Barth, J, Munder, T, Gerger, H, Nuesch, E, Trelle, S, Znoj, H, Juni, P, Cuijpers, P (2013). Comparative efficacy of seven psychotherapeutic interventions for patients with depression: a network meta-analysis. PLoS Medicine 10, e1001454.
Bergin, AE, Lambert, MJ (1971). The evaluation of therapeutic outcomes. In Handbook of Psychotherapy and Behavior Change (ed. Garfield, SL and Bergin, AE), pp. 139–189. Wiley: New York.
Borenstein, M, Hedges, LV, Higgins, JPT, Rothstein, HR (2009). Introduction to Meta-Analysis. Wiley: Chichester, UK.
Cuijpers, P (2016 a). Are all psychotherapies equally effective in the treatment of adult depression? The lack of statistical power of comparative outcome studies. Evidence Based Mental Health, ebmental–2016.
Cuijpers, P, van Straten, A, Warmerdam, L, Andersson, G (2008 a). Psychological treatment of depression: a meta-analytic database of randomized studies. BMC Psychiatry 8, 36.
Cuijpers, P, van Straten, A, Andersson, G, van Oppen, P (2008 b). Psychotherapy for depression in adults: a meta-analysis of comparative outcome studies. Journal of Consulting and Clinical Psychology 76, 909–922.
Cuijpers, P, Driessen, E, Hollon, SD, van Oppen, P, Barth, J, Andersson, G (2012). The efficacy of non-directive supportive therapy for adult depression: a meta-analysis. Clinical Psychology Review 32, 280–291.
Cuijpers, P, Turner, EH, Koole, SL, van Dijke, A, Smit, F (2014). What is the threshold for a clinically relevant effect? The case of major depressive disorders. Depression and Anxiety 31, 374–378.
Cuijpers, P, Karyotaki, E, Andersson, G, Li, J, Mergl, R, Hegerl, U (2015). The effects of blinding on the outcomes of psychotherapy and pharmacotherapy for adult depression: a meta-analysis. European Psychiatry 30, 685–693.
Cuijpers, P, Cristea, IA, Karyotaki, E, Reijnders, M, Huibers, MJ (2016 a). How effective are cognitive behavior therapies for major depression and anxiety disorders? A meta-analytic update of the evidence. World Psychiatry 15, 245–258.
Cuijpers, P, Donker, T, Weissman, MM, Ravitz, P, Cristea, IA (2016 b). Interpersonal psychotherapy for mental health problems: a comprehensive meta-analysis. American Journal of Psychiatry 173, 680–687.
Driessen, E, Hegelmaier, LM, Abbass, AA, Barber, JP, Dekker, JJM, Van, HL, Jansma, EP, Cuijpers, P (2015 a). The efficacy of short-term psychodynamic psychotherapy for depression: a meta-analysis update. Clinical Psychology Review 42, 1–15.
Driessen, E, Hollon, SD, Bockting, CLH, Cuijpers, P, Turner, EH (2015 b). Does publication bias inflate the apparent efficacy of psychological treatment for major depressive disorder? A systematic review and meta-analysis of us national institutes of health-funded trials. PLoS ONE 10, e0137864.
Duval, S, Tweedie, R (2000). Trim and fill: a simple funnel-plot-based method of testing and adjusting for publication bias in meta-analysis. Biometrics 56, 455–463.
Eysenck, HJ (1952). The effects of psychotherapy: an evaluation. Journal of Consulting Psychology 16, 319–324.
Furukawa, TA (1999). From effect size into number needed to treat. The Lancet 353, 1680.
Furukawa, TA, Noma, H, Caldwell, DM, Honyashiki, M, Shinohara, K, Imai, H, Chen, P, Hunot, V, Churchill, R (2014). Waiting list may be a nocebo condition in psychotherapy trials: a contribution from network meta-analysis. Acta Psychiatrica Scandinavica 130, 181–192.
Glass, GV. (1977). 9: Integrating findings: the meta-analysis of research. Review of Research in Education 5, 351–379.
Gold, SM, Enck, P, Hasselmann, H, Friede, T, Hegerl, U, Mohr, DC, Otte, C (2017). Control conditions for randomised trials of behavioural interventions in psychiatry: a decision framework. The Lancet Psychiatry 4, 725–732.
Higgins, JPT, Green, S (2011). Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 [updated March 2011]. The Cochrane Collaboration.
Higgins, JPT, Altman, DG, Gøtzsche, PC, Jüni, P, Moher, D, Oxman, AD, Savović, J, Schulz, KF, Weeks, L, Sterne, JAC (2011). The Cochrane Collaboration's tool for assessing risk of bias in randomised trials. BMJ 343, d5928.
Hunt, M. (1997). How Science Takes Stock: The Story of Meta-Analysis. Russell Sage Foundation: New York.
Jakobsen, JC, Katakam, KK, Schou, A, Hellmuth, SG, Stallknecht, SE, Leth-Møller, K, Iversen, M, Banke, MB, Petersen, IJ, Klingenberg, SL, Krogh, J, Ebert, SE, Timm, A, Lindschou, J, Gluud, C (2017). Selective serotonin reuptake inhibitors versus placebo in patients with major depressive disorder. A systematic review with meta-analysis and Trial Sequential Analysis. BMC Psychiatry 17, 58.
Karyotaki, E, Kleiboer, A, Smit, F, Turner, DT, Pastor, AM, Andersson, G, Berger, T, Botella, C, Breton, JM, Carlbring, P, Christensen, H, de Graaf, E, Griffiths, K, Donker, T, Farrer, L, Huibers, MJH, Lenndin, J, Mackinnon, A, Meyer, B, Moritz, S, Riper, H, Spek, V, Vernmark, K, Cuijpers, P (2015). Predictors of treatment dropout in self-guided web-based interventions for depression: an ‘individual patient data’ meta-analysis. Psychological Medicine 45, 2717–2726.
Laupacis, A, Sackett, DL, Roberts, RS (1988). An assessment of clinically useful measures of the consequences of treatment. The New England Journal of Medicine 318, 1728–1733.
Levkovitz, Y, Tedeschini, E, Papakostas, GI (2011). Efficacy of antidepressants for dysthymia: a meta-analysis of placebo-controlled randomized trials. The Journal of Clinical Psychiatry 72, 509–514.
Luborsky, L, Singer, B, Luborsky, L (1975). Comparative studies of psychotherapies: is it true that everyone has won and all must have prizes? Archives of General Psychiatry 32, 995–1008.
Mohr, DC, Spring, B, Freedland, KE, Beckner, V, Arean, P, Hollon, SD, Ockene, J, Kaplan, R (2009). The selection and design of control conditions for randomized controlled trials of psychological interventions. Psychotherapy and Psychosomatics 78, 275–284.
Moncrieff, J, Kirsch, I (2015). Empirically derived criteria cast doubt on the clinical significance of antidepressant-placebo differences. Contemporary Clinical Trials 43, 60–62.
Moncrieff, J, Wessely, S, Hardy, R (1998). Meta-analysis of trials comparing antidepressants with active placebos. The British Journal of Psychiatry 172, 227–231.
Smith, ML, Glass, GV (1977). Meta-analysis of psychotherapy outcome studies. American Psychologist 32, 752–760.
Smith, ML, Glass, GV, Miller, TI (1980). The Benefits of Psychotherapy. Johns Hopkins University Press: Baltimore, Maryland.
Turner, EH, Matthews, AM, Linardatos, E, Tell, RA, Rosenthal, R (2008). Selective publication of antidepressant trials and its influence on apparent efficacy. The New England Journal of Medicine 358, 252–260.
van Assen, MA, van Aert, R, Wicherts, JM (2015). Meta-analysis using effect size distributions of only statistically significant studies. Psychological Methods 20, 293–309.