Which Is Important in Designing a Good Experiment

question 74

Multiple Choice

Which is important in designing a good experiment?
I. Randomization in assigning subjects to treatments.
II. Control of potentially confounding variables.
III. Replication of the experiment on a sufficient number of subjects.

• A) I and III
• B) I, II, and III
• C) I and II
• D) I only
• E) II and III

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Definitions:

Days' Sales

A financial ratio that measures the average time it takes a company to convert its inventory into sales.

Times Interest Earned

A financial ratio that measures a company's ability to meet its debt obligations based on its operating income.

Income Before Tax

A company's earnings before any taxes are applied, reflecting the profitability of the business from its operations.

Interest Expense

The cost incurred by an entity for borrowed funds, typically stated as an annual rate.