Table 2.
The performance of the control group in pre-test and post-test
| Candidate Identity Number | Pre test | Post test | Difference |
|---|---|---|---|
| Candidate 1468 | 10 | 18 | 8 |
| Candidate 1499 | 7 | 12 | 5 |
| Candidate 1502 | 18 | 19 | 1 |
| Candidate 1506 | 20 | 20 | 0 |
| Candidate 1507 | 16 | 23 | 7 |
| Candidate 1509 | 18 | 28 | 10 |
| Candidate 1514 | 12 | 16 | 4 |
| Candidate 1515 | 19 | 33 | 14 |
| Candidate 1516 | 3 | 16 | 13 |
| Candidate 1517 | 16 | 23 | 7 |
| Candidate1519 | 9 | 16 | 7 |
| Candidate 1522 | 20 | 22 | 2 |
| Candidate 1523 | 9 | 12 | 3 |
| Candidate 1530 | 19 | 20 | 1 |
| Candidate 1533 | 8 | 26 | 18 |
| Candidate 1538 | 12 | 30 | 18 |
| Candidate 1539 | 15 | 22 | 7 |
| Candidate 1544 | 14 | 21 | 7 |
| Candidate 1545 | 17 | 18 | 1 |
| Candidate 1546 | 13 | 20 | 7 |
| Candidate 1547 | 15 | 27 | 12 |
| Candidate 1548 | 10 | 23 | 13 |
| Candidate 1549 | 16 | 14 | −2 |
| Candidate 1551 | 17 | 21 | 4 |
| Candidate 1553 | 16 | 27 | 11 |
| Candidate 1554 | 15 | 26 | 11 |
| Candidate 1556 | 13 | 17 | 4 |
| Candidate 1557 | 11 | 28 | 17 |
| Candidate 1559 | 17 | 17 | 0 |
| Candidate 1562 | 9 | 16 | 7 |
| Candidate 1563 | 12 | 19 | 7 |
| Candidate 1567 | 20 | 25 | 5 |
| Candidate 1568 | 12 | 26 | 14 |
| Candidate 1570 | 15 | 23 | 8 |
| Candidate 1578 | 17 | 17 | 0 |