Distributions of IQ scores are normally distributed because
A) the underlying quality being tested - intelligence - is normally distributed
B) IQ tests are designed to produce in normal distributions
C) there is no cultural bias in the tests
D) they reflect the natural distribution of intelligence: human beings are genetically programmed to have an average intelligence of about 100.

Question

Quizplus · Accepted Answer

IQ tests are specifically designed to produce scores that fit a normal distribution, with a mean of 100 and a standard deviation of 15, to facilitate comparison across populations.

Distributions of IQ Scores Are Normally Distributed Because