Subject Variables Are Characterized by All of the Following Except

question 43

Multiple Choice

Subject variables are characterized by all of the following except

• A) They are neither dependent nor truly independent variables.
• B) They cannot be manipulated or randomly assigned.
• C) They may include gender and ethnicity of participants.
• D) They are essential for field experiments.

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Definitions:

Population Mean

The average of all values in a complete population, representing a central value of a dataset.

Confidence Interval

A range of values, derived from sample statistics, that is believed to contain the value of an unknown population parameter at a certain confidence level.

Population Standard Deviation

A measure of the dispersion or variability of a set of data points in a population.

Sample Size

The number of observations or elements selected from a population for the purpose of statistical analysis.