"The research was very much focused on trying to understand how to change people's attitudes," Wood says, "with the assumption that behavior change would just follow."So researchers studied how to organize public health campaigns, or how to use social pressure to change attitudes. And, says David Neal, another psychologist who looks at behavior change, these strategies did work.Mostly."They do work for a certain subset of behaviors," Neal says. "They work for behaviors that people don't perform too frequently."If you want, for example, to increase the number of people who donate blood, a public campaign can work well. But if you want them to quit smoking, campaigns intended to change attitudes are often less effective.
There it is in black and white.
Sadly the rest of the article isn't quite as enlightening.
Relevant things can be found in almost all stories of this type,too bad I'm not a good writer or I'd have run with this one already.