DrJohansen Randomly Assigned Subjects to Three Different Groups During Her

question 6

Multiple Choice

Dr.Johansen randomly assigned subjects to three different groups during her last experiment.She then proceeded to give all the participants in the experiment a new study technique designed to enhance their learning for the upcoming test.What critical error did she make during her experiment?

• A)She failed to identify the independent variable.
• B)She failed to identify the dependent variable.
• C)She failed to include an experimental group.
• D)She failed to include a control group.

---

Definitions:

Market Interest Rate

The prevailing rate at which borrowers can secure loans and lenders receive returns, determined by supply and demand in the money market.

Autonomous Spending

Spending that does not depend on the current level of national income or output, such as investments, government spending, and exports.

Aggregate Expenditure Line

A graphical representation showing the total planned spending on goods and services at different levels of national income.

Spending Multiplier

A factor by which a change in spending translates into a greater change in income and output throughout the economy.