Meta-analysis squared—does it make sense?

The benefits of psychotherapy

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The efficacy of psychological, educational, and behavioral treatment: Confirmation from meta-analysis.

1993 • 1,602 citations

The Foundations of Psychoanalysis: A Philosophical Critique.

1987 • 500 citations

Systematic Reviews: Meta-analysis and its problems

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Theoretical Foundations of Behavior Therapy

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The outcome problem in psychotherapy: What have we learned?

1994 • 71 citations

Psychotherapy And Its Discontents

1992 • 30 citations