How Does a Quasi-Experiment Differ from an Ex Post Facto

question 128

Multiple Choice

How does a quasi-experiment differ from an ex post facto design?

• A) In a quasi-experiment, there is more control over the IV than in an ex post facto study.
• B) A quasi-experiment has a measured dependent variable and an ex post facto study does not.
• C) A quasi-experiment has random selection and an ex post facto study does not.
• D) All of the above are differences between a quasi-experiment and an ex post facto design.

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Definitions:

Shielding

The use of materials to protect against harmful radiation by absorbing or blocking it.

X-rays

A form of electromagnetic radiation used in medical imaging to view the inside of the body.

Pb

The chemical symbol for lead, a dense, toxic metal used in various applications.

Echoencephalography

A non-invasive ultrasound technique used to study the brain's structures through the skull, particularly useful for detecting abnormalities.