Table 7.
Significance of variables with mediators excluded and included.
| Model | Unstandardized Coefficients | Standard Coefficients | |||
|---|---|---|---|---|---|
|
|
|||||
| B | SE B | β | t | p | |
|
| |||||
| (Constant) | −4.139 | 2.873 | −1.440 | .166 | |
| EF_Minus_WM_and_G | .071 | .042 | .300 | 1.695 | .106 |
| G_Minus_WM_and_EF | .110 | .035 | .643 | 3.168 | .005 |
| WM with G and EF | .069 | .028 | .444 | 2.446 | .024 |
| P2_Hunger | .355 | .131 | .483 | 2.708 | .014 |
| P2_Mood | .388 | .242 | .397 | 1.606 | .125 |
| P2_Caffeine | −.008 | .005 | −.280 | −1.614 | .123 |
| P2_Fatigue | .590 | .505 | .260 | 1.169 | .257 |
|
| |||||
| (Constant) | −4.906 | 4.848 | −1.012 | .329 | |
| EF_Minus_WM_and_G | .054 | .072 | .226 | .744 | .469 |
| G_Minus_WM_and_EF | .108 | .042 | .627 | 2.590 | .021 |
| WM with G and EF | .070 | .049 | .454 | 1.442 | .171 |
| P2_Hunger | .349 | .154 | .476 | 2.265 | .040 |
| P2_Mood | .516 | .418 | .528 | 1.235 | .237 |
| P2_Caffeine | −.009 | .006 | −.317 | −1.418 | .178 |
| P2_Fatigue | .519 | .810 | .229 | .641 | .532 |
| P2_Mastery_Confidence | −.014 | .598 | −.007 | −.023 | .982 |
| P2_Incompetence_Fear | .254 | .530 | .143 | .480 | .638 |
| P2_Interest | .439 | .735 | .263 | .598 | .559 |
| P2_Challenge | −.189 | 1.187 | −.064 | −.159 | .876 |
| P2_Motivation | −.257 | .306 | −.302 | −.840 | .415 |
|
| |||||
| Dependent Variable: logit_BCI | |||||
a
EF_Minus_WM_and_G = the residualized executive function variable
b
G_Minus_WM_and_EF = the residualized general intelligence variable
c
WM with G and EF = the residualized working memory variable
d
logit_BCI = the logit transformation of the brain-computer interface accuracy outcome variable