210 likes | 341 Views
Social Web, & Annotation in E-Learn 2005. Rosta Farzan January 12, 2006. List of papers. Social Web Discovering the Complex Effect of Navigation Cues in an E-Learning Environment, Dron, University of Brighton, UK A Succession of Eyes: Building an E-Learning City, Dron, UK
E N D
Social Web, & Annotation in E-Learn2005 Rosta Farzan January 12, 2006
List of papers • Social Web • Discovering the Complex Effect of Navigation Cues in an E-Learning Environment, Dron, University of Brighton, UK • A Succession of Eyes: Building an E-Learning City, Dron, UK • The Use of Blogs in Teaching, Knowledge Management, and Performance Improvement, Want et al, San Diego State University, USA • Annotation • Enhancing Online discussion through Web Annotation, Xin & Glass, Siimon Fraser University, Canada • Extending Annotations to Make Truly Valuable, Korica et al, Graz University of Technology, Austria • Scripted Anchored Discussion of eLectures, Trahasch & Lauer
Discovering the complex effect of navigation cues … • Experiment • Determining the effect of visual social navigation cues on user behavior • Position • Font-size • Word-length • Subjects • 203 users • Students & teachers of University of Brighton
Result • Position • Strong correlation between list position and chances of being clicked • Font size • Single item with large font size has strong chance of being clicked • Word length • No strong correlation
A Succession of Eyes: Building an E-Learning City • Describes Dwellings • Virtual city for learners • Supports self-organizing mechanism • Interactive collaborative web browsing • Bookmark database • Content management systems
Dwellings & City metaphor • Users ~ dwellers • Represented by avatars • Links ~ dwellings • Collection of links ~ street • Demo • http://dwellings.cofind.net/conf/
Social Navigation in Dwellings • Real-time • Real time chatting with other users • See other users who are login to the system at the same time • History-rich information • Leave graffiti on the buildings • Leave footprint as you move • View footprints left by others • Identify popular sites
Study • Pilot study • Improve design and further development • Two hour period • Six graduate students studying communication technologies • Data collection • Observe activity of students • Analyze usage logs • Questionnaire
Result • Effect of social navigation • Two streets attracted most of the activities • Students were attracted by presence of others • Mentioned as the most important factor determining where to move • High usage of “Who is here now” link • No clear influence of presence of footprints
The use of blogs in teaching, … • Usefulness of blogs • Learning tool • Facilitate critical thinking • Promote discussion • Support individual/group learning in classroom settings • Knowledge Construction tool • Supported by archiving & hyper-linking • How ideas connect & evolve over time • Self-organization of information • Collaborative knowledge construction • Leaving comments
Usefulness of blogs • Knowledge Management tool • Klogs • Gathering and sharing information or knowledge • Informal knowledge management • Bottom up • Performance Improvement tool • Blogs improve critical thinking • Proactive thinking enhance collective ability of an organization
Enhancing Online Discussion through Web Annotation • Develop web annotation & highlighting • Integrated into Moodle discussion forums • Study how annotation facilitate discussion • Demo • http://www.geof.net/code/annotation
Evaluation • Future work • How are the annotation functions used? • What purpose? • What context? • How do annotation affect behavior of others? • What is the role of annotations in ongoing discussion? • How annotations help users? • Do users revisit annotations? • How?
Extending Annotation to Make them Truly Valuable • Annotation as a tool for collaboration • Private annotations • Public annotations • Group annotations • Group Work space • Attached to a unit of material • HTML page, PPT slide, a paragraph, a figure, a picture, a table, … • Users • Username, password, group name • Can belong to more than one group
Annotation as Work Space • Workspace • Information • Comment, links, or documents inserted by others • Question • Questions asked by members related to the attached unit • Answers to the questions • Discussion • Discussion forum
Scripted Anchored Discussions of eLectures • Recording live lectures as educational modules for e-learning • Less expensive & more flexible • Tool • AOF (Authoring on the Fly) • Problem • Limited interaction of learners • Solution • Scripted anchored discussion
Scripted anchored discussion • Exchanging structured comments anchored in documents (synchronously or asynchronously) • Defines actions • Replace spontaneous intervention of instructors • Sentence opener (prompt) • Type of contribution • Question, Comment, New topic • Order of contribution
Constructive criticism Response Closing Analysis Representation • Non-deterministic finite state machine critic starts analyzer First Analysis critic analyzer analyzer