Identifying Predictors for Code Highlight ighlightin ing Skills - - PowerPoint PPT Presentation

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Identifying Predictors for Code Highlight ighlightin ing Skills - - PowerPoint PPT Presentation

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Identifying Predictors for Code Highlight ighlightin ing Skills Matthias Kramer Mik ike Barkmin in Torsten Brinda University of Duisburg-Essen Computer Science Education Identify all method calls! University of Duisburg-Essen

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Identifying Predictors for Code Highlight ighlightin ing Skills

Matthias Kramer – Mik ike Barkmin in – Torsten Brinda University of Duisburg-Essen – Computer Science Education

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Identify all method calls!

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6 Method calls!

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What is needed to become a competent programmer?

Project Goal

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What are competencies?

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“context-specifjc cognitive dispositions that are acquired and needed to successfully cope with certain situations or tasks in specifjc domains”

Koeppen et al. 2008

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How can competencies be described?

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Structure Model

Koeppen et al. 2008

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Structure Model Level Model

1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5

Koeppen et al. 2008

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A competency structure model for object-oriented programming

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Data structure Object-Oriented Programming Algorithmic structure Mastering representation Class & object structure

Kramer et al. 2016

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Which infmuence do competencies in the dimensions class & object structure and mastering representation have on the ability to identify concept in a given source code?

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OOP Concepts Java Syntax Identify OOP in Java Snippets

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211

Schools

16

55% 20% 25% Students Ø 16.9 (SD = 1.95)

?

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19x 6x 35x

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R²=.38*** R²=.54*** R²=.56*** R²=.62***

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.30*** .38*** .24***

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Caution: Due to violation of normal distribution our results are only valid for the presented sample. (Please replicate!)

Students might understand OOP concepts and Syntax, but are struggling with interconnecting both areas and therefore could be unable to read and understand code

Implication

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  • Does “objects fjrst” or “objects later”

infmuence the outcome?

  • Can we replicate the results?
  • Can students transfer their skills to new

programming languages?

Next Steps

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Graphics

  • All emojis designed by OpenMoji – the open-source emoji and

icon project. License: CC BY-SA 4.0

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Literature

  • Karoline Koeppen, Johannes Hartig, Eckhard Klieme, and Detlev Leutner. 2008. Current issues in competence modeling and assessment. Zeitschrift

für Psychologie/Journal of Psychology 216, 2 (2008), 61–73.

  • Matthias Kramer, Mike Barkmin, Torsten Brinda, and David Tobinski. 2018. Automatic Assessment of Source Code Highlighting Tasks: Investigation
  • f Difgerent Means of Measurement. In Proceedings of the 18th Koli Calling International Conference on Computing Education Research (Koli

Calling ’18). ACM, New York, NY, USA, Article 8, 10 pages. https://doi.org/10.1145/3279720.3279729

  • Matthias Kramer, Peter Hubwieser, and Torsten Brinda. 2016. A Competency Structure Model of Object-Oriented Programming. In 2016

International Conference on Learning and Teaching in Computing and Engineering (LaTICE). 1–8. https://doi.org/10.1109/LaTiCE.2016.24

  • Jefgrey N. Rouder, Christopher R. Engelhardt, Simon McCabe, and Richard D. Morey. 2016. Model comparison in ANOVA. Psychonomic Bulletin &

Review 23, 6 (01 Dec 2016), 1779–1786. https://doi.org/10.3758/s13423-016-1026-5