Charles Darwin was the inspiration behind Sir Francis Galton who led to the creation of psychometrics. In 1859, Darwin published his book "The Origin of Species", which pertained to individual differences in animals.
It was Sir Francis who showed that objective testing could provide meaningful scores. Another pioneer was James Cattell, who first coined the term 'mental test' in 1890. Fifteen years later, Alfred Binet introduced the first modern intelligence test.
Is an online based test of 90 minutes which is specifically based on parameters of RAISEC theory: