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Post-hoc multiple comparison: pretest, the immediate and delayed posttest scores
| (I)group | (J)group | Mean difference (I–J) | Std. error | Sig. | 95% confidence interval | |
|---|---|---|---|---|---|---|
| Lower bound | Upper bound | |||||
| Pretest | Immediate posttest | 13.220* | .380 | .000* | 12.980 | 14.980 |
| Delayed posttest | 13.063* | .381 | .000* | 12.091 | 15.012 | |
| Immediate posttest | Pretest | 13.220* | .380 | .000* | 12.980 | 14.980 |
| Delayed posttest | .170 | .430 | .949 | − .670 | .939 | |
*Significant at the .05 level (2-tailed)
