A Researcher Is Interested in Examining the Effect That Participation

Multiple Choice

A researcher is interested in examining the effect that participation in D.A.R.E. has on future drug use. In her experiment, she identifies one student who has completed the D.A.R.E. program and matches the student to another who is similar in most respects except he or she has not completed D.A.R.E. This is an example of ______.

A) randomization
B) random selection
C) individual matching
D) aggregate matching