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It's also possible that there's a co-factor: TV appeared about the same time as reliable birth control.
by dripton 15y ago
It's also possible that there's a co-factor: TV appeared about the same time as reliable birth control.
- gwern 15y agoReliable birth control penetrated each district or governmental sub-unit at the same time as the TV stations?
- dripton 15y agoPossibly. (Not necessarily at exactly the same time.) I read the study, and they did attempt to isolate this effect from others, but correlation is still not proof of causality.