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NCEH/ATSDR Clear Writing Hub

Testing Tools

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When you’re done writing, use these testing tools to make sure your product is as clear as possible.

Clear Writing Guide
Clear Communication Index

CDC’s Clear Communication Index helps you assess your health materials.

Clear Writing Assessment
Clear Writing Assessment

NCEH/ATSDR’s Clear Writing Assessment helps test if your materials are clear. [PDF – 422 KB]

A Paraphrase Test
Paraphrase Test

A Paraphrase Test will tell you if readers interpret your messages as you intended. [PDF – 136 KB]

Last Reviewed: September 2, 2026
Source: National Center for Environmental Health
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