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Visual Explanations
Brian McNurlen, CITES, UIUCJim Witte, ATLAS, UIUC
Students frequently criticize PowerPoint in evaluations.
• “PowerPoint lectures are boring. They just read one slide after another.” -student
Students frequently criticize PowerPoint in evaluations.
• “The instructor didn’t even know the slides had mistakes & were wrong!” -student
Students frequently criticize PowerPoint in evaluations.
• “Slides have way too much stuff…can’t tell what’s important.” –student
Students frequently criticize PowerPoint in evaluations.
• “Too fast! Too much!” -student
Students frequently criticize PowerPoint in evaluations.
• “PowerPoint allows speakers to pretend they are giving a real talk.” -Edward Tufte
Don’t let your slides become your presentation!
Students learn better when you use both text and visuals.
Decorative graphics impede learning.
Examples of Redesigned Slides
Original slides have a beige background.
Redesigned slides have white background, with New in upper right corner.
Original Slide in Beige New Slide in White
New
Innovation-Development Process
… begins with recognition of a problem or need, which stimulates research and development activities designed to create an innovation to solve the problem or need.
Rogers, 2003
Rogers identifies three major steps in the innovation-development process.
New
Heart
• Is a muscle• Circulates blood – into the heart through veins– Out of the heart through arteries
The heart is the muscle that circulates blood through veins and arteries.
Picture Credit: http://www.telegraph.co.uk/connected/graphics/2006/11/28/echeart28.jpg
New
Parts of the Heart
• Left Atrium– Mitral Valve
• Left Ventricle• Right Atrium– Tricuspid Valve
• Right Ventricle– Pulmonary Valve
The heart is a muscle consisting of chambers and valves.
Picture Credit: http://en.wikibooks.org/wiki/Wikijunior:Human_Body/Heart
New
Branches of US Government
• Legislative– House of Representatives– Senate
• Executive– President & Vice President
• Judicial– Supreme Court
The US Constitution establishes three major branches of government.
New
The US constitution establishes three major branches of government.
New
Subfields of Linguistics
• Phonetics/Phonology• Morphology• Syntax• Semantics• Pragmatics
Some subfields of linguistics are largely independent.
New
Peer Observation Steps
1. Planning & Prep2. Pre-conference3. Observation4. Reflection5. Post-conference
Peer Observation has five (5) steps.New
US Budget allocation
US Budget
Human ResourcesGeneral GovernmentPhysical ResourcesCurrent MilitaryPast Military
Over half of the US budget goes toward military-related expenditures.
Human Resources32%
General Gov-ernment
12%Physical Resources
5%
Current Military31%
Past Military20%
Graph Credit: http://www.warresisters.org/pages/piechart.htm
New
Don’t let your slides become your presentation!
TVs, Computers, and Test Scores
http://www.smh.com.au/ffxmedia/2005/07/06/kidstv.jpg
Students who have TVs in their bedroom score lower on academic tests.
http://chartjunk.karmanaut.com/images/testpattern2.gif
New
Using nominal dollars and omitting economic growth leads to a misleading chart.
http://perotcharts.com/challenges/
US Govt spending as a percentage of GDP has declined since the 1980s.
19681970
19721974
19761978
19801982
19841986
19881990
19921994
19961998
20002002
20042006
15%
16%
17%
18%
19%
20%
21%
22%
23%
24%
New
US Govt spending as a percentage of GDP has declined since the 1980s.
19681970
19721974
19761978
19801982
19841986
19881990
19921994
19961998
20002002
20042006
0%
5%
10%
15%
20%
25%
New
