When you want to compare the breakdown of a total amount into segments between multiple groups, the temptation is to use two pie charts. Pie charts are the default most presenters turn to when showing the breakdown of an amount into segments. This makeover shows why a stacked bar chart is often better than two pie charts for comparing groups broken down into segments.
The 3rd Intl. Workshop on NL-based Software Engineering
Slide Makeover #79: Comparing groups broken into segments
1. Slide Makeover
Video Podcast #79:
Comparing groups broken
into segments
Based on the ideas in
“Present It So They Get It”
by Dave Paradi
www.PresentItSoTheyGetIt.com
2. When you want to compare the
breakdown of a total amount into
segments between multiple
groups, here is what presenters
typically use …
9. As a result, the audience can’t
figure out what the message is
because they can’t really compare
the two groups accurately.
Instead, use a stacked bar graph,
like this …
10. 47% of documentation time spent on other
tasks; Group B 3X more time on Assessment
47%
47%
20%
20%
13%
13%
6%
18%
5%
2%
9%Group A
Group B
Other After call Medication
Assessment
Scheduling Goals
47% of time
supposed to be
documenting is
spent on other tasks
Group B spends 3X
what Group A does
on Assessment
11. 47% of documentation time spent on other
tasks; Group B 3X more time on Assessment
47%
47%
20%
20%
13%
13%
6%
18%
5%
2%
9%Group A
Group B
Other After call Medication
Assessment
Scheduling Goals
47% of time
supposed to be
documenting is
spent on other tasks
Group B spends 3X
what Group A does
on Assessment
Order, label name, and
color of segments is
consistent
12. 47% of documentation time spent on other
tasks; Group B 3X more time on Assessment
47%
47%
20%
20%
13%
13%
6%
18%
5%
2%
9%Group A
Group B
Other After call Medication
Assessment
Scheduling Goals
47% of time
supposed to be
documenting is
spent on other tasks
Group B spends 3X
what Group A does
on Assessment
Callouts direct attention
to issues the audience
should focus on
13. 47% of documentation time spent on other
tasks; Group B 3X more time on Assessment
47%
47%
20%
20%
13%
13%
6%
18%
5%
2%
9%Group A
Group B
Other After call Medication
Assessment
Scheduling Goals
47% of time
supposed to be
documenting is
spent on other tasks
Group B spends 3X
what Group A does
on Assessment
Overall: Much easier to
compare one group to
the other
14. What lessons can we learn about
comparing the breakdown of
multiple groups into segments?
15. Lesson #1:
Don’t use 3-D graphs. The third
dimension distorts our
interpretation of the size or
position of items, making accurate
comparison impossible.
16. Lesson #2:
When comparing graphs, make
sure that the order, color, and text
labels are consistent in each
graph.
17. Lesson #3:
A stacked bar chart is a better
choice to compare segments
within a total amount. This type of
graph places the information to be
compared close to each other. It is
a standard graph in Excel or
PowerPoint.
18. Lesson #4:
Use callouts to direct the viewer’s
attention to the important points
they should be noticing in the
graph. It ensures they come to the
conclusion you want them to.
19. Before After
Lessons:
1. Don’t use 3-D graphs
2. Have consistency when comparing graphs
3. Use a stacked bar chart instead of two pie charts
4. Use callouts to direct attention
Quick recap:
More makeovers available at www.SlideMakeoverVideos.com
20. If you would like me to help
your team create presentations
that have a clear message with
focused content and effective
visuals, get in touch:
P: 905-510-4911
E: Dave@ThinkOutsideTheSlide.com
W: www.ThinkOutsideTheSlide.com