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Promoting Student Competencies in Informatics Education by Combining Semantic Waves and Algorithmic Thinking
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Ritter, Frauke; Standl, Bernhard – Informatics in Education, 2023
We live in a digital age, not least accelerated by the COVID-19 pandemic. It is all the more important in our society that students learn and master the key competence of algorithmic thinking to understand the informatics concepts behind every digital phenomena and thus is able to actively shape the future. For this to be successful, concepts must…
Descriptors: Algorithms, Information Science Education, Computer Science Education, COVID-19
Lessons Learned from Teaching Scratch as an Introduction to Object-Oriented Programming in Delphi
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van Zyl, Sukie; Mentz, Elsa; Havenga, Marietjie – African Journal of Research in Mathematics, Science and Technology Education, 2016
As part of curriculum changes in South Africa, an introductory programming language, Scratch, must first be taught before switching to the well-established teaching of Delphi. The nature of programming in Scratch is considerably different from that in Delphi. It was assumed that the teaching of Scratch as introductory programming language could…
Descriptors: Foreign Countries, Programming Languages, Teaching Methods, Guidelines
Situating Programming Abstractions in a Constructionist Video Game
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Weintrop, David; Wilensky, Uri – Informatics in Education, 2014
Research on the effectiveness of introductory programming environments often relies on post-test measures and attitudinal surveys to support its claims; but such instruments lack the ability to identify any explanatory mechanisms that can account for the results. This paper reports on a study designed to address this issue. Using Noss and Hoyles'…
Descriptors: Programming, Programming Languages, Introductory Courses, Constructivism (Learning)
Difficulties in Learning Inheritance and Polymorphism
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Liberman, Neomi; Beeri, Catriel; Kolikant, Yifat Ben-David – ACM Transactions on Computing Education, 2011
This article reports on difficulties related to the concepts of inheritance and polymorphism, expressed by a group of 22 in-service CS teachers with an experience with the procedural paradigm, as they coped with a course on OOP. Our findings are based on the analysis of tests, questionnaires that the teachers completed in the course, as well as on…
Descriptors: Programming, Teaching Methods, Computer Science Education, Questionnaires
The Slippery Road from Actions on Objects to Functions and Variables
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Paz, Tamar; Leron, Uri – Journal for Research in Mathematics Education, 2009
Functions are all around us, disguised as actions on concrete objects. Composition of functions, too, is all around us, because these actions can be performed in succession, the output of one serving as the input for the next. In terms of Gray and Tall's (2001) "embodied objects" or Lakoff and Nunez's (2000) "mathematical idea…
Descriptors: Concept Formation, Mathematics Instruction, Mathematical Concepts, Algebra
Conceptualization and Labelling as Cognitive Challenges for Students of Data Modelling
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Holmboe, Christian – Computer Science Education, 2005
Constructing a data model for a problem area requires identifying and formulating some symbolic representation of the concepts involved, their characteristics, and the relationships between them. Taking a socio-cultural perspective on learning, analysis of classroom dialog is used to identify cognitive challenges met by novice students of data…
Descriptors: Concept Formation, Concept Teaching, Psycholinguistics, Metalinguistics