Which of these animals’ sleep is characterized by putting one half of the brain to sleep while the other half remains awake?
a. elephants
b. primates
c. lizards
d. dolphins
Ans: D
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Which theory proposes that language acquisition follows the basic laws of reinforcement and conditioning?
A. nativist approach B. learning theory approach C. universal grammar D. infant-directed speech
Collins and colleagues (2001) found that, as a rough approximation, about ______ of 3,000 people diagnosed with HIV made positive health changes following the diagnosis, such as quitting smoking, increasing exercise, or improving one’s diet.
A. 25% B. 35% C. 50% D. 75%
In a normal distribution, the percentage of raw scores falling within one standard deviation of the mean equals
a. 34.11%. b. 95.44%. c. 99.74%. d. 68.26%.
Suppose you are in your kitchen writing a grocery list, while your roommate is watching TV in the next room. A commercial for spaghetti sauce comes on TV. Although you are not paying attention to the TV, you "suddenly" remember that you need to pick up spaghetti sauce and add it to the list. Your behavior is best predicted by which of the following models of attention?
a. Object-based b. Early selection c. Spotlight d. Late selection