Average IQ varies depending on geographic location, resource access, and much more.

Intelligence Quotient (IQ) tests have intrigued people for decades as a way to measure cognitive abilities. This article delves into the origins, evolution, applications, and significance of IQ tests, ...

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 ...

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 ...