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The role of metacognitive skills in learning to solve problems

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<strong>in</strong> the model condition: Visualization handbook (T = 3.18, p < 0.01),<br />

Intervention handbook (T = 10.23, p < 0.01), KM handbook (T = 4.01, p<br />

< 0.01). Students <strong>in</strong> the model condition use more time for the Indica<strong>to</strong>r<br />

handbook than students <strong>in</strong> the no-model condition (T = -3.94, p < 0.01).<br />

Students <strong>in</strong> the no-model condition spend almost a quarter <strong>of</strong> their time<br />

on the support elements <strong>in</strong> KM Quest, whereas students <strong>in</strong> the model<br />

condition spend less than 10% <strong>of</strong> their time on these elements. F<strong>in</strong>ally,<br />

students <strong>in</strong> the no-model condition use the Visualizations for longer (T<br />

= 5.83, p < 0.01).<br />

As for the time spent <strong>in</strong> the phases <strong>of</strong> the KM model, students <strong>in</strong> the<br />

no-model condition do not use the phases FOCUS and MONITOR s<strong>in</strong>ce<br />

these are not available <strong>to</strong> them. Students <strong>in</strong> the model condition spend<br />

a lot <strong>of</strong> time <strong>in</strong> these phases, especially <strong>in</strong> FOCUS. <strong>The</strong> content <strong>of</strong> the<br />

ORGANISE phase is different <strong>in</strong> the two conditions. In the no-model<br />

condition it only conta<strong>in</strong>s the step Select <strong>in</strong>terventions. In the model<br />

condition, the step Decide on knowledge <strong>in</strong>frastructure is also available.<br />

It appears that students <strong>in</strong> the model condition use more time <strong>to</strong> go<br />

through both steps (T = -2.41, p < 0.05) than students <strong>in</strong> the no-model<br />

condition for the one step. Students use comparable amounts <strong>of</strong> time <strong>to</strong><br />

effectuate <strong>in</strong>terventions <strong>in</strong> the IMPLEMENT phase.<br />

In conclusion, these results reveal that students <strong>in</strong> the no-model condition<br />

possibly learn more efficiently because they do not have <strong>to</strong> go<br />

through the KM model. Students <strong>in</strong> the no-model condition use almost<br />

80% <strong>of</strong> their time (approximately 3 hours) <strong>to</strong> chat, <strong>to</strong> use the Intervention<br />

handbook, the Visualizations and <strong>to</strong> use the ORGANISE phase. Students<br />

<strong>in</strong> the model condition use almost 80% <strong>of</strong> their time (approximately 4.5<br />

hours) <strong>to</strong> go through all phases <strong>of</strong> the KM model and the chat (see also<br />

figure 6.6).<br />

Figure 6.6.<br />

Overview <strong>of</strong> majority <strong>of</strong> time spent on game elements per condition.

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