The anti-drug campaign in the 1980's encouraged students to "just say no" to put an end to drug use and drug violence. which type of framing did this campaign use?

It used motivational framing. The idea behind it is that it should motivate you to say no to drugs especially since many young adults who try drugs do it because they are pressured into it by their peers. The main idea was that they should say no instead of succumbing to the pressure.