Question 2 of 11

Craniometry is a valid science.

... Craniometry is the theory that the size and structure of one's skull indicates one's level of intelligence -- the bigger the skull, the bigger the brain. It was an emerging theory in the late 19th century but was disproved because of its lack of evidence and racial bias.

Question 3 of 11

Human intelligence is solely based on genetics.

... While the answer remains an unsolved mystery, researchers have so far concluded that our intelligence is based on a combination of factors, including heredity as well as our experiences.

Question 4 of 11

Which of the following is NOT an IQ test -- currently or historically?

... The Weinberg Screening Affective Scale is used to screen for bipolar disorder and mania in 7- to 17-year-olds.

Question 5 of 11

Around the world, average IQ scores are increasing by about 3 points per decade over the last several decades. This is known as the ... effect.

... The steady increase of IQ scores in industrialized countries around the world is known as the Flynn effect. American test takers, for example, gained 17 IQ points between 1947 and 2001.

Question 6 of 11

True or false: More astronauts are firstborn children.

... A disproportionate number of astronauts are firstborn children, including 21 out of the first 23 astronauts who blasted into space.

Question 7 of 11

What percentage of school-aged American kids are considered academically gifted?

... The National Association for Gifted Children estimates that there are about 3 million academically gifted American children currently in kindergarten through 12th grade. That's just about 6 percent of the U.S. student population.

Question 8 of 11

'Tabula rasa' literally means 'blank slate'.

... Tabula rasa means blank slate, and it's the theory that we are born with a blank mind ready to be shaped by our personal experiences and sensations.

Question 9 of 11

Who came up with the notion of 'mental age'?

... In 1905, Binet and Simon revolutionized psychological testing and the classroom when they created an intelligence test to identify children with impaired mental abilities.

Question 10 of 11

True or false: Men and women don't have the same intellectual capabilities.

... While research has found that men and women have different types of brain matter, there's no difference in the intellectual abilities between the sexes.

Question 11 of 11

Who is known as the father of intelligence testing?

... Lewis Terman gave us the Stanford-Binet intelligence test, still used today (although now it's in its fifth revision).

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