What are biological characteristics that humans possess that allow for language?
a. strong facial muscles, predatory eyes, and bilateral ears
b. vocal apparatus, a specialized brain, and genes
c. lungs with elasticity, a strong visual cortex, and a high need for social affiliation
d. a strong sense of smell, bipedal motion, and a strong temporal lobe
Answer: B
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Elsie's mail arrives at the same time every day. For two weeks, while Elsie was waiting for her tax refund, she kept looking out the window to see if the mail had arrived. Based on what is known about schedules of reinforcement, you should conclude that Elsie's behavior of "watching for the mail" was being reinforced based on a:
a. fixed-ratio schedule b. variable-ratio schedule c. fixed-interval schedule d. variable-interval schedule
Is treatment for drug addiction effective?
A. Only if the user wants it to work. B. Most studies do not show any effectiveness. C. Statistically, treatment does reduce crime and increase employment. D. Yes, more than half of those treated remain abstinent for more than a year.
It’s important to remember ______ in deciding when to add multiple groups.
A. the more groups, the better B. counterbalancing C. the principle of parsimony D. ex post facto studies
Which of the following is a powerful antidote to depression and helplessness and is found by many people through religion, nature, human companionship, and even technology?
a. hope b. intellectualization c. sublimation d. invincibility