Which Statement Is TRUE Regarding the Independent Variable in an Experiment

question 105

Multiple Choice

Which statement is TRUE regarding the independent variable in an experiment?

• A) It is the variable that the experimenter manipulates.
• B) It is the effect that is a constant.
• C) It is the effect in the experiment.
• D) It is the variable that is allowed to vary on its own.

Understand the constant use of alcohol and tobacco despite known dangers.

Recognize the minimal instruction on substance use disorders in nurse training.

Be aware of the daily number of first-time illicit drug users in the U.S.

Know the financial impact of substance use disorders on state budgets.

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Definitions:

Sampling Distribution

The distribution of a statistic over many repeated samples drawn from the same population.

Standard Deviation

A tool for measuring the degree to which data points are scattered or spread apart.

Population Mean

The sum of all values in a population divided by the total number of values.

Judgment Sample

A sampling technique where the samples are chosen based on the judgment of the researcher, rather than random selection.