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Joseph H. Campbell, BS; C. Peter Rosenbaum, MD

Arch Gen Psychiatry. 1967;16(3):364-368.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

HISTORICALLY, the concepts of the placebo and the placebo effect have been quite broad; only in recent decades have they been narrowed to become virtually synonymous with the administration of inert medications. Especially in the last three decades many investigators have sought to define the conditions under which the placebo effect operates; and several have sought to define the personality characteristics of persons prone to show the placebo effect. In this paper, we shall state some hypotheses which derive from their findings, and report an experiment in which they are tested.

For our experiment we shall use the historically broad definition of the placebo effect, stated by Shapiro to include the following:

Any therapeutic procedure (or component of any therapeutic procedure) which is given (1) deliberately to have an effect or (2) unknowingly and has an effect on a symptom, syndrome, disease, . . . [Full Text PDF of this Article]

Author Affiliations
Palo Alto, Calif

From the Department of Psychiatry, School of Medicine, Stanford University, Palo Alto, Calif.

Footnotes
Submitted for publication Aug 19, 1966.

Reprint requests to School of Medicine, Stanford University, Palo Alto, Calif 94304 (Dr. Rosenbaum).

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