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Frank A. J. Leenaars Wouter R. van Joolingen Hannie Gijlers Lars Bollen 《Educational technology research and development : ETR & D》2014,62(5):555-570
GearSketch is a learning environment for the gears domain, aimed at students in the final years of primary school. It is designed for use with a touchscreen device and is based on ideas from drawing-based learning and research on cognitive tutors. At the heart of GearSketch is a domain model that is used to transform learners’ strokes into gears and chains, animate the turning of the gears and check whether learners’ solutions to practice problems satisfy the given constraints. Additionally, this domain model is the basis for GearSketch’s learner model and item generation an selection mechanisms. The learner model is used to track learners’ knowledge and adaptively select items as they progress through the practice problems. Two experimental evaluation studies show that GearSketch’s interface and animations lead to improved learning outcomes, but that its adaptive features do not significantly affect posttest results. 相似文献
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Dmoshinskaia Natasha Gijlers Hannie de Jong Ton 《Journal of Science Education and Technology》2021,30(3):420-430
Journal of Science Education and Technology - Giving and receiving peer feedback is seen as an important vehicle for deep learning. Defining assessment criteria is a first step in giving feedback... 相似文献
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Learning Environments Research - Giving feedback to peers can be a powerful learning tool because of the feedback provider’s active cognitive involvement with the products to be reviewed. The... 相似文献
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Siswa A. N. van Riesen Hannie Gijlers Anjo Anjewierden Ton de Jong 《International Journal of Science Education》2018,40(11):1327-1344
Designing and conducting sound and informative experiments is an important aspect of inquiry learning. Students, however, often design experiments that do not allow them to reach conclusions. Considering the difficulties students experience with the process of designing experiments, additional guidance in the form of an Experiment Design Tool (EDT) was developed, together with reflection questions. In this study, 147 pre-university students worked in an online inquiry learning environment on buoyancy and Archimedes’ principle. Students were randomly assigned to one of three conditions, each of which contained a different version of the EDT. Since students’ prior knowledge has been found to influence the amount and type of guidance they need, the versions of the tool differed with respect to the level of guidance provided. A pre- and post-test were administered to assess students’ conceptual knowledge. No overall differences between conditions were found. In a subsequent analysis, students were classified as either low, low-intermediate-, high-intermediate, or high prior knowledge students. For Archimedes’ principle we found that low-intermediate prior knowledge students gained significantly more conceptual knowledge than low prior knowledge students in the fully guided condition. It is hypothesised that students need at least some prior knowledge in order to fully benefit from the guidance offered. 相似文献
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Siswa van Riesen Hannie Gijlers Anjo Anjewierden Ton de Jong 《Educational technology research and development : ETR & D》2018,66(2):475-491
Inquiry learning is an educational approach in which learners actively construct knowledge and in which performing investigations and conducting experiments is central. To support learners in designing informative experiments we created a scaffold, the Experiment Design Tool (EDT), that provided learners with a step-by-step structure to select variables and to assign values to these variables, together with offering built-in heuristics for experiment design. To further structure the students’ approach, the EDT was offered within a set of detailed research questions which again were grouped under a set of broader research questions. Learning results for learners who worked with the EDT were compared to results for learners in two control conditions. In the first control condition, learners received only the detailed research questions and not the EDT; in the second control condition, learners received only the limited set of general research questions. In all conditions, learners conducted their experiments in an online learning environment about the physics topic of Archimedes’ principle. Conceptual knowledge was measured before and after the intervention using parallel forms of a knowledge test. Overall results showed significant learning gains in all three conditions, but no significant differences between conditions. However, learners who started with low prior knowledge showed a significantly higher learning gain in the EDT condition than in the two control conditions. This result indicates that the effect of providing learners with scaffolds does not follow a “one-size-fits-all” principle, but may depend on specific learner characteristics, such as prior knowledge. 相似文献
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This study investigates the effect of a shared concept-mapping task on high school students' learning about kinematics in a collaborative simulation-based inquiry setting. Pairs of students were randomly assigned to a concept-mapping condition (12 pairs) or a control condition (13 pairs). Students in the concept-mapping condition had a computer-supported collaborative concept-mapping tool that aimed to integrate concepts and propositions. Students in the control condition used the same learning environment without the concept-mapping tool. Students' interactions with each other and with the simulation were tracked by log files. Learning was assessed with tests of intuitive and structural knowledge and a proposition test. Students in the concept-mapping condition exchanged significantly more chat messages related to experimentation, interpretation, and drawing conclusions and were more engaged in integration-oriented consensus building, which regression analysis showed to be positively related to learning gains for both intuitive and structural knowledge. Students in the concept-mapping condition outperformed their peers on the intuitive and structural knowledge tests. These results suggest that concept maps can positively influence consensus-building activities and learning in a collaborative inquiry-learning setting. The findings of the current study thereby contribute to the ongoing debate about (shared) graphical representations as scaffolds for collaborative learning. 相似文献
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The aim of the study was to investigate the effects of support on knowledge acquisition of gifted learners and their flow and mood during inquiry learning. Sixty-four gifted primary school children were randomly assigned to one of three conditions differing in support given in an inquiry task. Results showed that learners who were allowed to experiment themselves learned more, experienced more flow, and felt more positive toward the task than those who were not given this opportunity, but only when they were guided through the inquiry cycle by prompts to generate hypotheses, perform experiments, and draw conclusions. The overall conclusion is that gifted children benefit more from open, complex tasks when their learning process is externally regulated. 相似文献
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