Asked by Ariana Perez on Jun 26, 2024

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With an ex post facto study, researchers compare two or more groups.

Ex Post Facto Study

A research design where investigators retrospectively examine the effect of a variable on a group, without the ability to manipulate the variable.

  • Discriminate among the characteristics of experimental, correlational, and observational research designs.
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SK
shelby kilroyJun 29, 2024
Final Answer :
True
Explanation :
In an ex post facto study, researchers observe groups that already exist and compare them based on a factor of interest. Therefore, multiple groups are compared in such studies.