Table 6.
Descriptive Statistics for Students’ Credibility Justifications by Credibility Aspect (N = 69–71)
| Credibility aspect | M | SD | Md | Pairwise comparisons |
|---|---|---|---|---|
| Author expertise | ||||
| 1. Researcher | 1.82 | 0.97 | 2 | 1 > 2, 3, 4 |
| 2. CEO | 1.36 | 0.89 | 1 | |
| 3. Mother | 1.31 | 0.62 | 1 | |
| 4. Journalist | 1.07 | 0.95 | 1 | |
| Author benevolence | ||||
| 1. CEO | 1.96 | 0.78 | 2 | 1 > 2, 3,4 |
| 2. Mother | 1.39 | 0.87 | 1 | |
| 3. Researcher | 1.38 | 0.73 | 1 | |
| 4. Journalist | 1.09 | 0.85 | 1 | |
| Venue’s publication practices | ||||
| 1. Blog service | 1.41 | 0.94 | 1 | 1 > 4 |
| 2. Research center | 1.11 | 0.99 | 1 | |
| 3. Newspaper | 1.06 | 1.06 | 1 | |
| 4. Company | 0.96 | 0.73 | 1 | |
| Quality of evidence | ||||
| 1. Own observations (Blog) | 1.18 | 0.95 | 1 | |
| 2. Expert statement (Newspaper) | 1.17 | 1.17 | 1 | |
| 3. Customer survey (Company) | 1.14 | 1.07 | 1 | |
| 4. Research results (Research center) | 1.10 | 0.97 | 1 |