This is a resource to help you test your messages. It is designed for cam- paigners who have little or no experience with message testing. You can use this guide if you’re working with a research company and want to be able to explain what you need and make sense of what they provide. You can also use it to get more involved in testing messages yourself. How To Test Your Communications is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License by the Public Interest Research Centre. We actively encourage reproduction in all forms, by all means electronic, mechanical, recording or otherwise.