Dr Jackson's Research Has Found That the Correlation Between IQ

question 38

Multiple Choice

Dr. Jackson's research has found that the correlation between IQ and head circumference is +.10. From this information, we can conclude that

• A) people with large heads have a higher IQ than people with small heads.
• B) there is a weak relationship between head size and IQ.
• C) people with small heads tend to have a higher IQ than people with large heads.
• D) head circumference is an important predictor of IQ.

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Definitions:

Bushels

A unit of volume that is used to measure quantities of grain, fruit, and other dry commodities, varying in exact measure by product and country.

Microeconomist

An economist who specializes in microeconomics, the study of the behavior of individuals and firms in making decisions on the allocation of limited resources.

Inflation Rate

The speed at which the generic pricing for goods and services elevates, undercutting the force of buying potential.

Macroeconomics

A branch of economics that studies how an economy as a whole functions, including total national income, total levels of employment, and how general price levels are determined.