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An evaluation of the effortless approach to build algorithm animations with WinHIPE
(Elsevier, 2007-07-04) Urquiza-Fuentes, Jaime; Velázquez-Iturbide, J. Ángel
The use of algorithm visualizations in computer science education is not a new thing. Although there is a firm belief that graphical representations of algorithms are learning aids, empirical studies show that what is important is what the students do with the animations rather than what they see in them. In this paper we compare to kinds of interaction: viewing animations vs constructing animations. We have conducted a controlled experiment where a group of students (n=15) had to study an algorithm and complete a knowledge test about it and a subjective opinion questionnaire. Students were randomly divided in constructing and viewing groups. Results have been measured by means of learning outcomes, efficiency issues and student's subjective opinion. Results significantly evidence that builders obtained better results than viewers.
A Survey of Successful Evaluations of Program Visualization and Algorithm Animation Systems
(ACM Press, 2009-06-02) Urquiza-Fuentes, Jaime; Velázquez-Iturbide, J. Ángel
This article reviews successful educational experiences in using program and algorithm visualizations (PAVs). First, we survey a total of 18 PAV systems that were subject to 33 evaluations. We found that half of the systems have only been tested for usability, them being shallow inspections. The rest have been evaluated with respect to their educational effectiveness. Script-based systems seem to be well suited for the viewing, responding and changing engagement levels, while compiler-based systems do for the construction and presenting engagement levels. Finally, we analyze additional PAV features of successful evaluations and hypothesize that they are relevant

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Examinando Artículos de Revista por Materia "1206.01 Construcción de Algoritmos"