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Valentina Dagiene , Vilnius University, Lithuania

Students’ Performance on Programming -Related Tasks in an Informatics Contest in Finland , Sweden and Lithuania. Valentina Dagiene , Vilnius University, Lithuania Linda Mannila, Åbo Akademi University, Finland Timo Poranen , University of Tampere, Finland

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Valentina Dagiene , Vilnius University, Lithuania

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  1. Students’ Performance on Programming-Related Tasks inan Informatics Contest in Finland, Sweden and Lithuania ValentinaDagiene, Vilnius University, Lithuania Linda Mannila, ÅboAkademiUniversity, Finland TimoPoranen, University of Tampere, Finland LennartRolandsson, Royal Institute of Technology, Sweden PärSöderhjelm, Lund University, Sweden

  2. International contest on IT and computing established in 2004 in Lithuania Main aim: promoting computing and digitalliteracyamong children and youth aged 8-18 In 2013 the contest had almost 750 000 participants from 30 countries

  3. Participation rates 2013

  4. Task categories • information comprehension • algorithmic thinking • computer system usage • structures, patterns and arrangements • puzzles and games • ICT and society

  5. Interactive tasks

  6. Multiple-choice

  7. The challenge? Bebrasinvolves several countries, cultures and languages Challenging to create unambiguousand clear tasks descriptions, which • mean exactly the same in all languages • are interpreted in precisely the same manner by all students • make it possible to conduct multi-institutional research

  8. Study in a nutshell Initial study on the Bebrascontest in threecountries How do students do on tasks relatedtoprogramming in Finland, Sweden and Lithuania • In general? • On specific tasks? Howwell do the tasks chosen for the contestcorrespondto the skill and knowledgelevelof the students in the different age groups?

  9. Thirdyear Firstyear 10th year

  10. Three countries, 11 tasks in common

  11. ~ 50/50 60/40 - 90/10

  12. General performance

  13. General performance

  14. General performance Total scores normalized to 100. An average score of 100 would mean that all students solved all tasks correctly.

  15. Task performanceimproveswith age Task score normalized to 100. An average score of 100 would mean that all students solved the task correctly.

  16. Students seemtothinkalike

  17. Students seemtothinkalike

  18. Conclusions and future work Despite different educational systems, students perform rather similarly on most tasks Guessing/picking an answer at random leads to differences in points – how can we decide who is guessing? Students think alike when picking the incorrect answer – how can we create more directed feedback to address this better?

  19. Research in a Bebras context Bebras is a gold mine for collecting interesting data For research purposes it is important that • the translation process is transparent, • current and updated versions of tasks are easily made available to all Bebrascountries, and • countries are open with which tasks they are using in their contests

  20. Thankyou! International Bebras website: bebras.org

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