American IQ test scores have dropped during a recent 13-year period, a remarkable finding that runs counter to the well-established trend of increasing IQ scores throughout much of the 20th century.

The future may not be as bright. IQ scores have decreased in the US for the first time in decades, new research from scientists at Northwestern University and the University of Oregon suggests. The ...

ATLANTA — A recent study of cognitive analyses says the average intelligence quotient, or IQ, in the United States is about 98. According to the study by NCHStats, based on data from MedicineNet, when ...

University of Iowa researchers found that autistic individuals with a high IQ face an increased risk for suicidal thoughts, according to a recent study. Researchers focused on twice-exceptional youth, ...