Euro-CAT Ergonomic Evaluation

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Euro-CAT Ergonomic Evaluation

Niki Lambropoulos and Fintan Culwin presented at the Euro-CAT workshop in Barcelona 05/02/2010

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  • The first HCI-Ed stage is the understanding of the context, key concepts and tasks prior to their translation into design. The understanding of the context is attained by identifying issues within it and the key factors that are at play with the associated learning values.  
  • The second HCI-Ed stage is iterative design based on reflections upon processes and outputs from the previous stage. The design can be defined as an individual and collective activity, finalized by a project to develop a physical and symbolic artefact. The problem is rarely well defined.
  • Euro-CAT Ergonomic Evaluation

    1. 1. Prototype users/experts evaluation Dr. Niki Lambropoulos & Prof. Fintan Culwin Department of Informatics, London South Bank University
    2. 2. Agenda <ul><li>HCI-Ed, the LSBU’s Role in Euro-CAT </li></ul><ul><li>Ergonomic Evaluation </li></ul><ul><li>HCI-Ed 7 steps </li></ul><ul><li>Prototype evaluation (Step 3) </li></ul>
    3. 3. HCI-Ed in 7 Steps <ul><li>Context & Learning Values - Hypothesis </li></ul><ul><li>(Iterative) Design – Requirements </li></ul><ul><li>Evaluation with user groups/experts </li></ul><ul><li>Development </li></ul><ul><li>Evaluation with user groups </li></ul><ul><li>Re-Design & Development </li></ul><ul><li>Study & Research - Tool Release </li></ul>1CH 2DR 3E 4D 5E 6D 7RTR
    4. 4. Research Problem <ul><ul><li>Distributed learning teams in team-based learning situations aim to achieve organisational convergence. </li></ul></ul><ul><ul><li>However, there are collaboration problems due to mediated distance & time flexibility. </li></ul></ul>
    5. 5. <ul><li>Key CSCeL concept: Collaboration Awareness </li></ul><ul><ul><li>Students’ difficulties </li></ul></ul><ul><ul><li>Group Awareness </li></ul></ul><ul><ul><li>Time convergence </li></ul></ul><ul><li>Learners’ Intentions (learning goals): Task Convergence </li></ul><ul><li>Users’ operations (actions/tasks): Pedagogical Usability </li></ul>1C H 2DR 3E 4D 5E 6D 7RTR Step1a: Context & Learning Values
    6. 6. Collaboration Awareness <ul><ul><li>Students’ difficulties: In addition to f2f Collaborative Learning difficulties, CSCeL situation adds Computer Mediated Communication (CMC) and ILE difficulties (Kirschner, 2009) </li></ul></ul><ul><ul><li>Group Awareness: understanding of the activities of others, which provides context for your own activity (Dourish & Bellotti, 1992) </li></ul></ul><ul><ul><li>Time convergence: Distributed learning teams are characterised by the degree of time flexibility and computer mediation (Romero, 2010) </li></ul></ul>Being Human
    7. 7. <ul><ul><li>3C Model: </li></ul></ul><ul><ul><li>C ommunication, </li></ul></ul><ul><ul><li>C oordination & knowledge </li></ul></ul><ul><ul><li>C onvergence (Ellis et al, 1991) </li></ul></ul>How? 1C H 2DR 3E 4D 5E 6D 7RTR
    8. 8. <ul><li>If group awareness is a prerequisite for convergence then increase of group awareness will result in increase of organisational convergence and thus, collaboration awareness. </li></ul>1CH 2DR 3E 4D 5E 6D 7RTR Step1b: Hypothesis
    9. 9. <ul><li>Euro-CAT… </li></ul><ul><li>C ollaboration A wareness T ool </li></ul><ul><li>Task-independent </li></ul><ul><li>Supports 3C via </li></ul><ul><ul><li>Mirroring capabilities </li></ul></ul><ul><ul><li>Awareness cues </li></ul></ul><ul><li>Does not replace other 3C tools </li></ul>1CH 2DR 3E 4D 5E 6D 7RTR Step2: (Iterative) Design - Requirements
    10. 10. Step2: (Iterative) Design - Requirements 1CH 2DR 3E 4D 5E 6D 7RTR The design can be defined as an individual and collective activity, finalized by a project to develop a physical and symbolic artefact. The artefact is rarely well defined in this step.
    11. 11. Key Concepts for Design 1CH 2DR 3E 4D 5E 6D 7RTR Group Progress Users Scheduling Trail tracking Now Awareness Cues
    12. 12. Euro-CAT Screenshot 1CH 2DR 3E 4D 5E 6D 7RTR
    13. 13. Step3: User/Expert Evaluation @ this workshop <ul><li>Euro-CAT Ergonomic Evaluation </li></ul><ul><ul><li>Pedagogical Utility/Usability/Accessibility Questionnaire & System Usability Scale (SUS) </li></ul></ul><ul><ul><li>Cognitive Walkthrough </li></ul></ul><ul><ul><li>Think aloud protocol </li></ul></ul>1CH 2DR 3E 4D 5E 6D 7RTR
    14. 14. Task Description: Setting <ul><li>Define your week days and week-end days (click all days). </li></ul><ul><li>Click Save </li></ul><ul><li>Click Next </li></ul>
    15. 15. Task Description: Week days <ul><li>Schedule your working hours </li></ul><ul><li>Schedule your learning hours </li></ul><ul><li>Click Save </li></ul><ul><li>Click Next </li></ul>
    16. 16. Task Description: Week-end <ul><li>Schedule your working hours </li></ul><ul><li>Schedule your learning hours </li></ul><ul><li>Click Save </li></ul><ul><li>Click Next </li></ul>
    17. 17. Task Description: Week days <ul><li>Schedule your working hours </li></ul><ul><li>Schedule your learning hours </li></ul><ul><li>Click Save </li></ul><ul><li>Click Next </li></ul>
    18. 18. Task Description: Timeline <ul><li>Click on your timeline to make changes </li></ul><ul><li>Click to add/change messages </li></ul><ul><li>Click to add/change tasks </li></ul>
    19. 19. Euro-CAT Ergonomics starts! URL: http://www.survey.bris.ac.uk/lsbu/euro-cat
    20. 20. Thank you! Questions? Dr. Niki Lambropoulos [email_address] Prof. Fintan Culwin [email_address]

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