Because of ethical and reliability concerns, what method did researchers use to determine the efficacy of SIF (supervised injection facility) sites in communities where they were used?
A) Experiment with control group
B) Personal interviews of addicts
C) Survey of users
D) Secondary data comparison

Question

Quizplus · Accepted Answer

Secondary data comparison is the method used to determine the efficacy of SIF sites due to ethical and reliability concerns associated with directly experimenting on or interviewing drug users. This approach involves analyzing existing data from various sources to assess outcomes.

Because of Ethical and Reliability Concerns, What Method Did Researchers