Laverne looks at the tongue of her friend and sees all kinds of bumps on her tongue. "Girl," she says, "you sure have a lot of __________."
a) olfactory receptors
b) taste buds
c) papillae
d) taste receptors
c Explanation: The "bumps" on the tongue that are visible to the eye are the papillae.
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An animal trainer is trying to teach a lion to perform tricks for the circus. First the lion is given food if he sits quietly on a chair. Next the lion is given food if he raises one paw. Finally the lion is given food if he gives the trainer a "high-five." In this example, the lion is being trained by ________________.
A) negative reinforcement B) generalization C) punishment D) shaping
An explanation for the finding that for every hour 8- to 16-month-old infants watched an educational DVD they understood 8 to 16 fewer words than infants who watched no DVDs is ______
a. infants who watch DVDs spend less time interacting with the people around them b. infants who watch DVDs spend more time interacting with the people around them c. infants who watched DVDs spend less time looking at books d. the parents of infants who watch DVDs do not emphasize language development