The Wechsler Preschool and Primary Scale of Intelligence (WPPSI ... An IQ test measures a person's reasoning ability. Most IQ test scores are determined using a baseline score of 100, the average ...

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.

University of Liverpool provides funding as a founding partner of The Conversation UK. London School of Economics and Political Science provides funding as a member of The Conversation UK. Most adults ...

Do all Americans go through a process of dumbening? IQ scores in the US are on the wane for the first time ever — and experts are saying that technology is to blame. A report from 2023 revealed the ...

Trends of 35-item composite ICAR scores stratified by education. Note. Data collection for the category "currently in graduate or professional school" did not start until August 2010. The dashed lines ...