Alfredo Sandes

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Programming can be a challenging activity for young children. While there are numerous programming environments for children, relatively few of these environments take advantage of tangible interfaces. Research suggests that using tangible tools, such as physical blocks, can engage students to explore introductory programming concepts more easily than(More)
1. Methodology: Cluster-based feature selection a. Kernel K-means clustering of snapshots with Gaussian Kernels. Dissimilarity Matrix based on Euclidian Distance. Silhouette value. b. Each snapshot assigned to corresponding cluster  New feature set per student: number of different clusters visited, and of all cluster changes; a measure of the variance of(More)
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