Overview of Experimental Research

What is experimental research?

Key Points

  • An experimental (or intervention) study is a study where the exposure or treatment is controlled by the investigator.
  • Experimental studies provide evidence to support or refute the existence of a cause-effect relationship.
  • There are different types of experimental study designs.  One is the randomized controlled trial (RCT) which is considered the “gold standard” of experimental studies.

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