Face-to-Face vs. Virtual Peer Interaction Scalability Trade-Off
Face-to-face interaction yields a statistically significant positive effect on proposal submission ($\beta = 0.126, p < 0.01$ full sample; $\beta = 0.151, p < 0.05$ M0 completers) and extensive quality ($\beta = 0.411, p < 0.05$), but fails to generate a statistically significant effect on intensive business quality ($\beta = 0.180, p > 0.10$).