In which stage of sleep does short periods of extremely fast and somewhat higher energy sleep spindles occur?
A. Stage 1
B. Stage 2
C. Stage 3
D. Stage 4
Answer: B
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On which task might we expect the MOST individual differences?
A) typing among data entry professionals B) obeying traffic laws among experienced drivers C) the 100-meter freestyle among Olympian swimmers D) problem solving among university students
Stephen is a researcher who shows up at the laboratory on his skateboard in a dirty old t-shirt to meet his research participants. Which of the "six commandments of being a good researcher" does Stephen need to improve?
A) "being suave" B) "acting like an adult" C) "being honest" D) "being educated"
The minimum income guaranteed to Americans age 65 and older from Social Security is
A) more generous than those in most other Western nations. B) increasing substantially every year. C) below the poverty line. D) just above the poverty line.
Researchers who describe cognitive development as occurring in a series of qualitatively different stages believe change is __________
a) gradual b) quantitative c) discontinuous d) continuous