5 ms·
If they were volunteers the study would have a very strong self selection bias and therefore not be scientific.
by root 15y ago
If they were volunteers the study would have a very strong self selection bias and therefore not be scientific.
- tzs 15y agoThat might be true for some studies, but the generalization is not correct. It depends on what is being studied.
- root 15y agoCare to give an example where a study with strong self selection bias is still scientific?
- tzs 15y agoNearly every drug test. E.g., the researchers ask for volunteers suffering from condition X. Those volunteers are then tested with a new drug. Why would you think the fact that the subjects are volunteers would affect this?