To illustrate the importance of random assignment, I would like you to imagine we did not use random assignment in our study of treatment for COVID-19.

Experiments begin with random assignment to conditions, which produces equivalent groups. One group is subjected to the changed conditions and the other isn't. The other two necessary components of ...

Random assignment ensures that observed differences between groups can be attributed to the drug rather than these other issues. Furthermore, the use of random assignment may have obviated the need ...

Purpose To examine stability versus change in parental understanding of random assignment in randomized clinical trials (RCTs) for pediatric leukemia and to identify factors associated with changes in ...

Why bother conducting experiments on treatments for COVID-19 (e.g., chloroquine) instead of relying on anecdotal evidence about their effectiveness? Random assignment is discussed.