Explain the Completely Randomized Design

question 25

Multiple Choice

Explain the Completely Randomized Design
-A drug company wanted to test a new acne medication. The researchers found 500 adults aged 25-35 and randomly assigned them to two groups. The first group received the new drug, while the second received a placebo. After one month of treatment, the percentage of each group whose acne symptoms decreased was recorded and compared. What type of experimental design is this

• A) completely randomized design
• B) randomized block design
• C) matched-pairs design
• D) single-blind design

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Definitions:

Discount Rate

The interest rate used to discount future cash flows to their present values, providing a measure of the time value of money.

Cash Inflows

Money that enters a business from various sources, contributing to its revenue or capital.

Required Rate

The minimum expected rate of return on an investment, setting a benchmark for acceptable investment performance.

Marginal Tax Rate

The rate at which the last dollar of income is taxed, demonstrating the percentage of tax applied to your next dollar of income.