We can design a matched pairs experiment when the data collected are:
A) observational
B) experimental
C) controlled
D) all these
E) none of these

Question

Quizplus · Accepted Answer

Matched pairs experiments are a type of experimental design in which each subject is paired with another subject who is similar in all relevant characteristics except for the independent variable. This design is used to control for individual differences between subjects and to increase the precision of the experiment.

We Can Design a Matched Pairs Experiment When the Data