Regarding animal communication, which of the following statements is FALSE?
a. In their natural habitat, apes and monkeys make only a few dozen distinct cries, which carry messages, such as "attack," "flee," or "food here.".
b. Animal communication lacks the productive quality of human language.
c. No other animals besides apes and monkeys have been able to be taught to communicate with word symbols.
d. The pygmy chimpanzee named Kanzi has the vocabulary and the ability to invent a simple grammar that are equal to those abilities shown by two-year old humans.
C
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Why do people feel lethargy and displeasure a few hours after taking cocaine or amphetamine? a. Prolonged electrical activity leads to short circuits in the brain
b. Neurons have a net loss of dopamine faster than they can replace it. c. Axons build up an excess of sodium ions faster than they can restore normal balance. d. Muscles build up excess levels of lactic acid.
One reason that most people do not easily solve the original (abstract) version of the Wason four-card problem is that they
a. ignore the falsification principle. b. are influenced by the atmosphere effect. c. confuse the ideas of validity and truth. d. incorrectly apply the permission schema.
If you do something contrary to your beliefs or attitudes, you will experience the MOST cognitive dissonance when the amount of reward or justification for your actions is
a. high. b. low. c. delayed. d. explained.
In the U.S. in 2007,
a. suicide was the cause of more deaths than homicide b. suicide was the cause of more deaths than HIV infection c. suicide was the cause of more deaths than those from homicide and HIV infection combined d. all of these e. none of these