When IQ scores are plotted on a graph, they typically follow a bell-shaped curve, often called the bell curve. The peak of ...

A new report linking fluoridated drinking water to lower IQ scores in children is sure to ratchet up the debate over a practice that’s considered one of the greatest public health achievements ...

Is this legitimate? The chart is based on a 2006 study conducted by University of California, Davis psychologist Dean Keith Simonton, Snopes.com reports. As IQ scores were not available for most of ...

The IQ is a measure of intelligence designed to classify the population into different groups. In this classification, 98 percent of people score between 70 and 130, and 50 percent score between 90 ...