Once Health Professionals Design a Smoking Intervention That Works on One

Once health professionals design a smoking intervention that works on one campus:

A) the same intervention should work well on another campus in the same state
B) the same intervention should work well on the high school in the same town.
C) the intervention will work exactly the same way with another group of students from the same campus.
D) the intervention may not necessarily work in exactly the same way anywhere else.