Standard magnitude prize reinforcers can be as efficacious as larger magnitude reinforcers in cocaine-dependent methadone patients

Journal of Consulting and Clinical Psychology (2015) - Comment
pubmed: 25198284 doi: 10.1037/a0037888 issn: 1939-2117 issn: 0022-006x

Nancy M. Petry, Sheila M. Alessi, Danielle Barry, Kathleen M. Carroll