What is the primary reason older cohorts tend to score lower on standardized tests than younger cohorts?

Levels of formal education differ from one generation to another. Older adults tend to have fewer years of schooling compared to younger ones because education was not considered such an important societal value many years ago. This is the primary reason why older cohorts tend to score lower on standardized tests than younger cohorts.

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

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