CG (N = 57)

EG (N = 58)

M

S

M

S

t

p

Pretest

MS

2.21

.42

2.19

.50

.374

.182

DL

2.24

.43

2.26

.49

−.235

.264

Total

4.35

.80

4.45

.91

.139

.446

After the experiment

MS

2.19

.45

2.28

.46

−1.62

.053

D L

2.24

.43

2.35

.48

−1.17

.022*

Total

4.43

.85

4.63

.86

−2.79

.025*