Since the Invention of IQ Tests, Psychologists Have Periodically Rewritten

question 210

Multiple Choice

Since the invention of IQ tests, psychologists have periodically rewritten the tests and intentionally made the test more difficult. Why?

• A) to prevent cheating
• B) to keep the mean score from rising above 100
• C) because the tests are now being used for different purposes than they were in the past
• D) because low IQ scores have greater reliability than high scores do

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Definitions:

Public Good

Goods or services that are made available to the entire society for free, by the government or a private organization or individual, not aimed at generating profit.

Common Resource

A type of good that is rivalrous but non-excludable, meaning its use by one individual diminishes its availability for others, but no one can be effectively excluded from using it.

Overuse

Utilization of a resource or service to an extent that exceeds its sustainable capacity.

Nonrival

A property of certain goods where one person's consumption does not diminish the availability of the good for others.