Which of the Following Is a Factual Statement About Differences

question 24

Multiple Choice

Which of the following is a factual statement about differences in IQ test scores in the United States?

• A)African American children consistently score approximately 25 points lower than white children on IQ tests.
• B)Chinese and Japanese children consistently have higher scores on achievement tests,particularly the math and science sections of the tests.
• C)Differences between African American and other children are apparent in infant measures of intelligence,or on measures of habituation,by the time children are two to three years old.
• D)The size of the difference in IQ scores between African American and white children is steadily increasing.

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Definitions:

Cramér's V

A measure of association between two nominal variables, giving a value between 0 and 1 to indicate the strength of the relationship.

Cramér's V

A quantification of the link between two variables of a nominal type, with a scale from 0 to 1.

Cramér's V

A measure of association between two nominal variables, giving a value between 0 and 1 that indicates the strength of the relationship.

Expected Frequency

The anticipated count in each category of a contingency table under the assumption that the null hypothesis is true, used in chi-square tests.