A Northwestern University study shows a decline in three key intelligence testing categories—a tangible example of what is called the Reverse Flynn Effect. Leading up to the 1990s, IQ scores were ...

IQs appear to be falling, and social media can lead to attentional fragmentation, reduced deep reading, and cognitive offloading, which may all reduce IQ scores.

The 20th century witnessed a dramatic increase in IQ, as much as 3 points per decade (see Are you smarter than Aristotle? Part I). The fact that IQ scores increased so much in such a short amount of ...

Just over a hundred years ago, the Binet IQ test was developed in France and soon after, brought to the United States, where it was given to public school kids, physicians, and immigrants at Ellis ...

In the 20th century, the ' Flynn effect ' was observed, in which average IQ test scores increased with each generation. However, in recent years, the opposite, the ' reverse Flynn effect,' where ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

There is a little-known phenomenon known as the Flynn effect. It basically states that from the early 1930s throughout the 20th century, IQ scores have significantly increased all around the world ...