In impact analysis,an experimental design is preferred to maximize internal validity.

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An experimental design is preferred in impact analysis because it allows for greater control over variables, which maximizes internal validity. This means that any observed effects can be confidently attributed to the intervention being studied, rather than to other factors. Other types of designs, such as observational or quasi-experimental, may have lower internal validity because they do not provide as much control over extraneous factors.

In Impact Analysis,an Experimental Design Is Preferred to Maximize Internal