Examlex
Describe the "new public service,and how it has evolved.
Placebo
A substance or treatment with no therapeutic effect, used as a control in testing the efficacy of another substance or treatment.
Clinical Researcher
A professional involved in conducting scientific studies to evaluate and improve healthcare interventions, diagnostics, and treatments.
Efficacy
The ability to produce a desired or intended result, often used in the context of medicine to describe the effectiveness of a treatment.
Longitudinal Study
An observational research method in which data is gathered for the same subjects repeatedly over a period of time.
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