American Psychiatric Association (1994) Diagnostic and Statistical Manual of Mental Disorders, 4th Edn. Washington, DC: American Psychiatric Association.
Baron, RM and Kenny, DA (1986) The moderator-mediator variable distinction in social psychological research: Conceptual, strategic, and statistical considerations. Journal of Personality and Social Psychology 51, 1173–1182.
Beck, AT, Rush, AJ, Shaw, BF and Emery, G (1979) Cognitive Therapy of Depression. New York: Guilford.
Beck, AT, Steer, RA and Brown, GK (1996) Manual for the Beck Depression Inventory – II. San Antonio, TX: Psychological Corporation.
Burns, DD (1980) Feeling Good: The New Mood Therapy. New York, NY: Signet.
Burns, DD and Spangler, DL (2001) Do changes in dysfunctional attitudes mediate changes in depression and anxiety in cognitive behavioral therapy? Behavior Therapy 32, 337–369.
Castonguay, LG, Goldfried, MR, Wiser, S, Raue, PJ and Hayes, AM (1996) Predicting the effect of cognitive therapy for depression: a study of unique and common factors. Journal of Consulting and Clinical Psychology 64, 497–504.
Clark, DA, Beck, AT and Alford, BA (1999) Scientific Foundations of Cognitive Theory and Therapy of Depression. New York: Wiley.
Cole, DA and Maxwell, SE (2003) Testing mediational models with longitudinal data: questions and tips in the use of structural equation modeling. Journal of Abnormal Psychology 112, 558–577.
Covin, R, Dozois, DJ, Ogniewicz, A and Seeds, PM (2011) Measuring cognitive errors: initial development of the Cognitive Distortions Scale (CDS). International Journal of Cognitive Therapy 4, 297–322.
Cuijpers, P, Berking, M, Andersson, G, Quigley, L, Kleiboer, A and Dobson, KS (2013) A meta-analysis of cognitive-behavioural therapy for adult depression, alone and in comparison with other treatments. The Canadian Journal of Psychiatry 58, 376–385.
DeRubeis, RJ, Evans, MD, Hollon, SD, Garvey, MJ, Grove, WM and Tuason, VB (1990) How does cognitive therapy work? Cognitive change and symptom change in cognitive therapy and pharmacotherapy for depression. Journal of Consulting and Clinical Psychology 58, 862–869.
DeRubeis, RJ, Brotman, MA and Gibbons, CJ (2005 a) A conceptual and methodological analysis of the nonspecifics argument. Clinical Psychology: Science and Practice 12, 174–183.
DeRubeis, RJ, Hollon, SD, Amsterdam, JD, Shelton, RC, Young, PR, Salomon, RM, O'Reardon, JP, Lovett, ML, Gladis, MM, Brown, LL and Gallop, R (2005 b) Cognitive therapy vs medications in the treatment of moderate to severe depression. Archives of General Psychiatry 62, 409–416.
Dimidjian, S, Hollon, SD, Dobson, KS, Schmaling, KB, Kohlenberg, RJ, Addis, ME, Gallop, R, McGlinchey, JB, Markley, DK, Gollan, JK and Atkins, DC (2006) Randomized trial of behavioral activation, cognitive therapy, and antidepressant medication in the acute treatment of adults with major depression. Journal of Consulting and Clinical Psychology 74, 658–670.
Dozois, DJ, Bieling, PJ, Patelis-Siotis, I, Hoar, L, Chudzik, S, McCabe, K and Westra, HA (2009) Changes in self-schema structure in cognitive therapy for major depressive disorder: a randomized clinical trial. Journal of Consulting and Clinical Psychology 77, 1078–1088.
First, MB, Spitzer, RL, Gibbon, M and Williams, JBW (1995) Structured Clinical Interview for DSM-IV Axis I Disorders – Patient edition (SCID – IV), version 2. Biometric Research Department, New York State Psychiatric Institute: New York.
Fournier, JC, DeRubeis, RJ, Hollon, SD, Gallop, R, Shelton, RC and Amsterdam, JD (2013) Differential change in specific depressive symptoms during antidepressant medication or cognitive therapy. Behaviour Research and Therapy 51, 392–398.
Fresco, DM, Heimberg, RG, Abramowitz, A and Bertram, TL (2006) The effect of a negative mood priming challenge on dysfunctional attitudes, explanatory style, and explanatory flexibility. British Journal of Clinical Psychology 45, 167–183.
Fresco, DM, Segal, ZV, Buis, T and Kennedy, S (2007) Relationship of posttreatment decentering and cognitive reactivity to relapse in major depression. Journal of Consulting and Clinical Psychology 75, 447–455.
Garratt, G, Ingram, RE, Rand, KL and Sawalani, G (2007) Cognitive processes in cognitive therapy: evaluation of the mechanisms of change in the treatment of depression. Clinical Psychology: Science and Practice 14, 224–239.
Goldsmith, KA, Chalder, T, White, PD, Sharpe, M and Pickles, A (2018) Measurement error, time lag, unmeasured confounding: considerations for longitudinal estimation of the effect of a mediator in randomised clinical trials. Statistical Methods in Medical Research 27, 1615–1633.
Hamilton, M (1960) A rating scale for depression. Journal of Neurology, Neurosurgery, and Psychiatry 23, 56–62.
Hollon, SD and Kendall, PC (1980) Cognitive self-statements in depression: development of an automatic thoughts questionnaire. Cognitive Therapy and Research 4, 383–395.
Kraemer, HC, Wilson, T, Fairburn, CG and Agras, WS (2002) Mediators and moderators of treatment effects in randomized clinical trials. Archives of General Psychiatry 59, 877–883.
Lam, RW, Kennedy, SH, Grigoriadis, S, McIntyre, RS, Milev, R, Ramasubbu, R, Parikh, SV, Patten, SB and Ravindran, AV (2009) Canadian Network for Mood and Anxiety Treatments (CANMAT) Clinical guidelines for the management of major depressive disorder in adults: III. Pharmacotherapy. Journal of Affective Disorders 117, S26–S43.
Leichsenring, F (2001) Comparative effects of short-term psychodynamic psychotherapy and cognitive-behavioral therapy in depression: a meta-analytic approach. Clinical Psychology Review 21, 401–419.
Lemmens, LH, Müller, VN, Arntz, A and Huibers, MJ (2016) Mechanisms of change in psychotherapy for depression: an empirical update and evaluation of research aimed at identifying psychological mediators. Clinical Psychology Review 50, 95–107.
Lemmens, LH, Galindo-Garre, F, Arntz, A, Peeters, F, Hollon, SD, DeRubeis, RJ and Huibers, MJ (2017) Exploring mechanisms of change in cognitive therapy and interpersonal psychotherapy for adult depression. Behaviour Research and Therapy 94, 81–92.
Lorenzo-Luaces, L, German, RE and DeRubeis, RJ (2015) It's complicated: the relation between cognitive change procedures, cognitive change, and symptom change in cognitive therapy for depression. Clinical Psychology Review 41, 3–15.
Ma, SH and Teasdale, JD (2004) Mindfulness-based cognitive therapy for depression: replication and exploration of differential relapse prevention effects. Journal of Consulting and Clinical Psychology 72, 31–40.
MacKinnon, DP (2008) Introduction to Statistical Mediation Analysis. New York, NY: Erlbaum.
MacKinnon, DP, Fairchild, AJ and Fritz, MS (2007) Mediation analysis. Annual Review of Psychology 58, 593–614.
Maxwell, SE and Cole, DA (2007) Bias in cross-sectional analyses of longitudinal mediation. Psychological Methods 12, 23–44.
Miranda, J and Persons, JB (1988) Dysfunctional attitudes are mood-state dependent. Journal of Abnormal Psychology 97, 76–79.
Muthén, LK and Muthén, BO (1998–2017). Mplus User's Guide, 8th Edn. Los Angeles, CA: Muthén & Muthén.
Oei, TPS and Free, ML (1995) Do cognitive behaviour therapies validate cognitive models of mood disorders? A review of the empirical evidence. International Journal of Psychology 30, 145–180.
Quilty, LC, McBride, C and Bagby, RM (2008) Evidence for the cognitive mediational model of cognitive behavioural therapy for depression. Psychological Medicine 38, 1531–1541.
Quilty, LC, Dozois, DJ, Lobo, DS, Ravindran, LN and Bagby, RM (2014) Cognitive structure and processing during cognitive behavioral therapy vs. pharmacotherapy for depression. International Journal of Cognitive Therapy 7, 235–250.
Rosenzweig, S (1936) Some implicit common factors in diverse methods of psychotherapy. American Journal of Orthopsychiatry 6, 412–415.
Segal, ZV, Gemar, M and Williams, S (1999) Differential cognitive response to a mood challenge following successful cognitive therapy or pharmacotherapy for unipolar depression. Journal of Abnormal Psychology 108, 3–10.
Segal, ZV, Kennedy, S, Gemar, M, Hood, K, Pedersen, R and Buis, T (2006) Cognitive reactivity to sad mood provocation and the prediction of depressive relapse. Archives of General Psychiatry 63, 749–755.
Vittengl, JR, Clark, LA, Thase, ME and Jarrett, RB (2014) Are improvements in cognitive content and depressive symptoms correlates or mediators during acute-phase cognitive therapy for recurrent major depressive disorder? International Journal of Cognitive Therapy 7, 251–271.
Warmerdam, L, van Straten, A, Jongsma, J, Twisk, J and Cuijpers, P (2010) Online cognitive behavioral therapy and problem-solving therapy for depressive symptoms: exploring mechanisms of change. Journal of Behavior Therapy and Experimental Psychiatry 41, 64–70.
Weissman, AN and Beck, AT (1978) Developmental validation of the Dysfunctional Attitude Scale. Paper presented at the Annual Meeting of the Association of Advancement of Behavioral Therapy, Chicago.
Whisman, MA (1993) Mediators and moderators of change in cognitive therapy of depression. Psychological Bulletin 114, 248–265.