The Subjects in the Experimental Group Receive the Experimental Drug

question 194

Multiple Choice

The subjects in the experimental group receive the experimental drug, while the subjects in the control group receive a placebo. Although the experimenter knows which subjects are in the experimental group and which are in the control group, the subjects themselves do not know who is in which group or who received the real drug and who the placebo. This experimenter is using

• A)a double-blind study to control for researcher bias.
• B)a single-blind study to control for research participant bias.
• C)random selection to control the extraneous variables.
• D)random assignment to control the dependent variables.

---

Definitions:

Cash Outlay

The total amount of money spent on a particular purchase or investment.

Alternative Investments

Investments in asset classes other than stocks, bonds, and cash, such as real estate, hedge funds, or commodities.

Differential Cost

The variance in price between two different choices or alterations in production volumes.

Manufacturing Operations

The processes and activities involved in the production of goods, typically in a factory setting, involving the conversion of raw materials into finished products.