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Botbeans CISTI 2011
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    Botbeans CISTI 2011 Botbeans CISTI 2011 Presentation Transcript

    • Educational Graphical and Tangible Programming Platform using Rich Client Platform developmentSancho Oliveira Pedro M. Diassancho.oliveira@iscte.pt petermdias@gmail.com
    • Summary Motivation What it is? Strategy Visual Language Tangible interface Field tests Published work Questions
    • Motivation Traditionally programming is learned/taught with industrial tools.  Borland C++  Visual Studio  Eclipse  Others… Textual representation is a problem for beginners  Removing the language complexity from the learning process. ○ If, se, si, wenn, если, ? ○ Eyes don’t have language. Understanding the results – Tangible interface  Student needs to know how to read the results in order to grade them.  Botbeans shows the results. ○ Robot interacting with the real world. Starting point to object-oriented languages  Basic control structures.
    • What it is? Environment to teach and learn computer programming. Graphical representations for basic control structures.  Graphical display of memory.  Hybrid display for logic representation. Tangible interface  Collaboration catalyzer  Motivation
    • Strategy1. Complexity  Solution: ○ Visual language  Better understanding of the algorithm.1. Lack of motivation  Solution: ○ Tangible interface  Keep the student emerged and motivated.  Seed collaboration between students.2. Initial fear  Solution: ○ Rich Client Platform  IDE without any interface cluttering.  Avoid information overload.
    • Diagrammatic/node based  Positive  Obvious logic flow  Function representation  Negative  Textual data-types  Textual logic and mathematical expressions
    • Block based  Positive  Data types validation  Block enclosing  Negative  Logic flow not so obvious  Complexity grows quickly with the problem.
    • Hybrid solution Block-based  "In graphical block programming, users manipulate and connect puzzle-piece objects to build their programs.“  "allowing only complementary blocks to connect prevents users from making syntax errors“ ○ R.V. Roque, “OpenBlocks : an extendable framework for graphical block programming systems.” Node-based  "learning a programming language is easier if people who are visual learners by nature began by learning a data flow programming language“  "The concepts of CGs are easily matched to those found in textual programming languages“ ○ B. Smith, “Conceptual graphs as a visual programming language for teaching programming,” Visual Languages and Human- Centric Computing, 2009. VL/HCC 2009. IEEE Symposium on, 2009, pp. 258-259.
    • Graphical Interface
    • Expression builder On top off MIT OpenBlocks  Heavy customized. ○ Dynamic Blocks language definition. ○ Off-screen rendering. Used in Scratch and Google App Inventor
    • Tangible interface How to output in Botbeans?  Robot’s actions ○ Robot movement. ○ Robot small display. ○ Robot speaker. Input?  Sensors connected to robot. Understanding the results  Did the robot crash?  Did it turned left instead of right?  … Multiple points of interaction with the learning tool  Screen for visual programming  Robot for input, output and debug.
    • Tangible interface "the use of the tangible interface results in a more child- focused activity. In other words, children seem to be more actively involved and self-motivated“ "tangible interface is more inviting and provides better support for active collaboration“ "if for no other reason than the tangible interface consists of multiple input devices that can be manipulated independently, while the graphical condition consists of only a single input device."  M.S. Horn, E.T. Solovey, R.J. Crouser, e R.J.K. Jacob, “Comparing the use of tangible and graphical programming languages for informal science education,” Proceedings of the 27th international conference on Human factors in computing systems, New York, NY, USA: ACM, 2009, pp. 975–984.
    • Tangible InterfaceFCCT 2011 at IPT.pt
    • Field testsFCCT 2011 at IPT.pt
    • Field tests Do you think this experience has the potential to motivate / cativate students? 14 15 10 5 0 1 0 Low Average High Characterize your students participation in the experience 10 8 5 5 1 1 0 Insuficient Suficient Good Very GoodFCCT 2011 at IPT.pt
    • Published work Related work  A. Manso, C. Marques, P. Dias - Portugol IDE v3.x- A new environment to teach and learn computer programming – Published in IEEE Engineering Education 2010, Madrid, Spain , 14-16 April 2010.  A. Manso, P. Dias, C. Marques, Ensino e aprendizagem de algoritmia com a ferramenta Portugol IDE - Published in XI International Conference on Engineering and Technology Education - Ilhéus bahia, Brazil, 7-10 March 2010. Technical article  Simplified IDEs for Teaching Programming on the NetBeans Platform - http://netbeans.dzone.com/nb-simplified-ide-for-learning-to-program Presentations  Botbeans - OSDOC 2010 - http://www.slideshare.net/pedromadias/botbeans- osdoc2010  Portugol - Educon 2010 - http://www.slideshare.net/pedromadias/portugol- educon2010 http://www.dei.estt.ipt.pt/portugol/ http://www.botbeans.com (coming soon)