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Visual Aids

A quick and dirty primer

Visual Aids

• Audience Advantages– Add clarity– Indicate what’s important– Reinforce key points– Increase interest– Reach different learning styles– Aid retention

Visual Aids

• Speaker Advantages– Show preparedness– Add credibility– Help reduce fright– Add confidence

Visual Aids

• Simple

• Large

• Clear

• Consistent

(An oil slick – get it?)

Visual Aids

• Not…

Visual Aids

Not Simple

Visual Aids• Visual Aids allow you to reach students of

different learning styles because it adds a visual element to your oral presentation. This is especially important because today’s students seem to be more visual than other generations.

• It helps reinforce the key information in your presentation and keeps student interest focused on the front of the room.

• It allows you to give students clear prompts for their assignments, especially in-class assignments. They can always look up to refocus their attention to the assigned task.

• Visual Aids can be used over and over again and can be electronically moved directly to a web site so that students can look at it again after class and as many times as they want.

• It serves as Ockham’s razor by helping you structure your thoughts.

• Not Simple

Visual Aids• Not Large

Visual Aids

Not Large

Visual Aids

Visual Aids

Not Clear

Visual Aids• Not Consistent

Visual AidsNot Consistent

Visual Aids

• Use me for hard copy (with serif)

• Use me for projection (sans serif)

Visual Aids

• If using text– in general

• Six words per line• Six lines per page

Visual Aids

• DON’T USE ALL CAPS…

– It’s easier to read this...

– …THAN THIS!

Visual Aids

• Color is important– Yellow– Brown– Green– Blue– Red – White

Visual Aids

• And so is intensity…– Green– Green– Green– Green– Green– Green

Visual Aids

A isworth

Visual Aids

Visual Aids

• But…

…don’t over do it!

Visual Aids

Visual Aids

• What about displaying data?

Visual Aids

• Graphs– Give life to data– Make data more interesting– Show trends, patterns, and relationships

Visual Aids

• The type of graph– Depends on the kind and amount of data– Depends on what story you want to tell

Visual Aids

• Constructing a graph– Requires using your whole brain (just like

mind mapping)

Visual Aids

– Aesthetic thinking is needed to:• Insure the visual look and feel is appropriate

– Analytical thinking is needed to:• Select the right graph type• Insure the graph is complete & accurate

Visual Aids

• Graph TypesMean Lake Michigan Water Level by

Decade, 1920 - 2000

175.95

176.17

176.30

176.40

176.08

176.69176.75

176.47

175.89

175.40

175.60

175.80

176.00

176.20

176.40

176.60

176.80

177.00

1920 1930 1940 1950 1960 1970 1980 1990 2000

Me

ters

Ab

ov

e S

ea

Le

ve

l

Source: US Army Corps of Engineers http://www.lre.usace.army.mil/index.cfm?chn_ID=1383&lake_id=2

** through 2002

Value of Principal Vegetables for Fresh Market Five Top Producing States 1992 - 1997

$0

$1,000,000,000

$2,000,000,000

$3,000,000,000

$4,000,000,000

$5,000,000,000

$6,000,000,000

$7,000,000,000

1992 1993 1994 1995 1996 1997

New York

Arizona

Texas

Florida

California

Source: USDA, National Agricultural Statistics Serv icehttp://usda.mannlib.cornell.edu/usda/reports/general/sb/b9460199.txt

901463

705891

433703400453

369293

308415255371

246481 245861244150

0

100,000

200,000

300,000

400,000

500,000

600,000

700,000

800,000

900,000

1,000,000

Ford F-Series

ToyotaCamry

HondaAccord

NissanAltima

ChevroletMalibu

Top-Selling Vehicles in the US 2005

Source: www.infoplease.com/ipa/A0883578.html

XIX Winter Olympic GamesTop Medal Winners

Salt Lake City, USA, February 2002

05

10152025303540

Germany UnitedStates

Norway Canada Russia

Gold

Silver

Bronze

Source: Fact Monster from Inform ation Pleasehttp://w w w .factm onster.com /ipka/A0900268.html

0

5

10

15

20

25

30

35

40

45

50

Birth and Death Rates for the World's Wealthiest and Poorest Countries

2003 Death Rate (est.)

2003 Birth Rate (est.)

Wealthiest Countries Poorest Countries

Rateper1,000Pop.

Source: CIA World Factbookhttp://www.cia.gov/cia/publications/factbook/index.html

What is the home page on your web browser?Thursday Lecture F2005

51%

5%2%

19%

23%

UVM Webpage

Yahoo

MSN

Google

Other

Relationship between GDP & Electric Consumption for Calendar Year 2002

Selected Western European Countries

0

100

200

300

400

500

600

0 500 1000 1500 2000 2500

Gross Domestic Product in Millions of US $(2002 est.)

An

nu

al E

lect

rici

ty C

on

sum

pti

on

in

Bill

ion

s o

f kW

h

Portugal

AustriaSwitze rland

Netherlands

Spain

Italy

United Kingdom

France

Germany

Source: The World Factbook http://cia.gov/cia/publications/factbook/index.html

Visual Aids

• Line Graphs– Shows changes in data over time

Visual AidsMean Lake Michigan Water Level by

Decade, 1920 - 2000

175.95

176.17

176.30

176.40

176.08

176.69176.75

176.47

175.89

175.40

175.60

175.80

176.00

176.20

176.40

176.60

176.80

177.00

1920 1930 1940 1950 1960 1970 1980 1990 2000

Me

ters

Ab

ov

e S

ea

Le

ve

l

Source: US Army Corps of Engineers http://www.lre.usace.army.mil/index.cfm?chn_ID=1383&lake_id=2

** through 2002

Visual Aids

• Area Graph– Variation on basic line graph– Shows the contribution of a set of data to the

whole

Visual Aids

Value of Principal Vegetables for Fresh Market Five Top Producing States 1992 - 1997

$0

$1,000,000,000

$2,000,000,000

$3,000,000,000

$4,000,000,000

$5,000,000,000

$6,000,000,000

$7,000,000,000

1992 1993 1994 1995 1996 1997

New York

Arizona

Texas

Florida

California

Source: USDA, National Agricultural Statistics Serv icehttp://usda.mannlib.corne ll.edu/usda/reports/general/sb/b9460199.txt

Visual Aids

• Bar Graph– Each column represents a particular category

at one point in time– Compares related data– Almost always sorted

Visual Aids

901463

705891

433703400453

369293308415

255371 246481 245861 244150

0

100,000

200,000

300,000

400,000

500,000

600,000

700,000

800,000

900,000

1,000,000

Top-Selling Vehicles in the US 2005

Source: www.infoplease.com/ipa/A0883578.html

• Stacked Bar Graph– Variation of the bar graph– Shows contributions of sub-sections to the

whole– At given point of time

Visual AidsXIX Winter Olympic Games

Top Medal WinnersSalt Lake City, USA, February 2002

05

10152025303540

Germany UnitedStates

Norway Canada Russia

Gold

Silver

Bronze

Source: Fact Monster from Inform ation Pleasehttp://w w w .factm onster.com /ipka/A0900268.html

Visual Aids

• 3D Bar Graph– Another variation of the bar graph– Places one row of bars in front of another– Highlights comparisons– Again, at one given point in time

Visual Aids

0

5

10

15

20

25

30

35

40

45

50

Birth and Death Rates for the World's Wealthiest and Poorest Countries

2003 Death Rate (est.)

2003 Birth Rate (est.)

Wealthiest Countries Poorest Countries

Rateper1,000Pop.

Source: CIA World Factbookhttp://www.cia.gov/cia/publications/factbook/index.html

Visual Aids

• Pie Graph– Compares the components of a set to each

other– Shows percentage proportion of two or more

values to a meaningful whole

Visual Aids

What is the home page on your web browser?Thursday Lecture F2005

51%

5%2%

19%

23%

UVM Webpage

Yahoo

MSN

Google

Other

Visual Aids

• X-Y Graph– Also called Scatterplots– Shows correlation or relationship between two

different sets of data– Data often have different scales of

measurement– Best fit line shows type and degree of

relationship

Visual AidsRelationship between GDP & Electric Consumption for Calendar Year 2002

Selected Western European Countries

0

100

200

300

400

500

600

0 500 1000 1500 2000 2500

Gross Domestic Product in Millions of US $(2002 est.)

An

nu

al E

lect

rici

ty C

on

sum

pti

on

in

Bill

ion

s o

f kW

h

Portugal

AustriaSwitzerland

Netherlands

Spain

Italy

United Kingdom

France

Germany

Source: The World Factbook http://cia.gov/cia/publications/factbook/index.html

Animations

• “Appear” works well

• Allows focus on each point

• Avoids audience reading ahead

• But don’t get carried away

• That goes for sound as well

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