Test your IQ with this challenging brain teaser! Spot the odd number hidden in the '101' sequence series within 11 seconds.

This particular use of IQ tests has caused one leader in the field of intelligence research, Robert Sternberg, to refer to IQ testing as “ negative psychology ” in a 2008 article. All Is Not Lost ...

Many online IQ tests come across as little more than digital parlor tricks. Users often end up with vague, unverified results. In other cases, the platforms tell people what they want to hear.

With an IQ test for kids, these tests might get used for placement in classrooms or grade levels. You can find an IQ test for kids online that examines general knowledge.

An IQ score may say more about whether you're a hard worker or a slacker than about how smart you are. And hard work may be at least as important as intelligence in determining who will be a ...

IQ tests measure our vocabulary, ... they say, we are all biologically limited in our intelligence levels. The idea that IQ is fixed for life is built into the questionable politics of IQ testing.