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Learn about the utilization of virtual margins as a solution to remembering private conversations in a web-based forum setting. Understand the impact of interface design and explore usability testing results for effective knowledge building and interaction.
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IKIT 2005 Toronto Usability Testing Virtual Margins cjf@sfu.ca
the context • Knowledge building environment • typically web based forum
the situation • There are two dialogs: • people with each other • person with themself
people with others • Conversation is public • others can read and contributeto the discussion
person with themself • Conversation is privatenot sharedimpermanent
the problem • How does one remember one's private conversations? • Memories are too short • Paper is too cumbersome • Forum interface is not designed for private conversations
a solution • Forum interface element designed to support people's remembering • Similar to paper marginsthoughts maintain their context
Virtual Margin • A private permanent spacepeople can record their thoughts • Retains its context
how might this work? • Example 1:
how might this work? • Example 1:
how might this work? • Example 2:
how might this work? • Example 2:
which one is more usable? • In effect, does the position of the scroll bars matter?
test group • Four grad studentstwo men & two women • Repurposed their Knowledge Forum postings • Prototype web application chose one of the two presentations
result • One box vs. Two boxes did not matter • difference was not noticed
more results • Comments • Questions • Requests • Difficulties
comments • It's a thinking pad • This is a place to collect my thoughts
questions • Trust: • How long do the comments stay? • How do comments move into the forum? • Features: • Why is input position always at the top? • Can I look at all the comments in one spot?
requests • Margin not indicator at the view level • Summary view – notes “bubble up”
difficulties • Cut and paste • Forum content and margin content reflow independently
conclusion • Adding a virtual margin opens up new ways for people to interact with their own ideas as well as those of other forum participants • How would people really use this?