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Arcavi, Abraham – 1999
As biological and socio-cultural beings, humans are encouraged and aspire to "see" not only what comes "within sight," but also what is not possible to see. Visualization is described as offering a method of seeing the unseen. These ideas are organized into sections that focus on seeing the unseen in data, seeing the unseen in…
Descriptors: Cognitive Structures, Elementary Secondary Education, Foreign Countries, Higher Education
Haberman, Bruria – Computer Science Education, 2004
Recursion is a central concept in computer science, yet it is difficult for beginners to comprehend. Israeli high-school students learn recursion in the framework of a special modular program in computer science (Gal-Ezer & Harel, 1999). Some of them are introduced to the concept of recursion in two different paradigms: the procedural…
Descriptors: Foreign Countries, Models, Knowledge Representation, Logical Thinking