The Effect of Media Richness on Annotations

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The Effect of Media Richness on Annotations

• Jimmy Lin
• CS 294-4
• December 3, 1999

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Background DENIM

• Sketch-based tool for designing web sites
• Targeted for early stage web design
• Pan-and-zoom interaction

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DENIM
Canvas
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DENIM Creating Pages
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DENIM Creating Pages
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DENIM Site Map View
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DENIM Storyboard View
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DENIM Sketch View
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DENIM Run Mode
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Annotations

• Designers often annotate designs
• Designers also discuss ideas with each other
• Audio annotations"

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Pen Annotations
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Audio Annotations
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Audio Annotations
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Audio Annotations
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Audio Annotations
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Annotations and Media Richness

• According to media richness
• Audio annotations richer than written annotations
• ? Should carry different content
• Neuwirth et al (1994)
• Voice annotations focused on purpose, audience
• Written annotations focused on substance
• Similar conclusions for design documents?

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Informal Study

• Participants 4 web designers
• Briefly demonstrate DENIM
• Give three web designs
• Annotate
• One with ink
• One with voice
• One with whichever designer wants

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Informal Study

• Record and analyze
• Time to annotate
• How many items were annotated
• Type of content in annotations
• Satisfaction of reviewer
• Usability concerns
• Overall reaction