The simplest single-case design is the

Minimal drug experimenters are

A) seriously troubled youth who express their unhappiness through antisocial acts. B) usually impulsive and disruptive in early childhood. C) usually psychologically healthy, sociable, curious young people. D) typically emotionally or socially immature in middle childhood.

Which of the following is true about sensory deprivation?

a. It can cause edginess and visual hallucinations. b. It is always unpleasant. c. It violates the principles of signal detection theory. d. It demonstrates that sensory stimuli are not necessary for our brain to function normally.