Welcome to the Admap/Warc Pre-testing buyers' guide.

The entries featured in this guide are listed alphabetically in the lefthand menu. Each entry consists of a description of the company and its services, detailing some or all of the following:

• company philosophy
• distinctive features
• measures
• sample design and method
• how finished material needs to be
• interpretation of findings
• evidence of predictive validity
• international availability
• further information
• contact details