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Signal and Noise in Psychotherapy: The Role and Control of Non-specific Factors

  • Haim Omer (a1)

Four major categories of nonspecific or common factors are systematically analysed: relationship, expectancy, reorganising, and impact factors. The placebo control method should be discarded in psychotherapy research for two reasons: (a) sham treatment controls are unworkable because common factors in treatment are manifest only when real treatment is administered; and (b) the very events which were once thought of as ‘nonspecific’ noise are now recognised as active therapeutic factors common to many schools.

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Signal and Noise in Psychotherapy: The Role and Control of Non-specific Factors

  • Haim Omer (a1)
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