Where Is the Evidence for "Evidence-Based" Therapy?

Area of Science:

• Psychotherapy Research
• Clinical Psychology

Background:

• Evidence-based therapy is often equated with manualized treatments, particularly brief cognitive behavior therapy.
• These therapies are widely promoted as scientifically validated, superior to alternatives, and the benchmark for mental healthcare.

Purpose of the Study:

• To critically evaluate the scientific evidence supporting claims of efficacy and superiority for evidence-based therapies.
• To assess the long-term effectiveness and patient outcomes associated with manualized psychotherapies.

Main Methods:

• Systematic review and meta-analysis of existing research on manualized psychotherapies.
• Critical examination of research methodologies and reporting practices in psychotherapy outcome studies.

Main Results:

• Research findings do not substantiate claims of superiority for evidence-based therapies over other psychotherapy approaches.
• Evidence indicates that manualized therapies are often "weak treatments" with limited patient recovery rates.
• Observed treatment benefits are frequently not sustained over the long term.

Conclusions:

• The assertion that evidence-based therapies are scientifically proven and represent the gold standard of care is not supported by current research.
• Questionable research practices may contribute to an inflated perception of the benefits of these therapies.
• A re-evaluation of the efficacy and limitations of manualized treatments in psychotherapy is warranted.