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Education Research International
/
2021
/
Article
/
Tab 8
/
Research Article
Effect of the VAN Hiele Instructional Model on Students’ Achievement in Geometry
Table 8
Item analysis of level 1for the experimental group.
Testitem
Number of students withcorrect answers (
N
)
Percentage (%)
Number of studentswith wrong answers (
N
)
Percentage (%)
Total (
N
)
1 (b)
30
75.0
10
25.0
40
2 (b)
29
72.5
11
27.5
40
3 (b)
24
60.0
16
40.0
40
Source: Field Data (2019).