Table 7.
Descriptive Statistics and Inter-Correlations for All Variables Included in the Regression Analysis (N = 71)
| Variable (max score) | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
| 1. Credibility justifications (48) | .249* | .273* | .236* | .108 | .356** | |
| 2. Prior topic knowledge (8) | .297** | .165 | .051 | .315** | ||
| 3. Justification by multiple sources (7) | .476*** | .470*** | .208 | |||
| 4. Justification by authority (7) | .287** | .069 | ||||
| 5. Personal justification (7) | .014 | |||||
| 6. Time spent on task | ||||||
| M | 20.21 | 6.17 | 5.42 | 4.63 | 5.32 | 38:48 |
| SD | 7.00 | 1.19 | 1.04 | 1.17 | 0.90 | 12:29 |
| Skewness | -0.22 | -0.12 | -0.65 | -0.43 | -0.76 | 0.59 |
| Kurtosis | -0.55 | -0.49 | 0.20 | -0.34 | 1.11 | 0.49 |
***p < .001, **p < .01, *p < .05