It is common that many people today take the IQ test because they want to know how intelligent they are. However, due to the rule of thumb, some others have a reasonable doubt if the IQ test can provide them exactly what the intelligence level of an individual. To determine how accurate the IQ test is, we should start to learn something about it.
One of very first scientists to introduce this IQ Test is Sir Frances Galton, a renowned British scientist at that time. He conducted research and compared the difference among people according to their capabilities on accomplishing given tasks. His study made him believe that there was a mean which can measure intelligence of human beings. Following Galton, Alfred Binet, a French psychologist, developed a different form of this IQ test. Binet, along with Theodore Simon, developed various tests for testing memory, reasoning, practical knowledge, vocabulary and problem-solving skills. The difference between Galton's IQ test and Binet-Simon’s IQ test was that Binet-Simon’s was more accurate for predicting an individual’s academic success, and until now it is still the standard formula of the IQ test today. Henry Goddard was the one brought this IQ test to the
Back to the matter mentioned, how accurate is the IQ test? We often ask ourselves why those who do well in class cannot do the same in the IQ test and those who are not very bright in class can get a very high IQ test score. The answer is that some are better at reasoning and logic, while others are smarter as it comes to memory skills. In addition, due to the wide range of subjects in school examinations, it is very difficult to judge the general intelligence of an individual.