Insel, Scanlan, Champoux, and Soumi (1988) raised one group…

Insel, Scanlan, Champoux, and Soumi (1988) raised one group of rhesus monkeys with the ability to control things in their environment and another group of monkeys who had no control of their environment (e.g., when they would receive treats and toys). When injected with a drug that produces a feeling of severe anxiety, the monkeys