A teacher is trying to decrease a child's screaming behavior. If the child does not scream for an entire 30-minute interval, the absence of screaming is reinforced with attention from the teacher. Which differential reinforcement procedure is the teacher using?
a. momentary DRO
b. full-session DRL
c. whole-interval DRO
d. DRA
c
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Most substances that have a reputation for enhancing sexual desire or performance work because
a. of chemicals in the substance that affect nerves in the penis or clitoris b. of chemicals in the substance that affect the brain c. of chemicals in the substance that affect blood flow d. of heightened expectations and the social situation
All of the following are examples of "third genders" or "third sexes," EXCEPT which of the
following? A) Hijra of India B) Kathoeys of Thailand C) Machismo of Mexico D) Berdache of Native Americans
Sperm counts have been increased by
A) a high fiber diet. B) surgical repair of the varicose veins in the scrotum. C) a steady cardio-vascular routine. D) All of the above
Which of these might be an example of a perceptual reasoning item on the Wechsler intelligence tests?
A. repeating a series of digits B. defining a word such as lunch C. adding a series of orally presented numbers D. using blocks to make a design like one shown in a picture