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Identification and Addressing Reduction-Related Misconceptions
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Gal-Ezer, Judith; Trakhtenbrot, Mark – Computer Science Education, 2016
Reduction is one of the key techniques used for problem-solving in computer science. In particular, in the theory of computation and complexity (TCC), mapping and polynomial reductions are used for analysis of decidability and computational complexity of problems, including the core concept of NP-completeness. Reduction is a highly abstract…
Descriptors: Computer Science Education, Problem Solving, Computation, Difficulty Level
Effects of Planning on Task Load, Knowledge, and Tool Preference: A Comparison of Two Tools
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Bonestroo, Wilco J.; de Jong, Ton – Interactive Learning Environments, 2012
Self-regulated learners are expected to plan their own learning. Because planning is a complex task, it is not self-evident that all learners can perform this task successfully. In this study, we examined the effects of two planning support tools on the quality of created plans, planning behavior, task load, and acquired knowledge. Sixty-five…
Descriptors: Foreign Countries, Educational Technology, Preferences, Planning
Predictive Validity of Measures of the Pathfinder Scaling Algorithm on Programming Performance: Alternative Assessment Strategy for Programming Education
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Lau, Wilfred W. F.; Yuen, Allan H. K. – Journal of Educational Computing Research, 2009
Recent years have seen a shift in focus from assessment of learning to assessment for learning and the emergence of alternative assessment methods. However, the reliability and validity of these methods as assessment tools are still questionable. In this article, we investigated the predictive validity of measures of the Pathfinder Scaling…
Descriptors: Concept Mapping, Student Evaluation, Alternative Assessment, Scaling
Self-Regulated Learning in Technology Enhanced Learning Environments: An Investigation with University Students
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Lenne, Dominique; Abel, Marie-Helene; Trigano, Philippe; Leblanc, Adeline – Technology, Pedagogy and Education, 2008
In Technology Enhanced Learning Environments, self-regulated learning (SRL) partly relies on the features of the technological tools. The authors present two environments they designed in order to facilitate SRL: the first one (e-Dalgo) is a website dedicated to the learning of algorithms and computer programming. It is structured as a classical…
Descriptors: Electronic Learning, Educational Technology, Computer Assisted Instruction, Technology Integration
Assessing Knowledge Change in Computer Science
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Nash, Jane Gradwohl; Bravaco, Ralph J.; Simonson, Shai – Computer Science Education, 2006
The purpose of this study was to assess structural knowledge change across a two-week workshop designed to provide high-school teachers with training in Java and Object Oriented Programming. Both before and after the workshop, teachers assigned relatedness ratings to pairs of key concepts regarding Java and Object Oriented Programming. Their…
Descriptors: Concept Mapping, Cognitive Structures, Workshops, Programming
A New Assessment for Computer-Based Concept Mapping
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Chang, Kuo-En; Sung, Yao-Ting; Chang, Rey-Bin; Lin, Shui-Cheng – Educational Technology & Society, 2005
Concept maps are widely used in education, and have been acclaimed for their excellent results. For efficiently using concept maps in education, computer-based concept mapping systems have been developed. However these computer-based concept mapping systems are limited in their assessment algorithms. The assessment takes only concept nodes as the…
Descriptors: Concept Mapping, Program Effectiveness, Evaluation Methods, Evaluation Research