Principles of RCTs, randomization and data collection.
You can watch the original videos at:
RCTs introduction
https://cdnapisec.kaltura.com/index.php/extwidget/openGraph/wid/1_jz2efhvj
RCTs further extended explanation
https://youtu.be/Wy7qpJeozec
Principles of randomization
https://cdnapisec.kaltura.com/index.php/extwidget/openGraph/wid/1_0z1t1xez
Data collection process
https://cdnapisec.kaltura.com/index.php/extwidget/openGraph/wid/1_121wdalp