From: Pharmacological Neuroenhancement: teachers’ knowledge and attitudes–Results from a survey study among teachers in Germany
Better grades by the use of PN substances
Yes
No
Over the counter substances
33.3 % (n = 23)
81.8 % (n = 108)
Prescription drugs
94.2 % (n = 65)
56.1 % (n = 74)
Illicit drugs
13 % (n = 9)
90 % (n = 120)