Which of the Following Is a Difference Between True Experiments

question 25

Multiple Choice

Which of the following is a difference between true experiments and quasi-experiments?

• A) Quasi-experiments do not use random assignment.
• B) Quasi-experiments do not involve manipulated variables.
• C) Quasi-experiments cannot have comparison groups.
• D) Quasi-experiments cannot have pretest measures.
• E) All of the above are differences between true experiments and quasi-experiments.

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Definitions:

Variance

The average of the squared differences from the mean, used to measure the dispersion or spread of a set of data points.

Dispersion

Measures the spread of a set of data points around their mean or median value.

Standard Deviation

A statistical measure that represents the dispersion or spread of a dataset relative to its mean, indicating how spread out the data points are.

Variance

A measure of the dispersion of a set of data points around their mean; conceptually, it's the average of the squared differences from the Mean.