The overestimation of the effect sizes of psychotherapies for depression in waitlist controlled trials: a meta-analytic comparison with usual care controlled trials

• Main Authors: Pim Cuijpers (Author), Clara Miguel (Author), Mathias Harrer (Author), Marketa Ciharova (Author), Eirini Karyotaki (Author)
• Format: Book
• Published: Cambridge University Press, 2024-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Aims There is considerable evidence that waiting list (WL) control groups overestimate the effect sizes of psychotherapies for depression. It is not clear, however, what are the exact causes for this overestimation. We decided to conduct a meta-analytic study to compare trials on psychother...