7 ms·
According to the abstract, the study was performed "under double-blind conditions" http://www.pnas.org/content/109/3/760.full http://www.pnas.org/content/109/3
by Fishkins 13y ago
According to the abstract, the study was performed "under double-blind conditions"
http://www.pnas.org/content/109/3/760.full http://www.pnas.org/content/109/3/760.full