Research on IQ differences between African American and Caucasian students indicates that
A)the difference between mean IQ scores has been shrinking during the past 25 years
B)the difference between mean IQ scores has been increasing during the past 25 years
C)the difference between mean IQ scores has remained unchanged during the past 25 years
D)it is impossible to compare changes in IQ score between the two ethnic groups because the IQ tests have changed so much during that time

Question

Quizplus · Accepted Answer

Research indicates that the gap in mean IQ scores between African American and Caucasian students has been decreasing over the past 25 years. This trend is attributed to various factors, including improvements in socioeconomic conditions, educational opportunities, and efforts to make IQ tests more culturally fair.

Research on IQ Differences Between African American and Caucasian Students