Table 5 Results of the independent sample t-test for comparing the control group and experimental group delayed post -test score
| Â | F | Sig | T | Df | Sig (2-tailed) | Mean difference | SE difference | 95% confidence interval of the difference | |
|---|---|---|---|---|---|---|---|---|---|
Lower | Upper | ||||||||
Delay posttest equal variance assumed | 18.20 | 0.000 | − 6.08 | 51 | 0.000 | − 4.60 | 0.70 | − 6.12 | − 3.09 |
Equal variance not assumed |  |  | − 6.08 | 41.74 | 0.000 | − 4.60 | 0.70 | − 6.12 | − 3.09 |