In theory you would never test on humans directly. You would go through various order testing and slowly work your way up to a final verification on human subjects that has almost no chance of going wrong and that the worst possible outcome is that nothing happens.
alt Hacker News
In theory you would never test on humans directly. You would go through various order testing and slowly work your way up to a final verification on human subjects that has almost no chance of going wrong and that the worst possible outcome is that nothing happens.