Historique
U. E. GHITZA ;
D. H. EPSTEIN ;
J. SCHMITTNER ;
VAHABZADEH M. ;
J. L. LIN ;
K. L. PRESTON
|
2007
Dans Journal of Consulting and Clinical Psychology (Vol.75 n°5, 2007) Article : Périodique
Dans Journal of Consulting and Clinical Psychology (Vol.75 n°5, 2007) Article : Périodique
ENGLISH :
To examine the effect of reinforcer density in prize-based abstinence reinforcement, heroin/cocaine users (N = 116) in methadone maintenance (100 mg/day) were randomly assigned to a noncontingent control group (NonC) or to 1 of 3 gro[...]
