Dr. Kevin McGrew is the Director of the Institute for Applied Psychometrics (IAP). He received a masters degree in school psychology at Moorhead State University and his doctoral degree in Educational Psychology at the University of Minnesota. He was a practicing school psychologist for 12 years. He spent 10 years as a Professor of Applied […]
intelligent testing
Intelligence is Still Not Fixed at Birth
In 1932, the entire population of Scottish 11-year olds (87, 498 children) took an IQ test. Over 60 years later, psychologists Ian Deary and Lawrence Whalley tracked down about 500 of them and gave them the same test to take again. Here are the results: Some things to note here. Firstly, the correlation is pretty […]
Finding Creativity on IQ Tests
IQ tests have received a very large number of criticisms since their inception. One of the main arguments made against the use of IQ tests is that they don’t measure creativity. But is this true? Surely creativity involves thoughtful reasoning, divergent production, pattern detection, learning, and other skills tapped into by IQ tests. Indeed, recent […]