4 ms·
Controls are always essential in this type of research. Placebo effects abound. Maybe the people knew they were on an increased fat diet and so exercised more?
by joshgel 12y ago
Controls are always essential in this type of research. Placebo effects abound. Maybe the people knew they were on an increased fat diet and so exercised more?
- scholia 12y agoI'm all in favor of controls, in general. But how exactly would a control help in this specific case? How would it work?