When animals are unable to escape from an aversive situation, they show symptoms similar to

Omar and Patrick sell magazine subscriptions by telephone. Omar is paid $1.00 for every 5 calls he makes, while Patrick is paid $1.00 for every subscription he sells. Omar is paid on a _____ _____ schedule while Patrick is paid on a _____schedule

A) fixed ratio; variable ratio B) fixed ratio; fixed interval C) variable ratio; fixed ratio D) fixed ratio; variable interval

Disorders characterized by diminished pleasure and a low or depressed mood are known as ________ disorders

a. conversion b. somatic symptom c. depressive d. dissociative e. psychotic