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Coding of categorical variable (channel) for mediation analysis in Study 1.
| Dummy coded variables | Condition |
||||
| Neutral | Text | Emoticon | Voice | Video | |
| X1 | 0 | 1 | 0 | 0 | 0 |
| X2 | 0 | 0 | 1 | 0 | 0 |
| X3 | 0 | 0 | 0 | 1 | 0 |
| X4 | 0 | 0 | 0 | 0 | 1 |
The neutral condition was used as a reference group.
