Authors: Presentation Secrets
words
and
pictures. In Mayer’s experiments, groups that were
exposed to multisensory environments—texts and pictures, ani-
mation, and video—always had much more accurate recall of the
information, in some cases up to twenty years later!
CONTIGUITY PRINCIPLE
“When giving a multimedia explanation, present correspond-
ing words and pictures contiguously rather than separately,”
Mayer advi
ses.17 I
n Mayer’s experiments, he exposed students to certain types of information and then tested them on what they
had learned. Those students who had read a text containing
captioned illustrations near the corresponding words performed
65 percent better than those students who had read only plain
text. Mayer says this principle is not surprising if you know how
the brain works. When the brain is allowed to build two mental
representations of an explanation—a verbal model and a visual
model—the mental connections are that much stronger.
SPLIT-ATTENTION PRINCIPLE
Mayer also advises, “When giving a multimedia explanation,
present words as auditory narration rather than visual on-screen
text.
”18 W
hen presenting information, words delivered orally have greater impact than words read by your audience on a slide.
Having too many words to process overloads the brain.
COHERENCE PRINCIPLE
“When giving a multimedia explanation,” writes Mayer, “use few
rather than many extraneous words and pictures.
”19
Shorter presentations with more relevant information are more consistent
CHANNEL THEIR INNER ZEN
95
with cognitive-learning theories. In sum, adding redundant or
irrelevant information will impede, rather than aid, learning.
Mayer says an ideal slide would contain an image along with
a simple line drawing directing the eye to the area that you
want the viewer to see. This is called “signaling,” and it is based
on the scientific premise that your audience should not have
to waste cognitive resources trying to find their place on the
screen. Now, keep this in mind as we return to the “Let’s Rock”
event. About six minutes into the presentation, Jobs described a
new feature available on iTunes—Genius (see Table 8.3).
20
What could be easier to follow than simple line arrows point-
ing to the relevant area of a slide? Line drawings, few words,
and a rich library of colorful images and photographs make up
the majority of Jobs’s slides. Simplicity—the elimination of clut-
ter—is the theme that ties them all together.
The “McPresentation”
Critics once derided USA Today as “McPaper” for its short,
easy-to-read stories. They’re not laughing now. USA Today
boasts the largest circulation of any newspaper in the United
States. Readers love the colorful and bold graphics, charts, and
photographs. After USA Today launched in 1982, many daily
newspapers had no choice but to follow with shorter stories,
splashes of color, and more photographs.
USA Today became famous for its “snapshots,” stand-alone
charts carried on the lower left of the main sections (i.e., News,
Sports, Money, Life). They are easy-to-read statistical graph-
ics that present information on various issues and trends in
a visually appealing way. These graphics are among the best
learning tools to create more visual slides. Study them. You’ll
see Richard Mayer’s theory in action. Statistics share the slide
with images, making the information more memorable. For an
index of USA Today “snapshots,” visit usatoday.com/snapshot/
news/snapndex.htm.
96
DELIVER THE EXPERIENCE
TABLE 8.3
MORE EXCERPTS FROM JOBS’S 2008
“LET’S ROCK” PRESENTATION
STEVE’S WORDS
STEVE’S SLIDES
”We’re introducing a new feature called Genius.
Genius
Genius is pretty cool.”
“What Genius does is automatically allow you to
Automatically make
make playlists from songs in your music library
playlists from songs
that go great together, with just one click. It
in your library that go
helps you rediscover music from your own
great together—with
music library and make great playlists that you
just one click
probably wouldn’t think of making any other
way, and it really works well with just one click.”
“So, that’s what Genius is. Here’s what it looks
Image of an iTunes
like. Let’s say you’re listening to a song—in my
library screen shot with
case, a Bob Dylan song.”
a song highlighted
“There’s a Genius button down here in the
Animated circle
corner. You push that, and voilà—you’ve
appears and surrounds
made a Genius playlist. In addition, you can
small Genius logo at
bring up the Genius sidebar that makes
bottom right of screen
recommendations from the iTunes store of
music you might want to buy.”
“So, how does all this work? Well, we’ve got
Simple cloud line
the iTunes store in the cloud, and we’ve added
drawing with Genius
Genius algorithms to it.”
logo inside
“So, you’ve got your music library. If you turn on
Image of iTunes music
Genius, it’s going to send up information about
library; arrow appears
your music library to iTunes so we can learn
moving up from iTunes
about your musical tastes. This information is
to cloud
sent completely anonymously.”
“But it’s not just information from you, because
Many images of iTunes
we are going to combine your information with
music libraries appear
the knowledge of millions of iTunes users as well.”
alongside original
“And so, you’re going to send your information
Arrow up from original
up, and so are they.”
image to cloud,
followed by more than
a dozen arrows from
other images
CHANNEL THEIR INNER ZEN
97
STEVE’S WORDS
STEVE’S SLIDES
“And as that happens, Genius just gets
Genius logo in cloud
smarter, and smarter, and smarter.”
replaced with word
“Smarter”
“Everybody benefits. When we send back
Arrow appears moving
down Genius results to you, they are tailored
downward from cloud to
to your music library.”
iTunes library image
“So, automatically make playlists from songs
in your library that go great together, with
just one click. That’s what Genius is about.”
[moves to demo]
White Space
According to Garr Reynolds, there is a clear Zen aesthetic to
Jobs’s slides. “In Jobs’s slides, you can see evidence of restraint,
simplicity, and powerful yet subtle use of empty space.
”21 T
op designers such as Reynolds say the biggest mistake business
professionals make is filling up every centimeter of the slide.
Nancy Duarte describes white space as giving your slides
visual breathing room. “Visible elements of a slide often receive
the most focus. But you need to pay equal attention to how
much space you leave open . . . It’s OK to have clear space—
clutter is a failure of design.
”22
Duarte says it’s “laziness” on the part of the presenter to put everything on one slide.
Dense information and clutter requires too much effort
for your audience. Simplicity is powerful. Empty space implies
elegance, quality, and clarity. To see examples of how design-
ers use space, visit some slide design contest winners at
Slideshare.net (slideshare.net/contest/results-2008).
Picture Superiority Effect
By now I hope you have decided to gather up your current slides,
especially those with bullet points, and burn them. At least burn
them digitally by deleting them and emptying your recycle bin
98
DELIVER THE EXPERIENCE
so you can never retrieve those slides again. The argument for
the visual representation of ideas is such a powerful concept that
psychologists have a term for it: the picture superiority effect
(PSE).
23
Researchers have discovered that visual and verbal information are processed differently along multiple “channels” in
your brain. What this means for you and your next presentation
is simple: your ideas are much more likely to be remembered if
they are presented as pictures instead of words.
Scientists who have advanced the PSE theory believe it repre-
sents a powerful way of learning information. According to John
Medina, a molecular biologist at the University of Washington
School of Medicine, “Text and oral presentations are not just
less efficient than pictures for retaining certain types of infor-
mation; they are
way
less efficient. If information is presented orally, people remember about 10 percent, tested seventy-two
hours after exposure. That figure goes up to 65 percent if you
add a picture.
”24
Pictures work better than text because the brain sees words
as several tiny pictures. According to Medina, “My text chokes
you, not because my text is not enough like pictures but because
my text is too much like pictures. To our cortex, unnervingly,
there is no such thing as words.
”25
Steve’s Love of Photos
On June 9, 2008, Steve Jobs announced the introduction of
the iPhone 3G at the WWDC. He used eleven slides to do so,