Although the IQs of African American children are 10 to 12 points lower than those of Caucasian children, the difference is within the reaction range of IQs. This indicates that the difference could be caused by all of the following EXCEPT

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Quizplus · Accepted Answer

The statement "the difference is within the reaction range of IQs" means that the variation in IQ scores is normal and expected, and is not necessarily an indication of differences in intelligence or ability. Therefore, genetic programming cannot be identified as a causal factor for the difference in IQ scores between African American and Caucasian children. The other options (low birth weight, inadequate nutrition, high blood levels of lead, and parents who do not read to their children) are all factors that have been shown to impact cognitive development and could potentially contribute to the IQ score difference.

Although the IQs of African American Children Are 10 to 12