The role of expectancies in the placebo effect and their use in the delivery of health care: a systematic review.
Health Technology AssessmentPublished 1 January 1999Open access
Rosemary Crow, Heather Gage, SE Hampson, Jo Hart, Alan Kimber, Hayley Thomas
Citations360
SJR quartileQ1
SJR score1.36
SNIP1.69
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Copyright Queen's Printer and Controller of HMSO 2001. HTA reports may be freely reproduced for the purposes of private research and study and may be included in professional journals provided that suitable acknowledgement is made and the reproduction is not associated with any form of advertising
Keywords
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The effectiveness of asthma educational programs on reducing school absences and health care utilization may be small and these programs are best directed toward children with moderate or severe disease.
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Initially, the Center for Pain Control designed and implemented multiple measures to indicate treatment efficacy in an outpatient setting, with greater emphasis on cost effectiveness at a primary success determinate.
American Journal of PsychiatryEffects of pill-giving on maintenance of placebo response in patients with chronic mild depression
54 Citations1990Judith G. Rabkin, Patrick J. McGrath +4 more
Fifty outpatients with mild, chronic, mood-reactive depression whose mood improved markedly after a 10-day single-blind placebo trial were randomly assigned in a double-blind design either to have their placebo medication discontinued or to have it maintained for an additional 6 weeks.
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54 Citations1991Kincheloe Je, Mealiea Wl +2 more
The results of this investigation reinforce the importance of psychological variables in the mediation of pain perceived during dental procedures.
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50 Citations1988Kristine Ho, islam abou hashish +3 more
Neither coping nor emotional state was affected by the treatments, but swelling was reduced by a placebo effect of ultrasound, and coping and emotional factors cannot, therefore, explain the effects of this psychological procedure on post-operative recovery.
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48 Citations1979Keith W. Jacobs, Frances M. Nordan
Results indicate that red and yellow placebos are classified as stimulants while blue placebos will be classified as depressants.
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48 Citations1981L. W. Buckalew, Sherman Ross
Major needs relative to more accurate conceptualization, appreciation, and effective use of properties were discussed, and failure to consider the differential stimuli of placebos was viewed as contributing to the potential unwitting confounding in studies.
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47 Citations1989Björn Olsson, Birgitta Olsson +1 more
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35 Citations1994L. D. Egbert, G. E. Battit +2 more
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34 Citations1987Edward B. Blanchard
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32 Citations1981A J MacDonald, N. R. Peden +4 more
Unexpectedly, suggestibility was not associated with healing or relief of symptoms in the patients receiving placebo, and the natural history of the disease may be different in these patients.
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31 Citations1992José Luís Medina
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28 Citations1984Linda E. Scott, Gretchen Clum
The results indicate that brief relaxation training, often the only kind available to the medical psychologist dealing with surgical patients, is best confined to patients with a sensitizing coping style, and that information imparting when presented alone as a viable technique for reducing the distress consequent on surgery.
Psychological ReportsNonspecific Factors in Drug Effects: Placebo Personality
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It was concluded that a trait model of responsivity to placebos was largely unsubstantiated and suggested that other nonspecific factors of drug effects may be more influential in reactions to placesbos.
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