You are now thorough with designing and producing information material. But, your job is not yet complete. The material produced by you should be effective in communicating what you intend to communicate . For this purpose you should field test your material i.e you should have a trial. If the material is perfect it is well and good but if there are ambiguities then they had to be clarified. You should therefore know how to test your messages. This lesson also helps you recapitulate the steps in developing the material
Key Steps in Developing and Testing Messages and Materials