________ demonstrated that electrical stimulation of the brain could be reinforcing

Ebbinghaus measured the rate of human learning by ____

a. ?counting associations that had already been formed b. ?using an a priori method c. ?looking at the relationship between a behavior and its consequence d. ?making it more objective e. ?counting the number of repetitions needed for one perfect reproduction of the material

Research on domestic violence indicates that being an abusive spouse is ____ to being an abusive parent, and that being a victim of child abuse is ____ to being an abusive parent in adulthood

a. related; related b. related; unrelated c. unrelated; related d. unrelated; unrelated