understanding diagrammatic ink in lecture richard anderson, ruth anderson, crystal hoyer, craig...
Post on 19-Dec-2015
216 views
TRANSCRIPT
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
For more information
http://www.cs.washington.edu/education/dl/presenter/
Richard Anderson, [email protected]
Ruth Anderson, [email protected]