Research on the effectiveness of interventions, and the degree to which fluid intelligence can be increased, especially after age 16, is somewhat controversial.

In an experiment, groups of adults were first assessed using standard tests for fluid intelligence.

The ability to perform abstract reasoning and solve problems you've never seen before is termed fluid intelligence.

He concentrates the fluid intelligence of this sphere, I am told.

This test is designed to measure the fluid intelligence in neurological patients.

It is unclear whether any lifestyle intervention can preserve fluid intelligence into older ages.

Currently, many psychologists believe that the only way to increase fluid intelligence is through direct practice of the tests themselves, rather than by training.

"This practice will exercise fluid intelligence because you'll need to keep several factors in mind at the same time."

Another view is that creativity may be particularly related to fluid intelligence.

The relationship between general knowledge and divergent thinking became non-significant when controlling for fluid intelligence.