A historical example that illustrates the impact of the social environment on IQ scores is the difference between the 'feebleminded' (based on IQ scores) __________ immigrants early in the 20^th century and their next generation with an above-average IQ. A)Italian-American B)African-American C)Russian-American D)African-Canadian

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The historical example refers to Italian-American immigrants. Early in the 20th century, many immigrants, including those from Italy, were labeled as 'feebleminded' based on flawed IQ tests. However, their next generation often showed significant improvement in IQ scores, illustrating the impact of the social environment on intelligence assessment. This change was attributed to better educational and living conditions, among other factors, rather than inherent intellectual deficiencies.

A Historical Example That Illustrates the Impact of the Social