Nonspecific factors in psychological therapy

While much attention has been paid to the effectiveness of various brands of therapy there is a growing understanding that therapeutic change occurs due to a number of nonspecific factors that are not exclusive to any one approach.

Books

 * Miller,S.D. Duncan,B.L. &  Hubble,M.A. (1997).Escape from Babel: Toward a Unifying Language for Psychotherapy Practice.W W Norton, New York.ISBN 0393702197

Papers
Parloff MB (1986). Frank's "common elements" in psychotherapy: nonspecific factors and placebos.Am J Orthopsychiatry,56(4):521-30.
 * Oei T.P.S.; Shuttlewood G.J.(1996) Specific and nonspecific factors in psychotherapy: A case of cognitive therapy for depression. Clinical Psychology Review, Volume 16,2,83-103(21)
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