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1. 
What percent of people have color blindness?
A.
1-7%
B.
8-12%
C.
15-20%
2. 
True or False: You should avoid using different colors in the interface because not every user can see every color.
A.
True
B.
False
3. 
True or False: Any time you use color to convey information in the interface, you should also use clear, secondary cues to convey the information to those who cannot see the colors presented.
A.
True
B.
False
4. 
True or False: A new fashion should not and need not, however, detract from user-performance.
A.
True
B.
False
5. 
Which are good ways to test your site for use of color?
A.
Zoom in your browser up to 200%
B.
Use an online color blind simulator
C.
Print out a black and white version of the page
D.
Change the contrast settings on your computer to high contrast
E.
Convert all your images to black and white.