Basque PAU General Sciences Practice Questions - Basque Country PAU General Sciences Examination - UPV EHU (2o Bachillerato 2026) Exam

What is the primary purpose of conducting a double-blind clinical trial during medical drug testing?

To ensure all participants receive the therapeutic drug rather than an inert substance To eliminate observer bias and participant placebo effects simultaneously To allow researchers to modify the treatment protocol dynamically based on interim patient feedback To reduce the total number of subjects needed to establish statistical power

Correct Answer:

To eliminate observer bias and participant placebo effects simultaneously

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