In Order to Choose Questions for a Final Version of a Test,the

question 30

Multiple Choice

In order to choose questions for a final version of a test,the examiners created a graph with difficulty on one axis and discriminability on the other.The examiners should use the questions that

• A) fall above the .50-point on the discriminability axis.
• B) fall below the .50 point on the discriminability axis.
• C) fall between .30 and .70 on difficulty and above .30 on discriminability.
• D) fall above the .50 point on discriminability and difficulty.

---

Definitions:

Electricity Generating Plants

Facilities that convert various forms of energy into electrical power, such as coal, natural gas, nuclear, solar, or wind energy.

Fixed Costs

Costs that do not change with the level of output produced, such as rent or salaries.

Operating Costs

Costs associated with the day-to-day running of a business, including rent, utilities, payroll, and raw materials, but excluding capital expenditures and debt service.

U.S. Electricity

Refers to the production, distribution, and consumption of electrical power within the United States.