| Systematic reviews and meta-analysis JH Littell Oxford University Press, 2008 | 2166 | 2008 |
| Stages of change: A critique JH Littell, H Girvin Behavior modification 26 (2), 223-273, 2002 | 627 | 2002 |
| Multisystemic therapy for social, emotional, and behavioral problems in youth aged 10–17 JH Littell, M Popa, B Forsythe Campbell Systematic Reviews 1 (1), 1-63, 2005 | 487 | 2005 |
| Putting families first: An experiment in family preservation JR Schuerman, TL Rzepnicki, JH Littell (No Title), 1994 | 344 | 1994 |
| Lessons from a systematic review of effects of multisystemic therapy JH Littell Children and youth services review 27 (4), 445-463, 2005 | 239 | 2005 |
| A multilevel model of client participation in intensive family preservation services JH Littell, EA Tajima Social Service Review 74 (3), 405-435, 2000 | 204 | 2000 |
| Client participation and outcomes of intensive family preservation services JH Littell Social Work Research 25 (2), 103-113, 2001 | 193 | 2001 |
| Client participation: Central and underinvestigated elements of intervention JH Littell, LB Alexander, WW Reynolds Social Service Review 75 (1), 1-28, 2001 | 182 | 2001 |
| Guidance for producing a Campbell evidence and gap map H White, B Albers, M Gaarder, H Kornør, J Littell, Z Marshall, C Mathew, ... Campbell Systematic Reviews 16 (4), e1125, 2020 | 164 | 2020 |
| Evidence-based or biased? The quality of published reviews of evidence-based practices JH Littell Children and Youth Services Review 30 (11), 1299-1317, 2008 | 154 | 2008 |
| What works best for whom? A closer look at intensive family preservation services. JH Littell, JR Schuerman Children and youth services review, 2002 | 147 | 2002 |
| Study quality assessment in systematic reviews of research on intervention effects K Wells, JH Littell Research on social work practice 19 (1), 52-62, 2009 | 125 | 2009 |
| A framework for mandatory impact evaluation to ensure well informed public policy decisions AD Oxman, A Bjørndal, F Becerra-Posada, M Gibson, MAG Block, ... The Lancet 375 (9712), 427-431, 2010 | 124 | 2010 |
| The case for Multisystemic Therapy: Evidence or orthodoxy? JH Littell Children and youth services review 28 (4), 458-472, 2006 | 121 | 2006 |
| Effects of the duration, intensity, and breadth of family preservation services: A new analysis of data from the Illinois Family First experiment JH Littell Children and youth services review 19 (1-2), 17-39, 1997 | 103 | 1997 |
| A Synthesis of research on family preservation and family reunification programs JH Littell Westat, 1995 | 96 | 1995 |
| A systematic review of the factors predicting the interest in cosmetic plastic surgery P Milothridis, L Pavlidis, AB Haidich, E Panagopoulou Indian Journal of Plastic Surgery 49 (03), 397-402, 2016 | 91 | 2016 |
| Evidence synthesis International (ESI): position statement D Gough, P Davies, G Jamtvedt, E Langlois, J Littell, T Lotfi, E Masset, ... Systematic Reviews 9, 1-9, 2020 | 88 | 2020 |
| The role of systematic reviews and the Campbell Collaboration in the realization of evidence-informed practice A Shlonsky, E Noonan, JH Littell, P Montgomery Clinical Social Work Journal 39, 362-368, 2011 | 82 | 2011 |
| Caregivers’ readiness for change: Predictive validity in a child welfare sample JH Littell, H Girvin Child Abuse & Neglect 29 (1), 59-80, 2005 | 74 | 2005 |
