This is best defined as research to measure causality by changing one or more variables in order to see the effects on another variable.

Question

Quizplus · Accepted Answer

Experimentation involves changing one or more variables to see the effects on another variable, which is consistent with the definition provided. The other choices - statistical analysis, benchmarking, predictive modeling, and tinkering - do not necessarily involve changing variables to establish causality.

This Is Best Defined as Research to Measure Causality by Changing