-Target Trials | 4.925 | 0.028 | 1 | 203.427 | 16.539 | <0.001 | 0.118 | 0.976 | 4 | 619.148 |
| Proportion of False Alarms N = 1 & N = 2 Trials | 0.204 | 0.652 | 1 | 195.684 | 15.564 | <0.001 | 0.136 | 0.969 | 4 | 641.268 |
| Omissions N = 1 & N = 2 Trials | 8.284 | 0.004 | 1 | 196.894 | 4.781 | <0.001 | 0.086 | 0.987 | 4 | 585.205 |
| Proportion Correct 0-Back Trials | 2.760 | 0.098 | 1 | 221.430 | 1.766 | 0.134 | 0.425 | 0.791 | 4 | 612.745 |
| Proportion Correct 0-Back Target Trials | 1.859 | 0.174 | 1 | 218.398 | 0.955 | 0.432 | 0.530 | 0.714 | 4 | 619.311 |
| Proportion Correct 0-Back Non-Target Trials | 2.595 | 0.108 | 1 | 272.157 | 2.198 | 0.068 | 0.450 | 0.772 | 4 | 613.690 |
| Proportion of False Alarms 0-Back Trials | 1.725 | 0.190 | 1 | 301.950 | 1.525 | 0.193 | 1.523 | 0.194 | 4 | 634.316 |
| Omissions 0-Back Trials | 1.712 | 0.192 | 1 | 214.768 | 2.203 | 0.067 | 2.034 | 0.088 | 4 | 573.777 |
| Proportion Correct 1-Back Trials | 0.987 | 0.322 | 1 | 206.676 | 12.756 | <0.001 | 2.112 | 0.078 | 4 | 640.984 |
| Proportion Correct 1-Back Target Trials | 0.260 | 0.611 | 1 | 195.324 | 6.908 | <0.001 | 1.306 | 0.266 | 4 | 653.941 |
| Proportion Correct 1-Back Non-Target Trials | 1.805 | 0.180 | 1 | 229.925 | 10.032 | <0.001 | 1.355 | 0.248 | 4 | 597.683 |
| Proportion of False Alarms 1-Back Trials | 0.320 | 0.572 | 1 | 196.861 | 8.678 | <0.001 | 2.825 | 0.024 | 4 | 612.677 |
| Omissions 1-Back Trials | 2.193 | 0.140 | 1 | 264.435 | 2.956 | 0.019 | 1.135 | 0.339 | 4 | 592.520 |
| Proportion Correct 2-Back Trials | 3.088 | 0.080 | 1 | 200.852 | 18.621 | <0.001 | 0.085 | 0.987 | 4 | 640.454 |
| Proportion Correct 2-Back Target Trials | 0.002 | 0.962 | 1 | 205.279 | 6.064 | <0.001 | 1.710 | 0.146 | 4 | 656.353 |
| Proportion Correct 2-Back Non-Target Trials | 6.237 | 0.013 | 1 | 203.483 | 13.407 | <0.001 | 0.577 | 0.679 | 4 | 621.606 |
| Proportion of False Alarms 2-Back Trials | 0.102 | 0.749 | 1 | 213.668 | 10.630 | <0.001 | 1.116 | 0.348 | 4 | 637.502 |
| Omissions 2-Back Trials | 8.833 | 0.003 | 1 | 179.915 | 4.630 | 0.001 | 0.731 | 0.571 | 4 | 589.298 |
| Reaction Time | ||||||||||
| N = 1 & N = 2 Correct Trials | 0.000 | 0.987 | 1 | 194.698 | 22.125 | <.001 | 0.527 | 0.716 | 4 | 658.257 |
| N = 1 & N = 2 Correct Target Trials | 0.364 | 0.547 | 1 | 196.034 | 14.803 | <.001 | 0.236 | 0.918 | 4 | 604.547 |
| N = 1 & N = 2 Correct Non-Target Trials | 0.001 | 0.971 | 1 | 193.120 | 24.577 | <.001 | 0.498 | 0.737 | 4 | 654.277 |
| 0-Back Correct Trials | 0.620 | 0.432 | 1 | 198.526 | 15.017 | <0.001 | 0.175 | 0.951 | 4 | 649.023 |
| 0-Back Correct Target Trials | 0.948 | 0.331 | 1 | 192.765 | 2.936 | 0.020 | 0.238 | 0.917 | 4 | 630.231 |
| 0-Back Correct Non-Target Trials | 0.566 | 0.453 | 1 | 199.570 | 17.907 | <0.001 | 0.252 | 0.909 | 4 | 644.080 |
| 1-Back Correct Trials | 0.062 | 0.803 | 1 | 191.793 | 19.437 | <0.001 | 0.713 | 0.583 | 4 | 650.419 |
| 1-Back Correct Target Trials | 0.195 | 0.659 | 1 | 192.608 | 10.939 | <0.001 | 0.443 | 0.777 | 4 | 617.025 |
| 1-Back Correct Non-Target Trials | 0.050 | 0.824 | 1 | 191.700 | 20.789 | <0.001 | 0.622 | 0.647 | 4 | 646.554 |
| 2-Back Correct Trials | 0.023 | 0.881 | 1 | 198.949 | 16.211 | <0.001 | 0.363 | 0.835 | 4 | 653.667 |
| 2-Back Correct Target Trials | 0.162 | 0.688 | 1 | 201.529 | 8.674 | <0.001 | 0.140 | 0.967 | 4 | 605.549 |
| 2-Back Correct Non-Target Trials | 0.046 | 0.830 | 1 | 196.271 | 18.693 | <0.001 | 0.369 | 0.831 | 4 | 650.948 |