Gisela Is a Participant in a Study on Sleep

question 118

Multiple Choice

Gisela is a participant in a study on sleep. She is easily awakened by the researcher and reports that she was dreaming. Gisela was most likely in ____.

• A) stage I sleep
• B) stage II sleep
• C) stage IV sleep
• D) REM sleep

---

Definitions:

Output

The aggregate output of products or services generated by a corporation, sector, or economic system.

Price-Taker Market

A market in which sellers have no ability to influence the price of the goods or services they sell; price is determined by supply and demand.

Marginal Cost

The expense associated with manufacturing an extra unit of a product.

Marginal Revenue

The additional income received from selling one more unit of a good or service.