The general intelligence test was first designed by psychologists for use in schools. These were intended to serve primarily as tools in determining a child’s ability to carry on schools work, to use symbols and numbers quickly and accurately and to read with comprehension. It is for this reason that tests designed to measure abstract abilities came to be known as general intelligence tests. Another purpose of designing such tests was to measure the abilities that distinguishes the bright child from the dull. Since this
128 distinction is significant for schools and vocational success and also for social adjustment, the intelligence testis an important tool in psychology.