Adding something good as a consequence of a behavior is called _____ reinforcement.

Endorphins are similar in chemical structure to which drug?

a. Cocaine b. Amphetamines c. Caffeine d. Alcohol e. Heroin

The hypothalamus controls the __________.

A. hypnotic suggestibility ratio B. sleep-wake cycle C. frequency of nightmares D. growth hormones that occur during sleep

Briefly describe the three contemporary research findings of moral reasoning based on meta-analyses of the original work of Kohlberg and Gilligan

Please provide the best answer for the best statement.

Wilma's psychology instructor schedules tests every two weeks throughout the semester, but her sociology instructor has surprise quizzes throughout the semester. The psychology instructor is using a _________ schedule, and the sociology instructor is using a ____________ schedule.

a. fixed interval, variable interval b. variable interval, variable ratio c. fixed ratio, variable ratio d. variable ratio, fixed interval