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Visual Analysis of a Moodle-based Software Engineering Course Francisco J. García (fgarcia@usal.es) Miguel Á. Conde (mconde@usal.es) Sergio Bravo (ser@usal.es)  Diego A. Gómez (dialgoag@usal.es) Roberto Therón (theron@usal.es)  University of Salamanca – GRIAL Research Group Methods and Cases in Computing Education (MCCE-2011) Ciudad Real, June 16th, 2011 Held at SPDECE-2011. Multidisciplinary symposium on the design and evaluation of digital content for education - Ciudad Real, June 15th -17th, 2011
Outline Introduction The Problem Visual analytics Case study results  Conclusions GRIAL – Universidad de Salamanca
Introduction (I) GRIAL – Universidad de Salamanca GRIAL – Universidad de Salamanca
Thisevolutioninvolves new tools and necesities LMS as a mean to support and makeevolvesubjects 100% of the universitieshave a LMS 79,5% of the bigcompanies use theselearningtools LMS don’tprovide the expectedbenefits LMS as spaces to publishcourses Orientedto a specificperiod of time Focusedonthecourse and institution Problemstoexploitinformation of learneractivity GRIAL – Universidad de Salamanca Introduction (II)
Introduction (and III) LMS must evolve and be complemented with other tools  To define what tools are better, learner information activity must be explored Interaction with the LMS Participation in different activities Interaction with other learners and teachers Interest of the learners Visual analytics tools as a way to do this GRIAL – Universidad de Salamanca
Outline Introduction The Problem Visual analytics Case study results  Conclusions GRIAL – Universidad de Salamanca
TheProblem (I) How to analyse information about what learner does How to know what are her worries and doubts about the subject? What are main important periods of activity? How are participating learners in activities and how to take it into account? What are main important issues of each subject area? And what are those understood worse? Is it working a specific tool to improve the subject? GRIAL – Universidad de Salamanca
TheProblem (II) To analyse this GRIAL – Universidad de Salamanca
TheProblem (III) GRIAL – Universidad de Salamanca
TheProblem (IV) Extract information There are several ways to extract information about a LMS Direct access to database Functions definition to obtain information (hacking the system) Standard ways to obtain information (i.e.: Web Services) Exploit information Data mining Semantic analysis Visual analytics GRIAL – Universidad de Salamanca
TheProblem (V) Software EngineeringSubject Tries to explain a set of principles that are regularly and systematically applied to the development of viable software General Concepts 60 hours (45 theoretical hours and 15 lab hours) Focuson Lifecycle and process requirement elicitation and documentation Analysis and design methods and notation Modularity, software architecture, and software reuse principles Practical part  Small project and 10 hours of workshops to solve different model problems GRIAL – Universidad de Salamanca
TheProblem (VI) Software Engineering Subject Technological features Institutional LMS of the University of Salamanca (Studium) GRIAL – Universidad de Salamanca
TheProblem (and VII) Software Engineering Subject 88100 log entries in two academic years It is needed to know Platformactivitylevelduringtheacademicyear At what time learners are conectedtotheplatform Activity in theforums Takeintoacountlearnersparticipationduringevaluationprocesses … GRIAL – Universidad de Salamanca
Outline Introduction The Problem Visual analytics Case study results  Conclusions GRIAL – Universidad de Salamanca
Visual analytics (I) Visual analytics Emerging area for supporting analytical reasoning by interactive visual interfaces More that only visualization Visualization, Human Factors and Data Analysis  It allows users to detect expected events and also help them to discover the unexpected Surprising anomalies, changes, patterns, relationships … GRIAL – Universidad de Salamanca
Visual analytics (II) GRIAL – Universidad de Salamanca Tools to analyse information Semantic Spiral Timeline Considers time dimension Representing the overall use of the LMS From a global to a specific perspective Course, time, person, activity Patterns of activity
Visual analytics (III) GRIAL – Universidad de Salamanca Tools to analyse information Temporal tag-cloud Most popular tags in alphabetical order, and visually weighted by font size  Perceiving importance of data Evolution of each tag during the time It can be used at different levels Other functionalities Exclusion of words Synonyms Exportation of forbidden words
Visual analytics (and IV) GRIAL – Universidad de Salamanca Tools to analyse information Social Network Graph Massive graph structures of social connectivity Represents relationships, links and and frequency of activities of students and teachers Icon size depends on the quantity of activity users perform Allows exploring participation in the learning system
Outline Introduction The problem The Solution Case study results  Conclusions GRIAL – Universidad de Salamanca
Case StudyResults (I) GRIAL – Universidad de Salamanca Case study Academic year 2008-2009 and 2009-2010 88100 log entries 160 students average Four possible sceneries Monitoring the activity on the platform Tag-cloud application over subject information Monitoring a specific theme, forum, discussion or course Tracking learners’ participation in the subject
Case StudyResults (II) GRIAL – Universidad de Salamanca Case study Monitoringtheactivity of theplatform SST to check the months greater activity (October, November) Incorporation of support staff during this time New tools to provide help to users Tagcloudapplicationovercourseinformation 51 forums, 114 discussion threads, 172 posts, 26979 forum accesses 2907/9332 different words Uses of forum  Informative use (News, Notice, Defence, Summons, Review, Time) Modelling discussions (Discussion, Entity, Relation, Base, Data, Diagram, Attribute, Model, SET) Questionsolving (USAL, week, problems, practices, doubt, form, Web, Office, Delivery Solution)
Case StudyResults(and  III) Case study Monitoring a specific theme, forum, discussion or course Most relevant words When are used What kind of action (create, read, update) Most relevant forums and threads by using semantic zoom Tracking learners’ participation in the subject SNG What users are participating more What discussions are more relevant GRIAL – Universidad de Salamanca
Outline Introduction The problem The Solution Case study results  Conclusions GRIAL – Universidad de Salamanca
Conclusions Technology can improve learning processes but is necessary to know what to include and when to do it Visual analytics will provide this information  In this way decision taking is easier What tools to use When to include more staff Which issues requires more time or extensive description Take into account user participation in her evaluation Improve the way in which we teach and learn GRIAL – Universidad de Salamanca
GRIAL contact ,[object Object]
http://www.facebook.com/grialusal
http://twitter.com/grial_usalhttp://grial.usal.es

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Visual Analysis of a Moodle-based Software Engineering Course

  • 1. Visual Analysis of a Moodle-based Software Engineering Course Francisco J. García (fgarcia@usal.es) Miguel Á. Conde (mconde@usal.es) Sergio Bravo (ser@usal.es) Diego A. Gómez (dialgoag@usal.es) Roberto Therón (theron@usal.es) University of Salamanca – GRIAL Research Group Methods and Cases in Computing Education (MCCE-2011) Ciudad Real, June 16th, 2011 Held at SPDECE-2011. Multidisciplinary symposium on the design and evaluation of digital content for education - Ciudad Real, June 15th -17th, 2011
  • 2. Outline Introduction The Problem Visual analytics Case study results Conclusions GRIAL – Universidad de Salamanca
  • 3. Introduction (I) GRIAL – Universidad de Salamanca GRIAL – Universidad de Salamanca
  • 4. Thisevolutioninvolves new tools and necesities LMS as a mean to support and makeevolvesubjects 100% of the universitieshave a LMS 79,5% of the bigcompanies use theselearningtools LMS don’tprovide the expectedbenefits LMS as spaces to publishcourses Orientedto a specificperiod of time Focusedonthecourse and institution Problemstoexploitinformation of learneractivity GRIAL – Universidad de Salamanca Introduction (II)
  • 5. Introduction (and III) LMS must evolve and be complemented with other tools To define what tools are better, learner information activity must be explored Interaction with the LMS Participation in different activities Interaction with other learners and teachers Interest of the learners Visual analytics tools as a way to do this GRIAL – Universidad de Salamanca
  • 6. Outline Introduction The Problem Visual analytics Case study results Conclusions GRIAL – Universidad de Salamanca
  • 7. TheProblem (I) How to analyse information about what learner does How to know what are her worries and doubts about the subject? What are main important periods of activity? How are participating learners in activities and how to take it into account? What are main important issues of each subject area? And what are those understood worse? Is it working a specific tool to improve the subject? GRIAL – Universidad de Salamanca
  • 8. TheProblem (II) To analyse this GRIAL – Universidad de Salamanca
  • 9. TheProblem (III) GRIAL – Universidad de Salamanca
  • 10. TheProblem (IV) Extract information There are several ways to extract information about a LMS Direct access to database Functions definition to obtain information (hacking the system) Standard ways to obtain information (i.e.: Web Services) Exploit information Data mining Semantic analysis Visual analytics GRIAL – Universidad de Salamanca
  • 11. TheProblem (V) Software EngineeringSubject Tries to explain a set of principles that are regularly and systematically applied to the development of viable software General Concepts 60 hours (45 theoretical hours and 15 lab hours) Focuson Lifecycle and process requirement elicitation and documentation Analysis and design methods and notation Modularity, software architecture, and software reuse principles Practical part Small project and 10 hours of workshops to solve different model problems GRIAL – Universidad de Salamanca
  • 12. TheProblem (VI) Software Engineering Subject Technological features Institutional LMS of the University of Salamanca (Studium) GRIAL – Universidad de Salamanca
  • 13. TheProblem (and VII) Software Engineering Subject 88100 log entries in two academic years It is needed to know Platformactivitylevelduringtheacademicyear At what time learners are conectedtotheplatform Activity in theforums Takeintoacountlearnersparticipationduringevaluationprocesses … GRIAL – Universidad de Salamanca
  • 14. Outline Introduction The Problem Visual analytics Case study results Conclusions GRIAL – Universidad de Salamanca
  • 15. Visual analytics (I) Visual analytics Emerging area for supporting analytical reasoning by interactive visual interfaces More that only visualization Visualization, Human Factors and Data Analysis It allows users to detect expected events and also help them to discover the unexpected Surprising anomalies, changes, patterns, relationships … GRIAL – Universidad de Salamanca
  • 16. Visual analytics (II) GRIAL – Universidad de Salamanca Tools to analyse information Semantic Spiral Timeline Considers time dimension Representing the overall use of the LMS From a global to a specific perspective Course, time, person, activity Patterns of activity
  • 17. Visual analytics (III) GRIAL – Universidad de Salamanca Tools to analyse information Temporal tag-cloud Most popular tags in alphabetical order, and visually weighted by font size Perceiving importance of data Evolution of each tag during the time It can be used at different levels Other functionalities Exclusion of words Synonyms Exportation of forbidden words
  • 18. Visual analytics (and IV) GRIAL – Universidad de Salamanca Tools to analyse information Social Network Graph Massive graph structures of social connectivity Represents relationships, links and and frequency of activities of students and teachers Icon size depends on the quantity of activity users perform Allows exploring participation in the learning system
  • 19. Outline Introduction The problem The Solution Case study results Conclusions GRIAL – Universidad de Salamanca
  • 20. Case StudyResults (I) GRIAL – Universidad de Salamanca Case study Academic year 2008-2009 and 2009-2010 88100 log entries 160 students average Four possible sceneries Monitoring the activity on the platform Tag-cloud application over subject information Monitoring a specific theme, forum, discussion or course Tracking learners’ participation in the subject
  • 21. Case StudyResults (II) GRIAL – Universidad de Salamanca Case study Monitoringtheactivity of theplatform SST to check the months greater activity (October, November) Incorporation of support staff during this time New tools to provide help to users Tagcloudapplicationovercourseinformation 51 forums, 114 discussion threads, 172 posts, 26979 forum accesses 2907/9332 different words Uses of forum Informative use (News, Notice, Defence, Summons, Review, Time) Modelling discussions (Discussion, Entity, Relation, Base, Data, Diagram, Attribute, Model, SET) Questionsolving (USAL, week, problems, practices, doubt, form, Web, Office, Delivery Solution)
  • 22. Case StudyResults(and III) Case study Monitoring a specific theme, forum, discussion or course Most relevant words When are used What kind of action (create, read, update) Most relevant forums and threads by using semantic zoom Tracking learners’ participation in the subject SNG What users are participating more What discussions are more relevant GRIAL – Universidad de Salamanca
  • 23. Outline Introduction The problem The Solution Case study results Conclusions GRIAL – Universidad de Salamanca
  • 24. Conclusions Technology can improve learning processes but is necessary to know what to include and when to do it Visual analytics will provide this information In this way decision taking is easier What tools to use When to include more staff Which issues requires more time or extensive description Take into account user participation in her evaluation Improve the way in which we teach and learn GRIAL – Universidad de Salamanca
  • 25.
  • 28. Acknowledgments ThisworkispartiallysupportedbytheMinistry of Industry, Tourism and Trade of Spain (projectIST-020302-2009-35), theMinistry of Education and Scienceof Spain (project TIN2010-21 695-C02) and theDepartmentof Educationof Junta de Castilla y León throughtheprojectGR47 GRIAL – Universidad de Salamanca
  • 29. Visual Analysis of a Moodle-based Software Engineering Course Francisco J. García (fgarcia@usal.es) Miguel Á. Conde (mconde@usal.es) Sergio Bravo (ser@usal.es) Diego A. Gómez (dialgoag@usal.es) Roberto Therón (theron@usal.es) University of Salamanca – GRIAL Research Group Methods and Cases in Computing Education (MCCE-2011) Ciudad Real, June 16th, 2011 Held at SPDECE-2011. Multidisciplinary symposium on the design and evaluation of digital content for education - Ciudad Real, June 15th -17th, 2011