Business, 11.10.2019 19:00 erinleyanne

What is the difference between internal validity and external validity? a. a statistical analysis is said to have internal validity if the statistical inferences about causal effects can only be verified by a few researchers. the analysis is said to have external validity if conclusions can be verified by many researchers. b. a statistical analysis is said to have external validity if the statistical inferences about causal effects are valid for the population being studied. the analysis is said to have internal validity if conclusions can be generalized to other populations and settings. c. a statistical analysis is said to have internal validity if the statistical inferences about causal effects are valid for the population being studied. the analysis is said to have external validity if conclusions can be generalized to other populations and settings. d. internal validity and external validity are equivalent.

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