Table S5.
Summary statistics for the different samples on trading experience and demographics
| Variables | Study 1 | Study 2 | Test statistic | |
| Inexperienced | Experienced | |||
| Selling experience | ||||
| Sells to customers, proportion | 0 | 0.83 | 0.07 | χ2 (2) = 30.02** |
| Sells to businesses, proportion | 0 | 0.33 | 0.07 | χ2 (2) = 7.44* |
| Online selling, proportion | 0 | 0.72 | 0.07 | χ2 (2) = 23.80** |
| Demographics | ||||
| Sex, proportion female | 0.58 | 0.5 | 0.67 | χ2 (2) = 0.934 |
| Age, y | 34.3 (5.12) | 35.4 (9.08) | 31.0 (7.96) | F(1,43) = 1.33 |
| Income, $20,000 | 2.58 (1.31) | 3.33 (1.37) | 3.80 (1.78) | F(1,43) = 4.37* |
| N | 12 | 18 | 15 | |
Proportions were compared using χ2 tests. Ordinal and continuous variables were tested using ANOVAs. Income was measured using a six-point Likert scale, with bins spanning $20,000 intervals. SDs are in parentheses. *P < 0.05; **P < 0.01 (two-tailed).