Descriptive statistics
| M (SD) | |||
|---|---|---|---|
| Text (n = 203) | Voice (n = 113) | Voice + IH (n = 134) | |
| Perceived human-likeness | 4.20 (1.50) | 3.59 (1.32) | 3.84 (1.44) |
| Cognitive load | 3.11 (1.47) | 3.49 (1.40) | 3.41 (1.52) |
| Persuasion knowledge | 4.55 (1.38) | 4.29 (1.13) | 4.54 (1.26) |
| Brand memory | 2.36 (1.57) | 1.61 (1.33) | 2.66 (1.66) |
| Brand attitudes | 5.00 (1.44) | 4.84 (1.10) | 5.05 (1.21) |
| Purchase intention | 4.19 (1.41) | 4.21 (1.28) | 4.30 (1.29) |
| Age | 45.77 (16.13) | 45.81 (15.60) | 47.02 (15.70) |
| Familiarity assistant | 4.56 (1.40) | 3.57 (1.53) | 4.07 (1.56) |
| Familiarity brand | 4.37 (1.52) | 4.02 (1.48) | 4.70 (1.37) |
| Preference voice/text | 5.69 (1.81) | 4.64 (2.10) | 4.08 (2.06) |
| Text | Voice | Voice + IH | |
|---|---|---|---|
| Perceived human-likeness | 4.20 (1.50) | 3.59 (1.32) | 3.84 (1.44) |
| Cognitive load | 3.11 (1.47) | 3.49 (1.40) | 3.41 (1.52) |
| Persuasion knowledge | 4.55 (1.38) | 4.29 (1.13) | 4.54 (1.26) |
| Brand memory | 2.36 (1.57) | 1.61 (1.33) | 2.66 (1.66) |
| Brand attitudes | 5.00 (1.44) | 4.84 (1.10) | 5.05 (1.21) |
| Purchase intention | 4.19 (1.41) | 4.21 (1.28) | 4.30 (1.29) |
| Age | 45.77 (16.13) | 45.81 (15.60) | 47.02 (15.70) |
| Familiarity assistant | 4.56 (1.40) | 3.57 (1.53) | 4.07 (1.56) |
| Familiarity brand | 4.37 (1.52) | 4.02 (1.48) | 4.70 (1.37) |
| Preference voice/text | 5.69 (1.81) | 4.64 (2.10) | 4.08 (2.06) |
Note(s): IH = Interaction History
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