self-help manuals (ALA+ condition),(b) individualized manuals matched to stage (TTT
condition),(c) interactive expert-system computer reports plus individualized manuals (ITT
condition), or (d) a personalized condition with 4 counselor calls, stage manuals, and
computer reports (PITT condition). Over 18 months, the ITT group's results more than
doubled those of the ALA+ group on abstinence measures. The ALA+ and TTT conditions …