Which of the Following Results from a Sample Size That

question 11

Multiple Choice

Which of the following results from a sample size that is too small?

• A) Low power to detect a difference in the outcomes of the two groups
• B) Lack of control over extraneous variables
• C) Limits to random sampling
• D) A weak intervention

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Definitions:

Negative Returns

A situation in which additional investment or effort results in a decrease in output or performance, contrary to typical expectations for growth or improvement.

Marginal Cost

The additional expenditure involved in producing one further unit of a product or service.

Fixed Cost

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance expenses.

Variable

An element, feature, or factor that is liable to vary or change; used in statistical analysis and experiments.