A Nurse Researcher Would Decide to Use a Retrospective or Ex

question 15

Multiple Choice

A nurse researcher would decide to use a retrospective or ex post facto study for which reason?

• A) Obtaining informed consent is not an important issue.
• B) There is maximal opportunity to manipulate the independent variable.
• C) The dependent variable is measured at multiple times to examine maturation.
• D) The dependent variable has already been affected by the independent variable.

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Definitions:

Scores

Quantitative measurements or evaluations used to reflect the performance, ability, or other attributes of an individual or entity.

Standard Deviation

A measure that quantifies the variation or dispersion of a set of data points around their mean, indicating how spread out the data points are.

Sample Size

The number of individual observations or data points used in a statistical sample.

Variance

A measure of the dispersion or spread of a set of data points, indicating how far each data point in the set is from the mean.