Explore comprehensive articles about intelligence testing, cognitive assessment, and psychometric principles based on scientific research.
IQ scores are standardized measures of cognitive ability, but what do the numbers actually represent? This comprehensive guide explains IQ score ranges, percentiles, standard deviation, and how to interpret your results accurately.
Understanding the differences between online IQ tests and professional assessments helps you choose the right evaluation method. Learn about accuracy, validity, use cases, and when each is appropriate.
The history of IQ testing spans over a century, from Alfred Binet's first intelligence test to modern assessments like the WAIS. Learn about the evolution of intelligence testing and key developments.
Understanding test validity and reliability is crucial for interpreting IQ test results. Learn how online IQ tests compare to professional assessments and what factors affect accuracy.
IQ tests come in many forms: verbal tests requiring language skills, non-verbal tests using visual patterns, and culture-fair tests minimizing cultural bias. Learn about the different types and when each is most appropriate.
Understanding how IQ tests are scored is crucial for interpreting results. Learn about percentile rankings, standard deviation, norm-referenced scoring, and the statistical methods behind IQ calculations.
What's My IQ?