An Educational Psychologist Wants to Study the Effectiveness of Using

question 258

Multiple Choice

An educational psychologist wants to study the effectiveness of using the Internet as an instructional method for academic courses. She designs a study in which one group of students is assigned to take a course in a standard classroom with a live instructor. Another group of students is assigned to take the same course over the Internet. The psychologist then compares the course grades for students in each of the two groups. In this case, the instruction method (regular class vs. Internet class) would be considered the

• A)dependent variable
• B)correlational variable
• C)confounding variable
• D)independent variable

---

Definitions:

War On Terrorism

A global military campaign launched by the United States and allied countries to combat terrorism, especially in response to the September 11 attacks.

EOQ Inventory System

The Economic Order Quantity (EOQ) model is a formula used to determine the optimal quantity of inventory to minimize total inventory costs including holding and ordering costs.

Safety Stock

Inventory kept on hand to protect against shortages due to fluctuations in demand or supply.

Carrying Cost

The total cost of holding inventory, including storage, insurance, and taxes, over a certain period.