Background Information Then came World War The us government needed a way to test the intelligence of more than one million army recruits. For this purpose, the group intelligence test was designed. Recruits (R) had to score a certain minimum to be acceptable for service in the us military. And since then it has almost become a sort of routine (Ff) to give recruits an intelligence testBackground Information Then came World War I. The US Government needed a way to test the intelligence of more than one million army recruits. For this purpose, the group intelligence test was designed. Recruits （新兵）had to score a certain minimum to be acceptable for service in the US military. And since then it has almost become a sort of routine （常规）to give recruits an intelligence test