Emphasize Ideas .Display abstract ideas in concrete,

geometric shapes .Condense .Dramatize .Compare large amount of data .Indicate trend .Convey reality .Show internal parts .Depict relationships

Analyze the context and choose appropriate type Function of visual Data Reader and purpose Medium Facility

Design the visual Select appropriate scales. Don’t clutter the visual. Label parts neatly. Make lettering readable. Provide keys, legends. Number visuals if there is more than one. Title it. Indicate sources. Choose appropriate colors. Consult an illustrator/graphic artist if there is

one.

Incorporate the visual in the text. Placing it on a page Close to the context App. use of white space around Not buried the visual in text Aligned with text. Referring to it Interpreting it

Vector programs Illustrator Corel Draw Visio

Raster programs Photoshop

Graphic utilities Screen-capture programs

Attracts attention and creates interest .Provides information clearly, quickly .Helps users comprehend information .Helps users retain information

Create graphics to support readers’ mental task

.Identify design principles that help create such graphics

.Don’t decorate thin data or complicate complex data (avoid ”chartjunk”)

The Cognitive Style of PowerPoint 2003 .Visual Explanations: Images and

Quantities, Evidence and Narrative 1997 .Visual and Statistical Thinking: Displays

of Evidence for Making Decisions 1997 .Envisioning Information 1990 .The Visual Display of Quantitative

Information 1983