Dr Lopez Designs a Clinical Trial: • Group a Will

Dr. Lopez designs a clinical trial: • Group A will receive a placebo
• Group B will receive Drug X-low dose
• Group C will receive Drug X-high dose
• Blood pressure will be measured four times for each participant
This is an example of what type of study design?

A) One-arm design: only one physiological parameter is measured
B) Two-arm design: there are two main groups (placebo vs. drug)
C) Three-arm design: there are three groups total (placebo, low dose, high dose)
D) Four-arm design: the physiological parameter is measured four times