180 likes | 481 Views
Rethinking the Design of Presentation Slides. Michael Alley College of Engineering Melissa Marshall Department of Communication Arts & Sciences. [Hamaker, 2009]. The defaults of PowerPoint are not based on research in communication or cognitive psychology. Poor starting place.
E N D
Rethinking the Designof Presentation Slides Michael Alley College of Engineering Melissa Marshall Department of Communication Arts & Sciences [Hamaker, 2009]
The defaults of PowerPoint are not based on researchin communication or cognitive psychology Poor starting place [Gomes, 2007]
Our research has found that most slides are heavily influenced by these defaults 40% Too much text [Garner et al., 2009]
Our research has found that most slides are heavily influenced by these defaults 25% Too much text: crowded [Garner et al., 2009]
January 24, 2003 February 1, 2003 The past few years, this common practice of PowerPoint has received harsh criticism January 16, 2003 [Tufte, 2003] [Schwartz, 2003] [Keller, 2003]
2005 Several recent texts have challenged the defaults of PowerPoint 2003 2008
We advocate an assertion–evidence slide structure that is grounded in communication research [Fishbone, 2008]
Xenon headlights illuminate signs better than halogen headlights do Standard Halogen Xenon Halogen Headlight SilverStar Ultra TM Xenon Headlight [Sylvania, 2008 ]
The structure calls for a succinct sentence headline that states the main assertion of the slide [Toulmin, 2002] [Alley et al., 2006] [Sawarynski, 2009]
The small size of the mouse brain makes locating specific areas extremely difficult [Welker, 2008]
The structure also calls for supporting that sentence-assertion headline with visual evidence [Mayer, 2001] [Paivio, 1986] [Brown, 2008]
During growth, cells secrete waste products and macromolecules into their environment Waste Macromolecules Cells
The Chesapeake Bay, which is the country’s largest estuary, has only two places for traffic to cross sha.state.md.us [roadtraffic-technology.com] Annapolis Dover Washington D.C Richmond [landsat.gsfc.nasa.gov]
In the past 25 years, traffic has significantly increased on the Chesapeake Bay Bridge 1961 Traffic 1.5 million 2007 Traffic: 27 Million 1952 Traffic: 1.1 million [Maryland Transportation Authority, 2007]
At typical highway speeds, overcoming drag requires about two-thirds of a truck engine’s output [McCallen, 2004] [LLNL, 2010] How much power from a truck’s engine is needed to overcome aerodynamic drag? Aerodynamic Drag CD = 0.6 Rolling Friction and Accessories
[Alley, 2003] [Atkinson, 2005] A third hurdle in adopting the assertion−evidence structure is to overcome the weak defaults of PowerPoint Template at first Google listing for “presentation slides”
In summary, assertion-evidence slides are more effective than the common practice of PowerPoint [Hamaker, 2009]