If You Tested 1,000 Infants on a Valid Test That

question 2

Multiple Choice

If you tested 1,000 infants on a valid test that generated a DQ, what expectation would you have concerning the correlation between the DQ and an IQ taken when these individuals reach age 20?

• A) Expected correlation around 0
• B) Expected correlation around +.5
• C) Expected correlation around -1.0
• D) Expected correlation around +1.0

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Definitions:

Few Firms

A market structure characterized by a small number of companies dominating the industry, often leading to oligopolistic competition.

Optimal Strategy

A method or plan chosen to bring about a desired future, such as achievement of a goal or solution to a problem, where the choice is made to maximize effectiveness or efficiency.

Oligopolists

Firms that are part of an oligopoly, possessing significant market power which allows them to influence the market's prices, output, and overall conditions.

Unique Product

A good or service that is distinct from others in the market due to its unique features, design, or branding.