Development of the Stanford Expectations of Treatment Scale (SETS): A tool for measuring patient outcome expectancy in clinical trials

• Published in: Clinical trials (London, England) Vol. 9; no. 6; pp. 767 - 776
• Main Authors: Younger, Jarred, Gandhi, Vanisha, Hubbard, Emily, Mackey, Sean
• Format: Journal Article
• Language: English
• Published: London, England SAGE Publications 01.12.2012; Sage Publications Ltd
• Subjects: Adult; Aged; Attitude to Health; Clinical outcomes; Clinical trials; Clinical Trials as Topic - methods; Clinical Trials as Topic - psychology; Credibility; Data Interpretation, Statistical; Factor Analysis, Statistical; Female; Humans; Male; Middle Aged; Patients; Placebo Effect; Predictive Value of Tests; Psychometrics; Reproducibility of Results; Research Design; Research Subjects - psychology; Surveys and Questionnaires; Validity

Background A patient’s response to treatment may be influenced by the expectations that the patient has before initiating treatment. In the context of clinical trials, the influence of participant expectancy may blur the distinction between real and sham treatments, reducing statistical power to det...