health warnings unlikely to be effective
But the evidence is that no media campaign based on health warnings is likely to be effective.
So comparing different varieties of campaigns unlikely to be effective doesn't seem very productive.
Comparing varieties of campaigns using themes known to be effective, might be worthwhile.
Evaluation of Antismoking Advertising Campaigns Lisa K. Goldman, MPP; Stanton A. Glantz, PhD. JAMA. 1998;279(10):772-777. doi: 10.1001/jama.279.10.772
Conflict of Interest: