A Tribute by Hans SJÖBERG, Author, IQ Tests & Admin, IQExams.Net IQ is used for educational placement, assessment of intellectual disability, and evaluating job applicants. And we also have small group of people testing IQ and creating test for fun as puzzles, John Culkin belonged to this group. John Culkin, contacted us the first time, … Continue reading A Tribute: John U. Culkin’s work with psychometric tests