We can design a matched pairs experiment when the data collected are:
A) observational.
B) experimental.
C) controlled.
D) All these choices are correct.

Question

Quizplus · Accepted Answer

Matched pairs experiments are a type of controlled experiment in which the subjects are matched on one or more characteristics before being assigned to different treatment groups. This helps to ensure that the groups are comparable and that any differences between them are due to the treatment, not to other factors. Matched pairs experiments can be used to collect either observational or experimental data.

We Can Design a Matched Pairs Experiment When the Data