Charles Spearman Inferred the Existence of a G Factor in Intelligence

question 16

Multiple Choice

Charles Spearman inferred the existence of a g factor in intelligence from what observation?​

• A)Most people who do well on one intellectual test also do well on other tests.
• B)​Most people's scores on IQ tests are consistent from one time to another.
• C)​People's IQ scores correlate highly with those of their close relatives.
• D)​People's IQ scores correlate highly with measurements of their brain volume.

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Definitions:

Marginal Cost

The increase in cost resulting from the production of an extra product or service unit.

Marginal Cost

The cost of producing one more unit of a good or service, which may change with the level of output.

Fixed Cost

Expenses that remain constant regardless of production or sales volume, including rent, salaries, and insurance.

Total Cost

The total of all costs associated with producing goods or services, encompassing both constant and fluctuating expenses.