CG (N = 30)

EG2(N = 30)

M

S

M

S

t

p

Pretest

MS

2.12

.41

2.15

.41

.354

.172

DL

2.14

.41

2.21

.42

−.215

.264

Total

4.26

.80

4.36

.82

.134

.431

After

the experiment

MS

2.16

.42

2.31

.44

−1.42

.045^*

DL

2.27

.44

2.39

.45

−1.03

.020^*

Total

4.43

.85

4.70

.86

−2.41

.013^*