3 ms·
The control group needs to be thinking they're doing something that works. If it's obvious they're in the control group, then it's no longer a control group.
by sbierwagen 7y ago
The control group needs to be thinking they're doing something that works. If it's obvious they're in the control group, then it's no longer a control group.
- traek 7y agoIt’s still a control, just not blinded to the participants (which, yes, can result in bias).