CG (N = 30)

EG1 (N = 30)

M

S

M

S

t

p

Pretest

MS

2.12

.41

2.16

.42

.354

.172

DL

2.14

.41

2.23

.44

−.215

.264

Total

4.26

.80

4.39

.85

.137

.435

After

the experiment

MS

2.16

.42

2.27

.47

−1.52

.055

DL

2.27

.44

2.37

.47

−1.07

.021^*

Total

4.43

.85

4.64

.90

−2.49

.023^*