The finding that average intelligence scores have increased over the past century in the United States and other industrialized countries illustrates which concept?

The correct answer to the following question will be "The Flynn effect".

Explanation:

A 2017 analysis of 75 knowledge consulting specialists indicated four main triggers of this effect:

The improvement in Intelligence ratings could be partly attributed to advancements in education and job training quality as per the Flynn effect theory. Moreover, people would read quite, and new tech-computers, the internet-is pushing people to consider more analytically.

Therefore, it's the right answer.

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