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Evaluation of the Suitability of
Distributed Interactive Videoconferencing for use in Higher Education
2 Method for evaluation
2.3 Participant questionnaires
The participant questionnaire was administered after the eight targeted sessions by a member of the ABC '96 team based at each of four of the main sites: Brussels, Berlin, Madrid, and Aveiro. The style of questionnaire was intended to allow more detailed feedback to be sought where appropriate, by the use of follow-up questions (see Appendix 3).
2.4 Structured interviews with speakers
Structured interviews with the speakers were carried out after the targeted sessions. All of these interviews were carried out at the Brussels site. This approach was chosen because of it's flexibility to ask speakers about particular events that may have occurred during the session. The interview included the following issues: background of speaker, interaction issues, perceived quality of network, and educational aspects (see Appendix 4).
2.5 Experimenter observation
An experimenter, based at Brussels made observations based on a checklist of points during every session at the Summer School. The checklist (see Appendix 5) aimed to extract the following type of information:
- Nature of technical problems that occurred during each session,
- Extent of any disruptions,
- Quality and reliability of communications link,
- Appropriateness of the Isabelle application,
- Presentation issues,
- Interaction issues,
- Co-ordination between speakers, presenters, organisers, and participants.
In addition an observer based at Madrid continuously logged technical problems that occurred at the Madrid site (see Appendix 7). Note that some of these problems may have been caused by equipment particular to the local site, not necessarily by the overall network, application, organisation or other sites involved in the interaction.
Virtual Environments Visualisation