The first Ph.D. recipient to apply psychological principles to advertising was ____.?

For which of the following potential treatments for Alzheimer's disease did research have to be discontinued due to dangerous side effects?

A. Memantine, which may regulate activity of the neurotransmitter glutamate B. ACh inhibitors that improve cognitive functioning C. Donepezil placebo inhibitors D. Vaccines that might clear away any accumulated plaques

Adolescents with high-quality friendships tend to be

A) liaisons. B) early maturers. C) more dependent than other adolescents. D) better adjusted emotionally.