Abstract
This study assessed the effect of cognitive tools on scaffolding students defining an ill-structured problem. Seventy-nine 10th-grade students used the Pollution Solution software to study an environmental problem. A quasi-experimental, mixed-method design was used. One class received the organization tool, a second class received the higher-order thinking tool, a third class received both tools, and a control group received neither tool. The organization tool group obtained a moderate understanding of the problem, which was significantly higher than the control group. Students who received the organization tool also asked significantly more problem-related questions than the other groups. The higher-order thinking tool prompted students to ask significantly more questions than the other groups. The combination tool group did not perform as well as expected. This study raised some questions about whether combining tools will add the effects of these individual tools.
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