Examlex
Which item is double-barreled?
Epidemiological Research
The study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to the control of health problems.
Third Variable
A factor that is not directly involved in a research hypothesis but may influence the relationship between the variables being studied.
Correlational Study
A research method that examines the relationship between two or more variables to determine if a correlation exists, without implying causation.
Statistical Significance
Likelihood that a study’s results have occurred only by chance.
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