Understanding Diagrammatic Ink in Lecture Richard Anderson, Ruth Anderson, Crystal Hoyer, Craig Prince, Fred Videon, Steve Wolfman FSS 2004 Slides designed with minimal text
Introduce classroom environment Describe study – empirical analysis of lecture archive
Diagram use in the wild Identify properties of diagrams Challenges for analysis
Simple example - Irregular shapes - Cryptic labels - Attentional ink
Similar style, different instructor
Analyze example with respect to applications Static summary Student note taking
Closer look – challenge of identifying structure based on multiple lines
Phasing in diagrams
More examples of phasing
Locality in diagrams – inconsistent meaning of ink In discussion some of the ink is ignored Top arrows: “Not there” Separate wins indicated together
Attentional ink issues Ink that is both iconic and attentional Challenge of distinguishing attentional (A) from diagrammatic (B) Ink that changes meaning: check marks next to 1, 2, 3, become Locks Opportunistic use of ink
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