Which of the following study designs can determine a cause-and-effect relationship?
Option #1: an observational study
Option #2: an experimental study
Option #3: a survey
(1 point)
Option #
can determine a cause and effect relationship.
Option #1: an observational study
Option #2: an experimental study
Option #3: a survey
(1 point)
Option #
can determine a cause and effect relationship.