Some Hereditarians Have Been Fearful That Higher Twentieth-Century Birth Rates

question 43

Multiple Choice

Some hereditarians have been fearful that higher twentieth-century birth rates among those with lower intelligence scores would shove average intelligence scores progressively downward. This fear has been most directly alleviated by the discovery of

• A) the normal curve.
• B) the g factor.
• C) emotional intelligence.
• D) the Flynn effect.

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Definitions:

Two-Tailed

Refers to a type of statistical test that considers both directions of differences or effects, allowing for testing for either an increase or a decrease.

Pearson Correlation

A coefficient that measures the linear correlation between two variables X and Y, giving a value between -1 and 1.

Coefficient

A multiplicative factor in mathematical expressions, often used to describe the relationship between variables in statistical models.

Research Hypothesis

Statement regarding an expected or predicted relationship between variables.