IllustrationsIllustrations

Why use visual aids?Why use visual aids?

Repetition:Repetition:– Explaining a message in different forms Explaining a message in different forms

reinforces it.reinforces it.

Accelerates communication:Accelerates communication:– A clear illustration can communicate an A clear illustration can communicate an

idea at a glance.idea at a glance.

Use a visual aid:Use a visual aid:

When words alone are impossible or When words alone are impossible or inefficient for the task at hand.inefficient for the task at hand.

To summarize or emphasize a point.To summarize or emphasize a point.

To present data described in the To present data described in the text.text.

When Words are Inefficient:When Words are Inefficient:

Surgeon’s End Loop Knot - TextSurgeon’s End Loop Knot - Text

1.1. Form a loop at the end of the line.Form a loop at the end of the line.

2.2. With the loop, tie an overhand knot.With the loop, tie an overhand knot.

3.3. Pass the loop through a second Pass the loop through a second time.time.

4.4. Adjust the loop size.Adjust the loop size.

5.5. Lubricate and pull the knot tight.Lubricate and pull the knot tight.

6.6. Trim the end.Trim the end.

When Words are Inefficient:When Words are Inefficient: Surgeon’s End Loop Knot - Surgeon’s End Loop Knot -

IllustratedIllustrated

To Emphasize a Point:To Emphasize a Point: Text Text

““Check your spelling and grammar before Check your spelling and grammar before printing the Final Draft.”printing the Final Draft.”

To Emphasize a Point:To Emphasize a Point:IllustrationIllustration

– Check your spelling and grammar before printing the Final Check your spelling and grammar before printing the Final Draft.Draft.

To Present DataTo Present Data

Meaningful GraphicsMeaningful Graphics

Pick the useful graphic.Pick the useful graphic.

Charts: GraphsCharts: Graphs

Simple, visual representation of dataSimple, visual representation of data

Charts: Bar graphsCharts: Bar graphs

Simple Bar GraphSimple Bar Graph Complex Bar GraphComplex Bar Graph

Charts: Histogram Charts: Histogram

A type of bar chartA type of bar chart Typically used to show Typically used to show

distribution of a data setdistribution of a data set

Charts: Pie chartsCharts: Pie charts

Show relationships among items that total 100%Show relationships among items that total 100%

Standard Pie ChartStandard Pie Chart Exploded Pie ChartExploded Pie Chart

Pie Charts (cont.)Pie Charts (cont.)

What information is missing?What information is missing?

Charts: ScatterplotCharts: Scatterplot

What is the relationship between the time What is the relationship between the time between eruptions and their duration?between eruptions and their duration?

Charts: Box plotCharts: Box plot

Shows a summary Shows a summary of data:of data:– Smallest non-outlier Smallest non-outlier

observationobservation– Lower quartileLower quartile– MedianMedian– MeanMean– Upper QuartileUpper Quartile– Largest non-outlier Largest non-outlier

observationobservation

TablesTables

Useful for presenting dataUseful for presenting data Less visual, better for referenceLess visual, better for reference

Line DrawingLine Drawing

Labeled Line DrawingLabeled Line Drawing

Compare to: PhotographsCompare to: Photographs

AnimationsAnimations

Any questions?Any questions?