1. How is IQ tested?
Intelligent quotient is a total score obtained by dividing a person's mental age score (obtained from intelligence test) by person's chronological age. The resulting fraction is multiplied by 100. Various IQ tests include
- Adult intelligence scale
- Wechsler intelligence scale
- Stanford-Binet intelligence scale
- Woodcock-Johnson tests for Cognitive abilities
2. Do IQ tests give accurate results?
IQ tests often give accurate results if proper scales like Adult intelligence scale and Wechsler intelligence scale are used and if they are done at psychology centres by psychometricians. Online IQ test are not accurate.
3. What is a good IQ score?
A good IQ score is any score above 120. An average IQ score is between 80-119 and score below 80 is considered low. A score in between 130-145 is considered to be in gifted range.
4. Can IQ be improved?
Yes, IQ can be improved and it depends upon a number of factors. Regular exercise, improving mental health, education, training, solving complex tasks and experience can improve IQ.
5. Are online IQ tests accurate?
Online tests are not accurate as they are not administered by psychometricians. There are limited number of questions in online IQ tests. Fewer the questions, less accurate the test.