| Solomon 4-group design |
| Solomon
4-group design |
| Time |
| Pretest |
| Posttest |
| Experimental
group I |
| R |
| O1 |
| X |
| O2 |
| Control group I |
| R |
| O3 |
| O4 |
| Experimental
group II |
| R |
| X |
| O5 |
| Control group
II |
| R |
| O6 |