In Research Reported in the Text, African American Children Adopted

question 32

Multiple Choice

In research reported in the text, African American children adopted by upper middle-class White American families

• A)scored the same on IQ tests as African American children raised by their biological parents.
• B)scored the same on IQ tests as African American children adopted by African American families.
• C)scored 15 points higher on IQ tests than would be expected of African American children in general.
• D)scored 15 points higher on IQ tests than White children adopted by African American families.
• E)failed to maintain childhood gains on IQ test scores during adulthood.

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Definitions:

Increase The Sample

An action to add more subjects or observations to the sample being studied to improve the representativeness or reduce the margin of error.

Obtained T Value

The achieved result of a t-test calculation, indicating the difference between groups measured in units of standard error.

Critical Value

The threshold value that a test statistic must exceed in order for the null hypothesis to be rejected in statistical hypothesis testing.

Null Hypothesis

A statement used in statistics that proposes there is no significant effect or difference present between specified populations or factors.