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IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC)

作者： Lin, Yuhan Weintrop, David Selkowitz, Audra McKenna, Jason Univ Maryland Dept Teaching & Learning Policy & Leadership College Pk MD 20742 USA VEX Robot Greenville TX USA

ISBN: (纸本)9798350329469

This paper introduces VEX 123, a robot that can be programmed via four distinct methods designed to support users at all levels of programming ability, ranging from young users who cannot yet read to professional programmers. The VEX 123 can be programmed by: (1) directly pressing buttons on its exterior;(2) using a tangible programming approach based on a physical Coder and Coder Cards;(3) defining instructions with a block-based programming language;and (4) using the Python programming language. In providing a range of programming approaches, the VEX 123 can meet the user at their current level of ability and comfort while also providing mechanisms to help them move from basic to more sophisticated and powerful programming approaches. In supporting four distinct programing approaches that span physical and virtual contexts, the VEX 123 contributes a novel addition to the growing ecosystem of tools designed to introduce novices to the practice of programming.

关键词： design of programming environments Educational Robotics Block-Based programming

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VEX CTE: design an Educational Industrial Robotic Arm

VEX CTE: Design an Educational Industrial Robotic Arm

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IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC)

作者： Lin, Yuhan McKenna, Jason McKnight, Paul VEX Robot Greenville TX 75402 USA Vex Robot Warrington Cheshire England

ISBN: (纸本)9798350376920;9798350366136

This paper introduces VEX CTE, an educational industrial-like six-axis robotic arm that can be controlled and programmed through four distinct methods, catering to users of all programming abilities, from novice students who have never experienced an industrial robotic arm to advance programmers. VEX CTE can be programmed by: (1) Direct manipulation with a virtual teach pendant;(2) Direct connection programming using block-based programming, C++, or Python. (3) programming as a system with the VEX EXP Brain using blockbased programming, C++, or Python. By offering a range of programming approaches, VEX CTE accommodates users at their current skill levels, while providing mechanisms to advance from basic to more sophisticated and powerful programming techniques, as well as from simple to more complex robotic arm setups. Supporting four distinct programming approaches, which span from single arm to multisystem configurations including conveyor belts, VEX CTE is a novel addition to the ecosystem of tools designed to introduce novices to career and technical education practices.

关键词： Educational Robotics design of programming environments Block-Based programming Six-Axis Robotic Arm

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The landscape of Block-based programming: Characteristics of block-based environments and how they support the transition to text-based programming

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JOURNAL OF COMPUTER LANGUAGES 2021年 67卷

作者： Lin, Yuhan Weintrop, David Univ Maryland College Pk MD 20742 USA

Block-based programming (BBP) environments have become increasingly commonplace computer science education. Despite a rapidly expanding ecosystem of BBP environments, text-based languages remain the dominant programming paradigm, motivating the transition from BBP to text-based programming (TBP). Support students in transitioning from BBP to TBP is an important and open design question. This work identifies 101 unique BBP environments, analyzes the 46 of them and identifies different design approaches used to support the transition to TBP. The contribution of this work is to provide a snapshot of the current state of BBP environments and how they support learners in transitioning to TBP.

关键词： Computer science education Block-based programming design of programming environments

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