Some IQ Tests Have a Standard Deviation of 16 Points

question 56

Multiple Choice

Some IQ tests have a standard deviation of 16 points. If an experimental procedure produced an increase of 3.2 IQ points, the effect size would represent a __________ effect size.

• A)small
• B)medium
• C)large
• D)extra large

---

Definitions:

Unrealized Gains

Profits that have been made on paper through investments but have not yet been realized through the sale of those assets.

Common Stock

A type of ownership in a corporation, typically with voting rights and participation in dividends.

Retained Earnings

The portion of a company's profits that is kept or retained rather than distributed to shareholders or used for investment.

Other Revenues and Gains

Accounts that record income from activities that are not part of a business's core operations.