Control Group | Serial | Experimental Group | Serial | ||||
Average | Posttest | Pretest | Average | Posttest | Pretest | ||
23 | 23 | 23 | 1 | 26 | 27 | 25 | 1 |
16.5 | 17 | 16 | 2 | 25 | 25 | 25 | 2 |
20.5 | 22 | 19 | 3 | 23.5 | 26 | 21 | 3 |
19.5 | 20 | 19 | 4 | 27.5 | 28 | 27 | 4 |
21.5 | 22 | 21 | 5 | 20 | 21 | 19 | 5 |
20 | 20 | 20 | 6 | 20.5 | 21 | 20 | 6 |
22 | 22 | 22 | 7 | 19.5 | 21 | 18 | 7 |
22 | 22 | 22 | 8 | 23 | 25 | 21 | 8 |
24 | 24 | 24 | 9 | 23 | 24 | 22 | 9 |
22 | 22 | 22 | 10 | 18 | 19 | 17 | 10 |
21 | 20 | 22 | 11 | 20 | 23 | 17 | 11 |
18.5 | 20 | 17 | 12 | 25.5 | 26 | 25 | 12 |
21 | 21 | 21 | 13 | 24 | 25 | 23 | 13 |
22.5 | 21 | 24 | 14 | 20 | 21 | 19 | 14 |
18.5 | 19 | 18 | 15 | 25 | 26 | 24 | 15 |
19 | 19 | 19 | 16 | 19 | 21 | 17 | 16 |
21.5 | 22 | 21 | 17 | 20 | 22 | 18 | 17 |
21.5 | 22 | 21 | 18 | 19.5 | 22 | 17 | 18 |
22 | 22 | 22 | 19 | 20 | 21 | 19 | 19 |
21.5 | 22 | 21 | 20 | 21.5 | 23 | 20 | 20 |
19.5 | 20 | 19 | 21 | 18.5 | 20 | 17 | 21 |
19.5 | 21 | 18 | 22 | 23.5 | 26 | 21 | 22 |
20 | 23 | 17 | 23 | 21 | 25 | 17 | 23 |
22.5 | 24 | 21 | 24 | 22.5 | 25 | 20 | 24 |
22.5 | 24 | 21 | 25 | 21 | 24 | 18 | 25 |
23.5 | 25 | 22 | 26 | 24.5 | 26 | 23 | 26 |
20 | 21 | 19 | 27 | 22.5 | 25 | 20 | 27 |
22.5 | 24 | 21 | 28 | 20 | 23 | 17 | 28 |
21.5 | 23 | 20 | 29 | 22.5 | 26 | 19 | 29 |
21.5 | 23 | 20 | 30 | 23 | 26 | 20 | 30 |
20.9 | 21.1 | 20.7 | Average | 22.1 | 23.4 | 20.7 | Average |