I believe the IQ test is a good tool use to measure the intelligence of someone based on how the individual's performances in school or at work. The test is use to measure the intelligence of an individual which gives a score based on the performance of the individual showing the level of understanding of the individual. It gives us a glance as to how the individual will perform compare to their peers and how they will cope in the nearest future.
However, the IQ test only measures a small portion of a person's capacity with how fast they learn and understand their work. But it cannot be used to measure the persons social behavior, emotional state or the person's creativity. Therefore, there is a certain level the IQ test can go in measuring a person's intelligence.
Yes. People with high IQ’s tend to have larger vocabularies, a greater range of knowledge, and quicker understanding. Scoring highly on an IQ test can forecast significantly higher success levels in all areas of life. A high IQ demonstrates that you have had formal schooling. IQ tests measure general intellectual ability in many ways.
IQ testing involves spatial ability, mathematical ability, language ability, and memory ability. IQ tests quantify your ability to understand ideas and not the quantity of your knowledge. It also helps to determine your ability to learn new information. There is a highly positive correlation between IQ and success in school and the workplace. It also displays cognitive skills.