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Ch 1.2
Term | Definition |
---|---|
Observational Study | Measures the value of the response variable without attempting to influence the value of either the response or explanatory variables |
Designed experiment | assigns the individuals in a study to a certain group |
Confounding | Two or more explanatory variables are not seperated |
Lurking variable | explanatory variable that was not considered in a study |
Census | individuals in a population |