F value p

4 - 6

5 - 6

4 - 5

Grade

alternative

frontal

alternative

frontal

alternative

frontal

Teaching Method

N = 67

N = 75

N = 82

N = 70

N = 78

N = 100

No. of students

450. S.I.

1.86

(16.96)

−8.07

(21.51)

3.53

(16.48)

−2.33

(16.82)

3.85

(17.48)

−4.98

(21.04)

Progress in solving exercises:

Observed average

1.48

−7.43

3.04

−2.07

3.55

−4.69

Adjusted average

73.85

(14.22)

73.68

(13.51)

68.72

(14.27)

73.35

(12.69)

68.56

(16.02)

74.08

(12.93)

Average: Beg. of year

75.71

(13.09)

65.61

(19.69)

72.23

(11.14)

71.02

(12.90)

72.41

(11.80)

69.10

(17.79)

Average: End of year

740. S.I.

7.85

(5.17)

2.16

(2.73)

7.96

(3.61)

4.81

(2.89)

6.19

(5.48)

3.07

(3.55)

Progress in solving word problems:

Observed average

5.84

5.53

5.36

6.21

4.57

4.55

Adjusted average

57.00

(7.52)

42.81

(7.93)

47.45

(6.25)

39.01

(7.03)

40.81

(8.42)

37.82

(6.01)

Average: Beg. of year

64.85

(5.73)

44.97

(7.74)

55.41

(6.44)

43.81

(7.30)

47.01

(8.81)

40.87

(7.61)

Average: End of year

16.7*

10.22

(3.83)

2.69

(2.01)

8.91

(3.52)

4.93

(2.04)

6.08

(4.08)

4.05

(2.06)

Progress on computer level: Observed average

8.95

4.82

7.27

5.81

5.05

4.98

Adjusted average

59.37

(0.90)

43.39

(1.93)

47.0

(0.85)

40.01

(0.91)

42.96

(1.42)

38.34

(0.52)

Average: Beg. of year

69.31

(0.50)

46.01

(2.53)

57.32

(1.21)

44.71

(1.33)

47.92

(2.92)

34.42

(0.51)

Average: End of year