Proof The Bible Is True

By Mike Barrett

Throughout the 20th century, IQ scores steadily climbed. But a one study shows that for the past few decades there has been a downward trend in IQ scores, and “environmental factors” are believed to be one of the causes.

For the study, researchers from the Ragnar Frisch Centre for Economic Research in Norway examined the IQ scores of approximately 730,000 Norwegian men born between 1962 and 1991. They found that IQ scores grew by almost 3 percentage points every decade among men born between 1962 and 1975. However, researchers saw a decline in IQ scores among those born after 1975.

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Source: naturalsociety.com