Respuesta :
Answer: the drug adderall is a stimulat
Explanation:Amphetamine and dextroamphetamine are central nervous system stimulants that affect chemicals in the brain and nerves that contribute to hyperactivity and impulse control. Adderall is used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.
Answer:
-There could be a placebo effect that was not measured
- There is no comparison group to determine if scores might have improved without the drug