Since 1968, CogAT has assessed general, abstract reasoning skills following the universally accepted CHC theory on human cognitive abilities. The latest generation offers a new test design with fresh content, up-to-date national norms, age-based local norms, and much more. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.