Effect of the VAN Hiele Instructional Model on Students’ Achievement in Geometry

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left">Testitem</td><td class="align_center">Number of students withcorrect answers (<i>N</i>)</td><td class="align_center">Percentage (%)</td><td class="align_center">Number of wrong answers (<i>N</i>)</td><td class="align_center" colspan="2">Percentage (%)</td><td class="align_center">Total (<i>N</i>)</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">1 (c)</td><td class="align_center">20</td><td class="align_center">50.0</td><td class="align_center">20</td><td class="align_center">50.0</td><td class="align_center" colspan="2">40</td></tr><tr><td class="align_left">2 (c)</td><td class="align_center">28</td><td class="align_center">70.0</td><td class="align_center">12</td><td class="align_center">30.0</td><td class="align_center" colspan="2">40</td></tr><tr><td class="align_left">3 (c)</td><td class="align_center">21</td><td class="align_center">52.5</td><td class="align_center">19</td><td class="align_center">47.5</td><td class="align_center" colspan="2">40</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>Source: Field Data (2019).<br/></div></td></tr></table>

<div>Item analysis of Level 2 for the experimental group.</div>

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Table 9

Table 9: Effect of the VAN Hiele Instructional Model on Students’ Achievement in Geometry 