Choice data analysis results
| Model1 | Model2 | Model3 | |||||
|---|---|---|---|---|---|---|---|
| β | SE | β | SE | β | SE | ||
| Price | −1.34 | 0.09*** | −1.34 | 0.09*** | −1.35 | 0.09*** | |
| Opt-out | −8.22 | 0.47*** | −8.21 | 0.47*** | −8.23 | 0.48*** | |
| PDO | Mean | 1.03 | 0.06*** | 1.03 | 0.06*** | 1.04 | 0.50*** |
| SD | 0.01 | 0.48 | 0.00 | 0.76 | 0.00 | 0.49 | |
| Blockchain | Mean | 0.36 | 0.04*** | 0.36 | 0.04*** | 0.36 | 0.04*** |
| SD | 0.04 | 0.76 | 0.05 | 0.75 | 0.06 | 0.85 | |
| Company QR | Mean | 0.76 | 0.06*** | 0.76 | 0.06*** | 0.76 | 0.06*** |
| SD | 0.01 | 0.30 | 0.01 | 0.38 | 0.01 | 0.33 | |
| Trace QR | Mean | 1.01 | 0.07*** | 0.38 | 0.10*** | 0.82 | 0.08*** |
| SD | 1.04 | 0.21*** | 0.98 | 0.22*** | 1.02 | 0.21*** | |
| Ethnogroup*Trace QR | 0.59 | 0.10*** | 0.56 | 0.11*** | |||
| Scanning*Trace QR | 0.57 | 0.10*** | |||||
| Reading time*Trace QR | 0.00 | 0.00 | |||||
| Goodness of fit | |||||||
| AIC | 9,364 | 9,311 | 9,344 | ||||
| BIC | 9,430 | 9,391 | 9,424 | ||||
| Log-likelihood | −4,672 | −4,643 | −4,660 | ||||
| Model1 | Model2 | Model3 | |||||
|---|---|---|---|---|---|---|---|
| β | SE | β | SE | β | SE | ||
| Price | −1.34 | 0.09*** | −1.34 | 0.09*** | −1.35 | 0.09*** | |
| Opt-out | −8.22 | 0.47*** | −8.21 | 0.47*** | −8.23 | 0.48*** | |
| PDO | Mean | 1.03 | 0.06*** | 1.03 | 0.06*** | 1.04 | 0.50*** |
| SD | 0.01 | 0.48 | 0.00 | 0.76 | 0.00 | 0.49 | |
| Blockchain | Mean | 0.36 | 0.04*** | 0.36 | 0.04*** | 0.36 | 0.04*** |
| SD | 0.04 | 0.76 | 0.05 | 0.75 | 0.06 | 0.85 | |
| Company QR | Mean | 0.76 | 0.06*** | 0.76 | 0.06*** | 0.76 | 0.06*** |
| SD | 0.01 | 0.30 | 0.01 | 0.38 | 0.01 | 0.33 | |
| Trace QR | Mean | 1.01 | 0.07*** | 0.38 | 0.10*** | 0.82 | 0.08*** |
| SD | 1.04 | 0.21*** | 0.98 | 0.22*** | 1.02 | 0.21*** | |
| Ethnogroup*Trace QR | 0.59 | 0.10*** | 0.56 | 0.11*** | |||
| Scanning*Trace QR | 0.57 | 0.10*** | |||||
| Reading time*Trace QR | 0.00 | 0.00 | |||||
| Goodness of fit | |||||||
| AIC | 9,364 | 9,311 | 9,344 | ||||
| BIC | 9,430 | 9,391 | 9,424 | ||||
| Log-likelihood | −4,672 | −4,643 | −4,660 | ||||
Note(s): *** indicates a significance at 0.001
β is the coefficient, SE is the standard error, and SD is the standard deviation
Source(s): Authors' work