Hostname: page-component-cd9895bd7-gbm5v Total loading time: 0 Render date: 2024-12-29T01:53:45.220Z Has data issue: false hasContentIssue false
  • English
  • Français

Jumping to negative conclusions – a case of study-gathering bias?

A reply by the developers of metacognitive training (MCT) to the meta-analysis of van Oosterhout et al. (2015)

Published online by Cambridge University Press:  22 October 2015

S. Moritz ,
D. Werner ,
M. Menon ,
R. P. Balzan  and
T. S. Woodward
S. Moritz*
Affiliation:
Department of Psychiatry and Psychotherapy, University Medical Center Hamburg, Hamburg, Germany
D. Werner
Affiliation:
Department of Psychological Methods and Statistics, University of Hamburg, Hamburg, Germany
M. Menon
Affiliation:
Department of Psychiatry, University of British Columbia, Vancouver, British Columbia, Canada
R. P. Balzan
Affiliation:
School of Psychology, Flinders University, Adelaide, South Australia, Australia
T. S. Woodward
Affiliation:
Department of Psychiatry, University of British Columbia, Vancouver, British Columbia, Canada BC Mental Health and Addictions Research Institute, Provincial Health Services Authority, Vancouver, British Columbia, Canada
*
*Address for correspondence: S. Moritz, Department of Psychiatry and Psychotherapy, University Medical Center Hamburg, Hamburg, Germany. (Email: [email protected])
Get access Rights & Permissions [Opens in a new window]

Abstract

An abstract is not available for this content so a preview has been provided. Please use the Get access link above for information on how to access this content.
Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'

Keywords

Meta-analysesmetacognitive trainingpsychosispsychotherapy
Type
Invited Commentary
Information
Psychological Medicine , Volume 46 , Issue 1 , January 2016 , pp. 59 - 61
Copyright
Copyright © Cambridge University Press 2015 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Aghotor, J, Pfueller, U, Moritz, S, Weisbrod, M, Roesch-Ely, D (2010). Metacognitive training for patients with schizophrenia (MCT): feasibility and preliminary evidence for its efficacy. Journal of Behavior Therapy and Experimental Psychiatry 41, 207–211.Google Scholar
Balzan, RP, Delfabbro, PH, Galletly, CA, Woodward, TS (2014). Metacognitive training for patients with schizophrenia: preliminary evidence for a targeted, single-module programme. Australian and New Zealand Journal of Psychiatry 48, 1126–1136.CrossRefGoogle ScholarPubMed
Eichner, C (2015). Can Metacognitive Training (MCT) Reduce Positive Symptoms and Delusions in Patients with Schizophrenia? A Meta-Analysis Taking into Account Important Moderators. University of Hamburg, Department of Psychology: Hamburg.Google Scholar
Erawati, E, Keliat, BA, Helena, N, Hamid, A (2014). The influence of metacognitive training on delusion severity and metacognitive ability in schizophrenia. Journal of Psychiatric and Mental Health Nursing 21, 841–847.CrossRefGoogle ScholarPubMed
Gawęda, Ł, Krężołek, M, Olbryś, J, Turska, A, Kokoszka, A (2015). Decreasing self-reported cognitive biases and increasing clinical insight through meta-cognitive training in patients with chronic schizophrenia. Journal of Behavior Therapy and Experimental Psychiatry 48, 98–104.Google Scholar
Higgins, JPT, Altman, DG (2008). Assessing risk of bias in included studies. In Cochrane Handbook for Systematic Reviews of Interventions, chapter 8 (ed. Higgins, J. and Green, S.), pp. 187–241. John Wiley and Sons: Chichester, UK.Google Scholar
Jiang, J, Zhang, L, Zhu, Z, Li, W, Li, C (2015). Metacognitive training for schizophrenia: a systematic review. Shanghai Archives of Psychiatry 27, 149–157.Google Scholar
Lam, KCK, Ho, CPS, Wa, JC, Chan, SMY, Yam, KKN, Yeung, OSF, Wong, WCH, Balzan, RP (2015). Metacognitive training (MCT) for schizophrenia improves cognitive insight: a randomized controlled trial in a Chinese sample with schizophrenia spectrum disorders. Behaviour Research and Therapy 64, 38–42.Google Scholar
Liberati, A, Altman, DG, Tetzlaff, J, Mulrow, C, Gøtzsche, PC, Ioannidis, JPA, Clarke, M, Devereaux, PJ, Kleijnen, J, Moher, D (2009). The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. PLoS Medicine 6, e1000100.Google Scholar
Moritz, S, Andreou, C, Schneider, BC, Wittekind, CE, Menon, M, Balzan, RP, Woodward, TS (2014). Sowing the seeds of doubt: a narrative review on metacognitive training in schizophrenia. Clinical Psychology Review 34, 358–366.Google Scholar
Moritz, S, Kerstan, A, Veckenstedt, R, Randjbar, S, Vitzthum, F, Schmidt, C, Heise, M, Woodward, TS (2011 a). Further evidence for the efficacy of a metacognitive group training in schizophrenia. Behaviour Research and Therapy 49, 151–157.CrossRefGoogle ScholarPubMed
Moritz, S, Veckenstedt, R, Randjbar, S, Vitzthum, F, Woodward, TS (2011 b). Antipsychotic treatment beyond antipsychotics: metacognitive intervention for schizophrenia patients improves delusional symptoms. Psychological Medicine 41, 1823–1832.Google Scholar
Reeves, BC, Deeks, JJ, Higgins, JPT, Wells, GA (2008). Including non-randomized studies. In Cochrane Handbook for Systematic Reviews of Interventions, chapter 13 (ed. Higgins, J. P. T. and Green, S.). John Wiley & Sons: Chichester, UK.Google Scholar
Rocha, NBF, Queirós, C (2013). Metacognitive and social cognition training (MSCT) in schizophrenia: a preliminary efficacy study. Schizophrenia Research 150, 64–68.Google Scholar
Shadish, WR (2011). Randomized controlled studies and alternative designs in outcome studies: challenges and opportunities. Research on Social Work Practice 21, 636–643.Google Scholar
So, SH-W, Chan, AP, Chong, CS-Y, Wong, MH-M, Lo, WT-L, Chung, DW-S, Chan, SS (2015). Metacognitive training for delusions (MCTd): effectiveness on data-gathering and belief flexibility in a Chinese sample. Frontiers in Psychology 6, 730.Google Scholar
van Oosterhout, B, Krabbendam, L, de Boer, K, Ferwerda, J, van der Helm, M, Stant, AD, van der Gaag, M (2014). Metacognitive group training for schizophrenia spectrum patients with delusions: a randomized controlled trial. Psychological Medicine 44, 3025–3035.Google Scholar
van Oosterhout, B, Smit, F, Krabbendam, L, Castelein, S, Staring, ABP, van der Gaag, M (2015). Metacognitive training for schizophrenia spectrum patients: a meta-analysis on outcome studies. Psychological Medicine. Published online 20 07 2015 . doi:10.1017/S0033291715001105.Google Scholar
Wykes, T, Steel, C, Everitt, B, Tarrier, N (2008). Cognitive behavior therapy for schizophrenia: effect sizes, clinical models, and methodological rigor. Schizophrenia Bulletin 34, 523–537.CrossRefGoogle ScholarPubMed