What is IQ?
Understanding Intelligence Quotient
IQ, or Intelligence Quotient, is a measure of a person's reasoning ability. It's meant to assess how well someone can use information and logic to answer questions or make predictions.
History of IQ Testing
The concept of IQ was first introduced by German psychologist William Stern in 1912. Modern IQ tests evolved from the work of Alfred Binet, who developed the first practical intelligence test in 1905.
What IQ Tests Measure
IQ tests assess various cognitive abilities including logical reasoning, pattern recognition, spatial awareness, mathematical ability, and verbal comprehension.
What Your Score Means
IQ scores follow a normal distribution with an average of 100. About 68% of the population scores between 85 and 115, while only 2% score above 130.