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The posttest-only control group most closely represents which preexperimental design?
Line
In geometry, a line is an infinitely thin, infinitely long collection of points extending in two opposite directions.
Retrospective Study
A research method that examines historical data from past records to study outcomes or disease progression.
Prospective Study
An observational study in which participants are followed over time to observe outcomes, such as the development of a disease.
Correlational Study
A research method that examines the relationship between two or more variables to determine if they move together in any way.
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