Most standardized tests of intelligence have a distribution of scores that
A) follows the normal curve.
B) has a positive skew.
C) has a negative skew.
D) appears bimodal with two peaks of high frequency.
E) is bimodal.

Question

Quizplus · Accepted Answer

Most standardized tests of intelligence are designed to follow the normal curve, also known as the bell curve, which means that the majority of test-takers fall within the average range while fewer people fall on either end of the distribution (very low or very high scores). This is because intelligence is believed to be normally distributed within the population.

Most Standardized Tests of Intelligence Have a Distribution of Scores