When Designing a Research Study, the Nurse Should Have Which

question 2

Multiple Choice

When designing a research study, the nurse should have which of these understandings about independent and dependent variables?

• A) All research problem statements should contain a dependent and an independent variable.
• B) There should only be one dependent variable associated with a single independent variable.
• C) The relationship between the independent and the dependent variable in any study should be causal.
• D) A given characteristic or situation may be the dependent variable in one study and the independent variable in another.

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Definitions:

Peaked

Describes a distribution that has a sharper or higher peak compared to a normal distribution.

Grouped Frequency Distribution

A method in statistics for organizing data into intervals or groups to display the frequencies of observations within each group.

Intervals

Segments between two points on the number line, often used to specify ranges of values for variables or data.

Equal Size

A condition or record in which groups or data sets have an identical number of elements.