Dexter is conducting research where he will get information about how children play by observing and measuring the amount of time they play in groups versus alone on a playground. dexter is conducting research.

Based on the scenario above, Dexter is conducting the controlled research. A controlled research is a study that is being conducted in means of having to compare two groups which are the treated and the control group in a way of having to know their similarities and differences based on a particular study.