How Well Do Intelligence Tests Predict Performance

question 94

Multiple Choice

How well do intelligence tests predict performance?

• A) IQ scores have a correlation to school performance of +.90.
• B) IQ scores have a correlation to school performance of +.50.
• C) IQ scores predict performance in elementary school well, but do not predict whether people will complete higher education.
• D) IQ scores have little relevance to non-academic aspects of people's lives.

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Definitions:

Short-run Market Supply

The total quantity of goods or services that producers are willing and able to sell at a given price in the market over a short period.

MC Curves

A graphical representation of how the marginal cost of producing one additional unit of a good varies with the quantity produced.

Increasing Cost Industry

An industry where production costs increase as output expands, typically due to factors like resource depletion or increased expenses for inputs.

Long Run

The long run is a period in economic theory during which all factors of production and costs are variable, allowing firms to adjust all inputs to attain desired output levels.