Mental Measurements Yearbook with Tests in Print Mental Measurements Yearbook with Tests in Print contains reviews of over 3,000 commercially available, English language testing instruments. Reviews contain information about the reliability, validity, and publication details of the testing instruments. A score index that allows users to easily identify what is being measured in individual tests and bibliographic information is also included. Testing instruments fall into many categories such as psychological tests, career inventories, intelligence and aptitude, and personality. There are no full text testing instruments in this database.