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3 Cards in this Set
- Front
- Back
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Experiment |
Treatment is applied to a part of a population and the responses are observed. The researcher in an experiment deliberately influenced the responses |
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Observational study |
Researcher measures the characteristics of interest of a part of the population but does not change existing conditions. Researcher does not influence responses |
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Stratified |
The researcher divides the pop into groups called strata |
