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 ...

For much of the 20th century, intelligence test scores steadily increased across generations, a trend known as the Flynn Effect. However, researchers say there is growing evidence that this pattern ...

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 ...

Is it the end of the Flynn effect? Decades ago, the researcher James Flynn recognized a secular increase in IQ scores around the world that amounted to humanity getting smarter all the time. Now, ...