An Item Difficulty Index Provides

question 13

Multiple Choice

An item difficulty index provides:

• A)the proportion of individuals who got an item incorrect
• B)the number of individuals who got an item incorrect
• C)the proportion of individuals who got an item correct
• D)the number of individuals who got an item correct

---

Definitions:

Income Effect

The change in consumption that results when a price change moves the consumer to a higher or lower indifference curve

Aggregate Demand

Aggregate demand represents the total demand for goods and services within an economy at a given overall price level and in a given time period.

Future Generations

Individuals or populations that will exist in the future, beyond the current members of society, whose interests are considered in long-term policy making.

Budget Deficit

A shortfall of tax revenue from government spending