The great psychotherapy debate: the evidence for what makes psychotherapy work

History of medicine, methods, and psychotherapy : progress and omissions

The contextual model : psychotherapy as a socially situated healing practice

Contextual model versus medical model : choosing a progressive research programme

Absolute efficacy : the benefits of psychotherapy established by meta-analysis

Relative efficacy : the dodo bird still gets it

Therapist effects : an ignored but critical factor

General effects : surviving challenges and anticipating additional evidence

Specific effects : where are they?

Beyond the debate : implications of the research synthesis for theory, policy, and practice.