Justification

Graphic properties*

Numerical properties*

Both size and quantity*

No

Answer*

Number who gave correct justification

Pre-service teachers

N

2

52

7

10

0

N = 71

%

2.8

73.2

9.9

14.1

0

Preschool teachers

N

18

41

4

86

0

N = 149

%

12.1

27.5

2.7

57.7

0