TABLE 2.
Hierarchical Regressions with Dependent Variable Team Performance (ROI).
| Step 1 |
Step 2 |
Step 3 |
Step 4 |
|||||
| Variable | β | SE | β | SE | β | SE | β | SE |
| Control Variables | ||||||||
| Age | 0.16 | 0.00 | 0.12 | 0.00 | 0.03 | 0.00 | 0.05 | 0.00 |
| Gender | 0.12 | 0.03 | 0.10 | 0.03 | 0.01 | 0.03 | –0.02 | −0.01 |
| Hours spent | 0.13 | 0.01 | 0.10 | 0.01 | 0.07 | 0.01 | 0.12 | 0.01 |
| Management simulation exp. | –0.01 | 0.02 | 0.01 | 0.02 | 0.11 | 0.02 | 0.16 | 0.02 |
| SCM knowledge | 0.19 | 0.02 | 0.13 | 0.02 | –0.00 | 0.02 | –0.03 | 0.00 |
| Main effects | ||||||||
| Majority decision-making | –0.17 | 0.07 | –0.12 | 0.06 | –0.05 | 0.06 | ||
| Shared task representations | 0.13 | 0.04 | 0.23* | 0.03 | 0.14 | 0.03 | ||
| Leadership ambiguity | –0.07 | 0.05 | 0.04 | 0.04 | 0.07 | 0.04 | ||
| Interaction 2-way | ||||||||
| MDMxSTR | 0.36** | 0.23 | 0.25* | 0.23 | ||||
| MDMxLA | –0.14 | 0.22 | –0.08 | 0.21 | ||||
| STRxLA | 0.15 | 0.11 | 0.16 | 0.11 | ||||
| Interaction 3-way | ||||||||
| MDMxSTRxLA | 0.32** | 0.54 | ||||||
| R2 | 0.09 | 0.14 | 0.36 | 0.42 | ||||
| ΔR2 | 0.09 | 0.05 | 0.21 | 0.06 | ||||
| ΔF | 1.47 | 1.49 | 7.70*** | 7.15* | ||||
| dfs | (5, 75) | (3, 72) | (3, 69) | (1, 68) | ||||
N = 81 teams; *p < 0.05; **p < 0.01; ***p < 0.001; two-tailed; Total R = 0.65 for step 4; SCM, Supply Chain Management; MDM, Majority decision-making; STR, Shared task representations; LA, Leadership ambiguity; ROI, return on investment.