4 ms·
Yeh. The paper claims to have controlled for this by comparing against kids in other groups, I suspect that might not be a very good control. E.g. if your daugh
by redcalx 10y ago
Yeh. The paper claims to have controlled for this by comparing against kids in other groups, I suspect that might not be a very good control. E.g. if your daughter went on to join a different type of group that she did fit in with better, then that's a very clear selection bias. If I'm understanding correctly their control assumes kids just randomly select a group then stick with it.
- cmrdporcupine 10y agowhat about kids who don't do _any_ group
- redcalx 10y agoIt looks like they weren't included in the study because the authors deemed that they were subject to selection bias (correctly in my view).
- cmrdporcupine 10y ago1. Define mental health in terms of adherence to the mean. 2. Find a group where adherence to the mean is mandatory in order to continue in the group. 3. Success, the group makes you mentally healthy!
- redcalx 10y agoConsider this; if those kids that would normally avoid scouts/guide were now forced to go because their parents saw reports of this study, then the effects could very well be negative, in turn cancelling out or even reversing the reported overall beneficial effects.