The resting potential of neurons
A. is always -70mV.
B. can range from -70 to -110mV.
C. can range from -40 to -80mV.
D. is always +40mV.
Answer: C
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Research indicates that when girls are exposed to unusually high levels of __________ prenatally, they are more likely to display stereotypical male behaviors.
A. cholesterol B. estrogen C. androgens D. toxins
Thurstone proposed that there were a few stable and independent mental abilities that he referred to as:
A. primary mental abilities. B. fluid mental abilities. C. general mental abilities. D. performance mental abilities. E. factoral mental abilities.
Tony's mother wants him to learn to play with other children. She begins by offering him a quarter whenever he plays with other children nearby, even if he plays by himself. Later she gives him a quarter only when he plays on the same playground equipment other children are playing on. Finally, she gives him a quarter only if he actually plays with the other children. Tony's mother is
demonstrating how to use A. classical conditioning. B. second order conditioning. C. shaping. D. stimulus generalization.
In a classic study on memory, the researcher showed people 2,560 photographs at a rate of one every ten seconds. Each person was then shown 280 pairs of photographs with each pair having an "old" picture (from the first set of photos) and a similar "new" image. The subjects could tell which photograph they had seen before in what percent of the paired photographs?
a. only 5 percent b. 15 to 25 percent c. 45 to 55 percent d. 85 to 95 percent