IQ scores for a population-based sample usually fall into a __________ or __________ curve, in which most people fall near the middle and the proportions decrease at the low and high extremes.

Question

Quizplus · Accepted Answer

The terms "normal distribution" and "bell curve" are interchangeable and refer to a specific type of distribution in which most scores fall near the mean and the proportions decrease as one moves away from the mean in either direction. This is commonly observed in IQ scores and many other psychological and scientific measurements. Choice B, C, and D do not accurately describe the typical distribution of IQ scores.

IQ Scores for a Population-Based Sample Usually Fall into a __________