Mental Measurements Yearbook with Tests in Print Mental Measurements Yearbook provides users with a comprehensive guide to over 2,000 contemporary testing instruments. Designed for an audience ranging from novice test consumers to experienced professionals, the MMY series contains information essential for a complete evaluation of test products within such diverse areas as psychology, education, business, and leadership. MMY provides coverage from Volume 9 to the present. Tests in Print (TIP) serves as a comprehensive bibliography to all known commercially available tests that are currently in print in the English language.