If We Compare the Correlation Between Adopted Children's Intelligence Scores

question 173

Multiple Choice

If we compare the correlation between adopted children's intelligence scores and those of their biological and adoptive mothers, we find that __________.

• A) in both childhood and adolescence, children's intelligence scores are more highly correlated with those of their biological mothers than with those of their adoptive mothers
• B) in both childhood and adolescence, children's intelligence scores are more highly correlated with those of their adoptive mothers than with those of their biological mothers
• C) in childhood, children's intelligence scores are more highly correlated with those of their biological mothers, while in adolescence children's intelligence scores are more highly correlated with those of their adoptive mothers
• D) in childhood, children's intelligence scores are more highly correlated with those of their biological mothers, while in adolescence, their scores are equally correlated with those of their biological and adoptive mothers

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Definitions:

Population Parameters

Numeric characteristics that describe or summarize features of an entire population, such as mean or standard deviation.

Outliers

Data points that differ significantly from other observations in a data set, possibly indicating a variable error or an unusual event.

Sample Proportion

The ratio of participants or units in a sample exhibiting a particular characteristic to the total sample size, often used in statistical analysis.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data points, calculated as the square root of the variance.