Groups

Measurements

n

Arithmetic mean

Mean rank

Sd

c²

p^*

Significant difference^**

Practice Teachers

Pre-test

44

86.57

2.40

2

22.57

.001

1-3, 2-3

Sub-test

44

80.95

2.17

Post-test

44

65.14

1.43

Supervisors

Pre-test

44

79.82

2.50

2

19.17

.001

1-2, 1-3

Sub-test

44

70.34

1.92

Post-test

44

67.61

1.58