Experiments with algorithm visualization tool development

Orsega, Michael C.; Zanden, Bradley T. Vander; Skinner, Christopher H.

doi:10.1145/2157136.2157296

Cited by 7 publications

(2 citation statements)

References 9 publications

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“…Mainstream researchers suggest that the difficulties in teaching concepts in programming can be overcome with better tools. Some tools graphically visualize code (Guo, 2013;Orsega, Zanden, & Skinner, 2012) to simplify the way students understand programming and inspire their interests. Other tools focus on good scenario design, or set up efficient tasks that encompass all the major concepts (Wolz et al, 2009;Gallant & Mahmoud, 2008).…”

Section: Related Workmentioning

confidence: 99%

Natural Shell

Xiao

Jiang

et al. 2016

International Journal of People-Oriented Programming

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Scripting is a widely-used way to automate the execution of tasks. Despite the popularity of scripting, it remains difficult to use for both beginners and experts: because of the cryptic commands for the first group, and incompatible syntaxes across different systems, for the latter group. The authors introduce Natural Shell, an assistant for enabling end-users to generate commands and scripts for various purposes. Natural Shell automatically synthesizes scripts for different shell systems based on natural language descriptions. By interacting with Natural Shell, new users can learn the basics of scripting languages without the obstacles from the incomprehensible syntaxes. On the other hand, the authors' tool frees more advanced users from manuals when they switch shell systems. The authors have developed a prototype system and demonstrate its effectiveness with a benchmark of 50 examples of popular shell commands collected from online forums. In addition, the authors analyzed the usage of Natural Shell in a lab study that involves 10 participants with different scripting skill levels. Natural Shell effectively assists the users to generate commands in assigned syntaxes and greatly streamlines their learning and using experience.

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Section: Related Workmentioning

confidence: 99%

Natural Shell

Xiao

Jiang

et al. 2016

International Journal of People-Oriented Programming

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“…process (program execution). Instructors typically illustrate program execution using graphical PowerPoint lecture slides, which require a great deal of preparation effort, or by drawing diagrams on a whiteboard, which is tedious and errorprone [11]. In the past few decades, many program visualization tools have been created to assist instructors in this task.…”

Section: Introductionmentioning

confidence: 99%

Online python tutor

Guo

2013

Proceeding of the 44th ACM Technical Symposium on Computer Science Education

309

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This paper presents Online Python Tutor, a web-based program visualization tool for Python, which is becoming a popular language for teaching introductory CS courses. Using this tool, teachers and students can write Python programs directly in the web browser (without installing any plugins), step forwards and backwards through execution to view the run-time state of data structures, and share their program visualizations on the web.In the past three years, over 200,000 people have used Online Python Tutor to visualize their programs. In addition, instructors in a dozen universities such as UC Berkeley, MIT, the University of Washington, and the University of Waterloo have used it in their CS1 courses. Finally, Online Python Tutor visualizations have been embedded within three webbased digital Python textbook projects, which collectively attract around 16,000 viewers per month and are being used in at least 25 universities. Online Python Tutor is free and open source software, available at pythontutor.com.

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Concept-Driven Generation of Intuitive Explanations of Program Execution for a Visual Tutor

Azadmanesh

Hauswirth

2017

2017 IEEE Working Conference on Software Visualization (VISSOFT)

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Experiments with algorithm visualization tool development

Cited by 7 publications

References 9 publications

Natural Shell

Natural Shell

Online python tutor

Concept-Driven Generation of Intuitive Explanations of Program Execution for a Visual Tutor

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