Investigating the Psychometric Structure of Bebras Contest: Towards Mesuring Computational Thinking Skills

The "Bebras" is an international large scale contest that aims to motivate children for engaging in Computer Science. In this paper we present an investigation of the psychometric factors that determine the success in this contest, e.g. Abilities in Computational Thinking or intelligence f...

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Published in:2015 International Conference on Learning and Teaching in Computing and Engineering pp. 62 - 69
Main Authors: Hubwieser, Peter, Muhling, Andreas
Format: Conference Proceeding
Language:English
Published: IEEE 01.04.2015
Subjects:
Algorithm design and analysis
Computer science
contest
Fitting
Joints
latent trait analysis
Mathematical model
Numerical models
psychometricconstruct
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Abstract The "Bebras" is an international large scale contest that aims to motivate children for engaging in Computer Science. In this paper we present an investigation of the psychometric factors that determine the success in this contest, e.g. Abilities in Computational Thinking or intelligence factors. For this purpose, we looked for subsets of Bebras questions that are requiring joint psychometric constructs, according to the responses of the test persons, applying latent trait analysis on all combinations of questions. After identifying suitable sets of questions, we tested the fit of the mono-parametric Rasch Model and evaluated the distribution of person parameters. Additionally, the identified sets of questions were analyzed by qualitative methods to find out the nature of these common psychometric constructs. As a test bed for feasibility studies, we have chosen the Bebras Contests of Germany 2009. We have found and analyzed several sets of questions that met our requirements, analyzed the questions, and identified differences in the performance of boys and girls in these sets.
AbstractList The "Bebras" is an international large scale contest that aims to motivate children for engaging in Computer Science. In this paper we present an investigation of the psychometric factors that determine the success in this contest, e.g. Abilities in Computational Thinking or intelligence factors. For this purpose, we looked for subsets of Bebras questions that are requiring joint psychometric constructs, according to the responses of the test persons, applying latent trait analysis on all combinations of questions. After identifying suitable sets of questions, we tested the fit of the mono-parametric Rasch Model and evaluated the distribution of person parameters. Additionally, the identified sets of questions were analyzed by qualitative methods to find out the nature of these common psychometric constructs. As a test bed for feasibility studies, we have chosen the Bebras Contests of Germany 2009. We have found and analyzed several sets of questions that met our requirements, analyzed the questions, and identified differences in the performance of boys and girls in these sets.
Author Muhling, Andreas
Hubwieser, Peter
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  givenname: Andreas
  surname: Muhling
  fullname: Muhling, Andreas
  email: Andreas.Muhling@tum.de
  organization: Dept. of Inf., Tech. Univ. Munchen, München, Germany
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Snippet The "Bebras" is an international large scale contest that aims to motivate children for engaging in Computer Science. In this paper we present an investigation...
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StartPage 62
SubjectTerms Algorithm design and analysis
Computer science
contest
Fitting
Joints
latent trait analysis
Mathematical model
Numerical models
psychometricconstruct
Title Investigating the Psychometric Structure of Bebras Contest: Towards Mesuring Computational Thinking Skills
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