Table 3. Results of the Paired T-Test Testing the Change in Opinions From Immediately After Watching the Video to One-Week After Watching the Video (Decay Effects Within One Week).
| Bootstrap paired t-test (based on 1000 samples) | ||
|---|---|---|
| Statistical Indices | Immediately after watching the video | One week after watching the video |
| M, SD | 2.6316 (1.5819) | 1.9868 (1.6289) |
| Bias (M, SD) | -.0176 (-.0143) | .0135 (-.0095) |
| Standard error (M, SD) | .1804 (.1235) | .1935 (.1107) |
| 95% Confidence interval | 2.3026 (1.3300) to 2.9868 (1.7992) | 1.6447 (1.3931) to 2.3816 (1.8431) |
| Mean difference (SD) | .6447 (1.1512) | |
| t (df) | 4.882 (75) | |
| Bias (Standard error) | .0040 (.1305) | |
| p | .001 | |
| Effect size (d) | .56 | |
| 95% Confidence interval | .3819 to .9207 | |
Note. M = mean; SD = standard deviation; df = degrees of freedom; d = effect size (Cohen’s d).