| Drug abuse treatment process components that improve retention DD Simpson, GW Joe, GA Rowan-Szal, JM Greener Journal of substance abuse treatment 14 (6), 565-572, 1997 | 506 | 1997 |
| Drug abuse treatment retention and process effects on follow-up outcomes DD Simpson, GW Joe, GA Rowan-Szal Drug and alcohol dependence 47 (3), 227-235, 1997 | 495 | 1997 |
| Contingency management in outpatient methadone treatment: a meta-analysis JD Griffith, GA Rowan-Szal, RR Roark, DD Simpson Drug and alcohol dependence 58 (1-2), 55-66, 2000 | 414 | 2000 |
| Program diversity and treatment retention rates in the Drug Abuse Treatment Outcome Study (DATOS). DD Simpson, GW Joe, KM Broome, ML Hiller, K Knight, GA Rowan-Szal Psychology of Addictive Behaviors 11 (4), 279, 1997 | 388 | 1997 |
| Client engagement and change during drug abuse treatment DD Simpson, GW Joe, G Rowan-Szal, J Greener Journal of Substance Abuse 7 (1), 117-134, 1995 | 344 | 1995 |
| Measuring patient attributes and engagement in treatment GW Joe, KM Broome, GA Rowan-Szal, DD Simpson Journal of substance abuse treatment 22 (4), 183-196, 2002 | 302 | 2002 |
| Relationships between counseling rapport and drug abuse treatment outcomes GW Joe, DD Simpson, DF Dansereau, GA Rowan-Szal Psychiatric services 52 (9), 1223-1229, 2001 | 214 | 2001 |
| Gender differences at admission and follow-up in a sample of methadone maintenance clients LR Chatham, ML Hiller, GA Rowan-Szal, GW Joe, DD Simpson Substance use & misuse 34 (8), 1137-1165, 1999 | 209 | 1999 |
| Influence of organizational functioning on client engagement in treatment JM Greener, GW Joe, DD Simpson, GA Rowan-Szal, WEK Lehman Journal of substance abuse treatment 33 (2), 139-147, 2007 | 124 | 2007 |
| Chlordiazepoxide and the determinants of negative contrast CF Flaherty, PS Grigson, GA Rowan Animal Learning & Behavior 14 (3), 315-321, 1986 | 114 | 1986 |
| Counselor assessments of training and adoption barriers NG Bartholomew, GW Joe, GA Rowan-Szal, DD Simpson Journal of substance abuse treatment 33 (2), 193-199, 2007 | 111 | 2007 |
| Successive, simultaneous, and anticipatory contrast in the consumption of saccharin solutions. CF Flaherty, GA Rowan Journal of Experimental Psychology: Animal Behavior Processes 12 (4), 381, 1986 | 107 | 1986 |
| Services provided during methadone treatment: A gender comparison GA Rowan-Szal, LR Chatham, GW Joe, DD Simpson Journal of substance abuse treatment 19 (1), 7-14, 2000 | 103 | 2000 |
| Linking the elements of change: Program and client responses to innovation DD Simpson, GW Joe, GA Rowan-Szal Journal of substance abuse treatment 33 (2), 201-209, 2007 | 97 | 2007 |
| Texas Christian University (TCU) short forms for assessing client needs and functioning in addiction treatment DD Simpson, GW Joe, K Knight, GA Rowan-Szal, JS Gray Journal of Offender Rehabilitation 51 (1-2), 34-56, 2012 | 94 | 2012 |
| A simple reinforcement system for methadone clients in a community-based treatment program G Rowan-Szal, GW Joe, LR Chatham, DD Simpson Journal of substance abuse treatment 11 (3), 217-223, 1994 | 81 | 1994 |
| Integrative modeling of client engagement and outcomes during the first 6 months of methadone treatment GW Joe, DD Simpson, JM Greener, GA Rowan-Szal Addictive Behaviors 24 (5), 649-659, 1999 | 78 | 1999 |
| Anticipatory contrast: Within-subjects analysis CF Flaherty, GA Rowan Animal Learning & Behavior 13 (1), 2-5, 1985 | 75 | 1985 |
| Modeling year 1 outcomes with treatment process and post-treatment social influences DD Simpson, GW Joe, JM Greener, GA Rowan-Szal Substance Use & Misuse 35 (12-14), 1911-1930, 2000 | 73 | 2000 |
| Importance of identifying cocaine and alcohol dependent methadone clients GA Rowan-Szal, LR Chatham, DD Simpson American Journal on Addictions 9 (1), 38-50, 2000 | 68 | 2000 |
