Edward B. Fink, W. Braden and C. B. Qualls (1982), “Predicting
pharmacotherapy outcome by subjective response," Journal of
Clinical Psychiatry, 43, 272-275.
How effective will a drug be for a patient? One way to improve this
prediction is to ask the patient about the benefit of the drug after 24
hours of use. Patients' responses were related to clinical improvement
after 8 to 21 days in this experiment, which extends previous work. What
seems most surprising is that such predictive measures are not used