Researcher: A drug works in mice; therefore it will help humans. Most important question?
- Has it been tested in humans?
- How many mice were used?
- What is the cost?
- Who funded it?
Show answer and solution
Correct answer: A. Has it been tested in humans?
1. Cross-species generalisation is the key risk; human trial answers it.
_Source: 501-GMAT-Questions Ch 2 Critical Reasoning_