In 1938, the British psychologist John C. Raven (1902-1970) published this set of drawings “for measuring intelligence in subjects of all mental ages above 3 years.” The test consists of sixty pages ...

Testing correlation structures has attracted extensive attention in the literature due to both its importance in real applications and several major theoretical challenges. The aim of this paper is to ...

Using switch matrices in complex test and verification installations Introduction A programmable switch matrix is designed to bring automation to an electronic test process by providing an extremely ...