Groups

n

Mean

Std. Deviation

t

df

Sig. (2-tailed)

Test 1

Experimental

20

73.40

11.72

0.84

28

0.409

Control

10

69.70

10.70

0.87

19.68

Test 2

Experimental

20

82.00

9.36

3.37

28

0.002

Control

10

69.90

9.12

3.40

18.53

Test 3

Experimental

20

86.90

8.22

4.18

28

0.000

Control

10

71.90

11.17

3.77

14.05