Group

Skils

Min.

Max.

Avg.

Std. Dev.

Skew

Kurtosis

Experimental Group

Pre reading

44.00

96.00

68.80

17.59

−0.29

−0.91

Post reading

60.00

95.00

83.00

10.06

−1.16

2.58

Control Group

Pre reading

36.00

80.00

66.86

15.44

−1.59

2.47

Post reading

68.00

90.00

75.71

8.04

0.92

0.17

Experimental Group

Pre listening

56.00

100.00

85.90

14.39

−1.08

0.58

Post listening

75.00

100.00

91.00

8.43

−0.56

−0.47

Control Group

Pre listening

56.00

88.00

75.43

12.09

−0.47

−0.95

Post listening

72.00

100.00

88.57

10.69

−0.80

−0.98

Experimental Group

Pre writing 1

50.00

100.00

78.00

14.76

−0.61

0.26

Post writing 1

70.00

100.00

90.00

14.14

−0.88

−1.39

Control Group

Pre writing 1

50.00

100.00

71.43

19.52

0.29

−1.45

Post writing 1

70.00

100.00

85.71

9.76

−0.28

0.04

Experimental Group

Pre writing 2

46.67

100.00

65.33

18.27

0.83

−0.42

Post writing 2

53.33

100.00

76.00

17.56

−0.41

−1.59

Control Group

Pre writing 2

33.33

100.00

77.14

21.03

−1.77

4.08

Post writing 2

66.67

100.00

85.72

10.49

−0.76

1.45

Experimental Group

Pre reciprocal speaking

46.67

100.00

66.00

18.71

0.58

−0.77

Post reciprocal speaking

53.33

100.00

77.33

20.17

−0.06

−1.88

Control Group

Pre reciprocal speaking

50.00

93.33

74.76

15.14

−0.44

−0.57

Post reciprocal speaking

73.33

100.00

84.28

10.31

0.43

−1.35

Experimental Group

Pre independent speaking

30.00

90.00

71.00

16.63

−1.83

4.21

Post independent speaking

70.00

150.00

93.50

22.86

1.77

4.33

Control Group

Pre independent speaking

60.00

90.00

80.00

10.00

−1.40

3.00

Post independent speaking

60.00

95.00

83.57

11.80

−1.55

2.57