What is an IQ Test? What is an Accurate IQ Test? While people have different cognitive strengths and weaknesses (e.g. language, music, math, visual), consistent correlations between them show us there is a common component to all of these called ‘general intelligence’ or ‘G‘. G is measured with a variety of psychometric assessments including IQ tests, job aptitude tests and university entrance exams. IQ tests are the most reliable (e.g. consistent) and valid (e.g. accurate and meaningful)…