Programs That Provide Materials to Smokers So That They Can

Programs that provide materials to smokers so that they can quit on their own

A) are too haphazard in nature to be successful.
B) have been found to have higher initial quit rates than cognitive-behavioural interventions.
C) have been found to be as successful as cognitive-behavioural interventions in terms of long-term maintenance.
D) have the same impact as cognitive-behavioural interventions but are not as cost effective.
E) have been found to have high long-term relapse rates.