Variables | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | |||||
---|---|---|---|---|---|---|---|---|---|---|
Coefficient | Standard coefficient | Coefficient | Standard coefficient | Coefficient | Standard coefficient | Coefficient | Standard coefficient | Coefficient | Standard coefficient | |
Intercept | 1.387*** | Â | 1.229*** | Â | 1.197*** | Â | 0.963*** | Â | 0.785*** | Â |
Control variables | ||||||||||
 Response speed (RS) | 4.134*** | 0.553 | 3.334*** | 0.446 | 3.198*** | 0.428 | 3.184*** | 0.426 | 3.190*** | 0.427 |
 Price (P) | −0.003** | − 0.065 | − 0.007*** | − 0.178 | − 0.006*** | − 0.157 | − 0.006*** | − 0.156 | − 0.006*** | − 0.155 |
Team leader | ||||||||||
 DCL |  |  | 0.727*** | 0.351 | 0.246*** | 0.119 | 0.181** | 0.088 | 0.176** | 0.085 |
 SCL |  |  | 0.296*** | 0.090 | 0.435*** | 0.132 | 0.466*** | 0.142 | 0.505*** | 0.154 |
MT | ||||||||||
 DCT |  |  |  |  | 0.551*** | 0.369 | 0.632*** | 0.423 | 0.620*** | 0.415 |
 SCT |  |  |  |  | −0.053*** | − 0.096 | − 0.031 | − 0.055 | − 0.029* | − 0.053 |
TH |  |  |  |  |  |  | −0.203*** | −0.108 | − 0.445*** | −0.238 |
 TH*DCL |  |  |  |  |  |  |  |  | 0.061** | 0.055 |
 TH*SCL |  |  |  |  |  |  |  |  | 0.106** | 0.168 |
 TH*DCT |  |  |  |  |  |  |  |  | −0.008 | −0.072 |
 TH*SCT |  |  |  |  |  |  |  |  | −0.017 | − 0.032 |
 R2 | 0.311 |  | 0.436 |  | 0.496 |  | 0.502 |  | 0.511 |  |
 Adjusted R2 | 0.309 |  | 0.433 |  | 0.493 |  | 0.498 |  | 0.505 |  |
 F | 200.208 |  | 170.868 |  | 144.928 |  | 127.239 |  | 83.296 |  |
 ΔR2 | 0.311 |  | 0.125 |  | 0.60 |  | 0.006 |  | 0.008 |  |
 ΔF | 200.208 |  | 97.821 |  | 52.938 |  | 11.128 |  | 3.684 |  |